CN105975520A - System and method for customizing flexibly configured individualized learning scheme - Google Patents
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Abstract
The invention provides a system and a method for customizing a flexibly configured individualized learning scheme. An SSM model library building module of the system carries out description by adopting an improved WSCL standard based on learning activities and a transfer sequence of relationships among the learning activities so as to obtain an SSM model library and builds a learning scheme digraph; a learning activity customizing module builds a learning activity tree based on the learning scheme digraph, provides the learning activity tree to a user for individualized selecting operation and generates an individualized learning activity view of the user; a learning data customizing module searches the SSM model library based on nodes selected from the individualized learning activity tree of the user so as to obtain an individualized learning data view; and a learning process customizing module obtains a learning process view based on the individualized learning activity view and the individualized learning data view and provides the learning process view to the user for individualized customizing operation so as to obtain an individualized learning process view of the user and a SSCM model library.
Description
Technical field
The invention belongs to many leases SaaS service technology field, the individualized learning scheme customization being specifically related to a kind of flexible configuration is
System and method for customizing thereof.
Background technology
Many leases SaaS applies (Software as a Service, software i.e. services) in the form of services business function is passed through generation
The lease of table different business demand consigns to all kinds of terminal use and uses, and is separated on hand from user by the proprietary rights of software application.
User need not buy software again, and changes into renting based on W to SaaS application service providereThe software application of b, and without holding
Load hardware/software infrastructure construction and the expenditure of maintenance.The service provider of many leases SaaS application can be provided by user's request and press
The software that need to apply, has the strongest motility, scalability and extensibility, and with on-demand service (Pay-as-You-GO)
Mode charge.The mode of this on-demand service improves user and uses the motility of software application, uses into having saved user
While Ben, by providing service to bring considerable income for SaaS application service provider for larger range of user.
Under many leases pattern, owing to SaaS application is that on-demand offer user is served by, if lease is not by the way of shared
Can the self-defined business demand meeting oneself, or SaaS provider do not provides enough SaaS extensibilities and configurability,
The use requirement to particular traffic requirements of the specific lease cannot be met.Therefore, individual cultivation based on lease demand, such as
In terms of the content of learning system learning and the personalized customization of order and specific service, traditional study application can only meet spy
Service that is fixed, that configured.When individualized learning scheme needs to adjust relational learning flow process, learning content,
When habit mode, learning data, tradition application can only could realize, by the planning again of Learning Scheme, the target readjusted.By
Between each activity belonging to learning style and content, logical relation is complicated, and the process readjusted is involved in the weight-normality of application
Draw, reopen and send out, it is therefore desirable to pay certain cost, reduce the efficiency of study application.Therefore, it is necessary first to invention one
Learning Scheme (including learning content, learning style, concrete Learning Service data and learning process) describes method flexibly, i.e.
Modeling method to Learning Scheme；Secondly, invention Learning Scheme personalized customization method on this basis, and develop a kind of flexible
The Learning Scheme Customization System of configuration.
Summary of the invention
For on-line study system deficiency in terms of individual cultivation study plan in prior art, the present invention proposes a kind of flexible
The individualized learning scheme custom-built system of configuration and method for customizing thereof, the method mainly has duality and lower coupling by invention
Learning Scheme tissue, description form and based on the mutual modeling method of antithesis, to support being adjusted flexibly of individualized learning scheme,
And use visual operation to simplify the personalized customization behavior of user.
The technical scheme is that
The individualized learning scheme custom-built system of a kind of flexible configuration, builds module, learning activity custom mold including SBM model library
Block, learning data customized module and learning process customized module；
Described SSM model library builds module, creates learning activity set for the learning activity provided according to education sector expert,
Create learning activity transition set according to the relation transfer sequence between each learning activity that education sector expert provides, study is lived
Dynamic set and learning activity transition set use the WSCL standard improved to be described, and are stored in number with XML document form
According in storehouse, obtain SSM model library, using each learning activity of learning activity set as the node of Learning Scheme directed graph, will learn
The transition rule of respectively transition and correspondence in habit activity transition set, as the limit of Learning Scheme directed graph, sets up Learning Scheme oriented
Figure, is stored in SSM model library in the form of an xml document；
Described learning activity set includes: the set of each learning activity；
Described learning activity includes: learning activity title, the data transfer types of learning activity, the data file of learning activity and
The self-defining data document of learning activity；
Described learning activity title includes: learned lesson, learning style and learning content；
Described learning activity transition set includes: each learning activity transition set, the described i.e. learning activity of learning activity transition it
Between relation transfer；
Described transition rule is the source learning activity transition jump condition rule to the target learning activity of transition of transition.
Described message data transmission type be learning activity accept message or send message transmission type, including first receive send afterwards,
First send receive afterwards, only receive, only send and sky mutual.
Described transition rule includes: force select rule, comprise dependent Rule, the rule regular, exclusive that coexists, preamble rule and
Adjacent rule.
Improve WSCL standard particularly as follows:
It is extended including to it: in learning activity, add the data literary composition of many group learning activity on the basis of WSCL standard defines
Shelves and the self-defining data document of learning activity, the source adding many group source learning activity transition rules and transition in transition rule is learned
Practise live traffic attribution rule；
Wherein, the extension of the data file of many group learning activity: by the Int in WSCLeractioN expands to have multiple input
Output learning activity business datum sets of documentation；
The extension of the self-defining data document of learning activity: by the way of increasing self-defined business datum document in SSM model
Support self-defined to individual business data of user；
The extension of many group sources learning activity transition rule: for the Int in WSCLeractioN extends the number organizing learning activity more
According to document, produce many when there is many data sets of documentation for source learning activity by the way of the learning activity condition of extension many groups source
The transition business rule constraint that XML document is carried out；
The extension of the source learning activity service attribute rule of transition: in individualized learning scheme customization procedure, add in transition
Add the constraint Boolean expression of certain data file data attribute in the source learning activity to transition, support that SSCM model describes
There is the transition rule of service attribute constraint.
Described learning activity customized module, for setting up learning activity tree according to the Learning Scheme directed graph in SSM model library, i.e.
Learning activity view, it is provided that carry out individualized selection operation to user, i.e. the node of learning activity view is selected；According to
The individualized selection operation that learning activity view is carried out by user, generates the individualized learning activity tree of this user, i.e. this user
Individualized learning active view；
Described learning data customized module, for according to the node searching SSM model library selected in user individual learning activity tree
In XML document, and data in the XML document of corresponding node are shown with the form of uml class figure, obtain learning data
View is supplied to user and carries out personalized customization operation, the selection i.e. carried out learning data view, revises or adds, by user
Personalized customization operation to learning data view shows with the form of uml class figure, obtains individuation data view；
Described learning process customized module, for according to described individualized learning active view and individuation data view, searches for SSM
The learning activity transition set of XML document corresponding in model library, by the transition rule between current Personalized learning activity with
The form of UML activity diagram shows, obtains learning process view, it is provided that carry out personalized customization operation to user, i.e. to having become
Move interpolation that the transition in the learning process view that rule constraint is lower carry out, revise or delete, and to User Defined transition rule
The interpolation then carried out, operates the personalized customization of learning process view according to user, shows with the form of UML activity diagram,
Obtain the personalized flowchart illustrative of this user, regard according to individualized learning active view, individuation data view and personalized flow process
Figure, generates the SSCM model of this user, and it is stored in data base with XML document form, obtain SSCM model
Storehouse.
Use the method for customizing of the individualized learning scheme custom-built system of flexible configuration, comprise the following steps:
Step 1: create learning activity set according to the learning activity that education sector expert provides, provide according to education sector expert
Each learning activity between relation transfer sequence create learning activity transition set, by learning activity set and learning activity transition
Set uses the WSCL standard improved to be described, and is stored in data base with XML document form, obtains SSM model
Storehouse；
Step 2: using each learning activity of learning activity set as the node of Learning Scheme directed graph, by learning activity transition collection
The transition rule of respectively transition and correspondence in conjunction, as the limit of Learning Scheme directed graph, sets up Learning Scheme directed graph, with XML
The form of document is stored in SSM model library；
Step 3: set up learning activity tree, i.e. learning activity view according to the Learning Scheme directed graph in SSM model library, it is provided that
Carry out individualized selection operation to user, i.e. the node of learning activity view is selected；
Step 3.1: the limit of traversal Learning Scheme directed graph, by limit identical with descendant node for pioneer's node in Learning Scheme directed graph
Delete；
Step 3.2: the limit of traversal Learning Scheme directed graph, if there are two limits in adjacent node, by descendant node in this adjacent node
Edge contract to pioneer's node；
Step 3.3: first node of Learning Scheme directed graph is set to the root node of learning activity tree, using root node as working as
Front nodal point；
Step 3.4: judge whether present node exists descendant node, the most then perform step 3.5, otherwise, perform step 3.7；
Step 3.5: whether the in-degree judging the descendant node of present node is 1, the most then live this descendant node as study
The child node of dynamic tree present node, performs step 3.8, otherwise, performs step 3.6；
Step 3.6: utilize backtracking algorithm to judge that present node sets out through whether all paths of descendant node can be traced back to currently
Node, if so, using this descendant node as the child node of learning activity tree present node, performs step 3.7, otherwise, after this
Continue the node neighbor node as learning activity tree present node, performs step 3.7；
Step 3.7: judge whether to there is also in Learning Scheme directed graph untreated node, the most then by Learning Scheme directed graph
In untreated node as present node, return step 3.4, otherwise, perform step 3.9；
Step 3.8: using the next descendant node of present node as present node, returns step 3.4；
Step 3.9: obtain learning activity tree, i.e. learning activity view, it is provided that carry out individualized selection operation to user.
Step 4: the individualized selection operation carried out learning activity view according to user, the individualized learning generating this user is lived
Dynamic tree, i.e. the individualized learning active view of this user；
Step 5: according to the XML document in the node searching SSM model library selected in user individual learning activity tree, and
Data in the XML document of corresponding node are shown with the form of uml class figure, obtains learning data view and be supplied to user and carry out
Personalized customization operates, and the selection that i.e. carries out learning data view, revises or adds；
Described according to the XML document in the node searching SSM model library selected in user individual learning activity tree, and by right
Answer data in the XML document of node to show with the form of uml class figure, obtain learning data view and be supplied to user and carry out individual character
Changing customization operations, detailed process is: with the same node point in Learning Scheme directed graph in traversal individualized learning activity tree, and will
In XML document in the data base that this node is corresponding, data division extracts, and shows with the form of uml class figure, is learned
Habit Data View is supplied to user and carries out personalized customization operation.
Step 6: the personalized customization of learning data view is operated by user and shows with the form of uml class figure, obtain personalization
Data View, and the customization result of this node corresponding data is stored in caching by user in individualized learning activity tree；
Step 7: according to already present individualized learning active view and individuation data view in caching, search for SSM model library
Learning activity transition set in the XML document of middle correspondence, by the transition rule between current Personalized learning activity with UML
The form of activity diagram shows, obtains learning process view, it is provided that carry out personalized customization operation to user, i.e. to having changed rule
Interpolation that the transition in learning process view under then retraining are carried out, revise or delete, and User Defined transition rule is entered
The interpolation of row；
Step 8: according to user, the personalized customization of learning process view is operated, show with the form of UML activity diagram, obtain
The personalized flowchart illustrative of this user；
Step 9: according to individualized learning active view, individuation data view and personalized flowchart illustrative, generate this user's
SSCM model, and it is stored in data base with XML document form, obtain SSCM model library.
Step 9.1: initialize personalized flowchart illustrative, obtain individualized learning activity tree and node number thereof；
Step 9.2: judge whether the present node in individualized learning activity tree exceeds the node number of individualized learning activity tree,
If so, step 9.10, otherwise, step 9.3 are performed；
Step 9.3: judge that the present node in individualized learning activity tree, whether in personalized flowchart illustrative, if so, performs step
Rapid 9.4, otherwise, in personalized flowchart illustrative, create this node, perform step 9.4；
Step 9.4: whether the present node searched in individualized learning activity tree in learning activity tree exists, and if so, performs step
Rapid 9.6, otherwise, perform step 9.5；
Step 9.5: abandon the present node in individualized learning activity tree, by present node adjacent in individualized learning activity tree
Node, as present node, returns step 9.3；
Step 9.6: search whether the destination node that in individualized learning activity tree, present node is corresponding exists in learning activity tree,
If so, perform step 9.8, otherwise, perform step 9.7；
Step 9.7: using the adjacent node of present node in individualized learning tree as destination node corresponding to present node, returns step
Rapid 9.6；
Step 9.8: judge destination node that in individualized learning activity tree, present node is corresponding whether in personalized flowchart illustrative,
If so, perform step 9.9, otherwise, in personalized flowchart illustrative, create this destination node, perform step 9.9；
Step 9.9: judge whether the movable transition rule in individualized learning activity tree is present in the XML literary composition of learning activity tree
In Dang, the most then the transition rule according to this activity in learning activity tree creates the change of this activity in personalized flowchart illustrative
Move rule, and XML document corresponding in corresponding individuation data view is stored in personalized flowchart illustrative, return step
9.7, otherwise, return step 9.2；
Step 9.10: obtain the personalized flowchart illustrative of this user, the SSCM model i.e. obtaining this user is supplied to user.
Beneficial effects of the present invention:
The present invention proposes individualized learning scheme custom-built system and the method for customizing thereof of a kind of flexible configuration, first, this system profit
The personalized customization behaviour to difference customization target is provided by the mode of multi-level view；Secondly, field Learning Scheme and individual character chemistry
The employing of habit scheme has the model to even summation interactivity and is respectively described；The antithesis interactivity utilizing SSM and SSCM model can
Enough personalized customization targets supporting user flexibly, it is also possible to meet the concordance of individualized learning arrangements process；Again,
Visual view operation makes that the customization procedure of user is simple, directly perceived, have guidance type.This invention is conducive to personalized customization
Process is more flexible, it is possible to provide (select from learning content (selection course), learning style (selecting how to learn), learning data
Book, video, courseware, exercise), the personalized customization of learning process (sequentially), there is visualized operation, it is ensured that configuration
Motility and concordance.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the individualized learning scheme custom-built system of flexible configuration in the specific embodiment of the invention；
Fig. 2 is that in the specific embodiment of the invention, SSCL describes linguistic structure；
Fig. 3 is by the Int in WSCL in the specific embodiment of the inventioneractioN expands to have multiple input and output study industry
The schematic diagram of business data file group；
Fig. 4 is to support in the specific embodiment of the invention to use by the way of increasing self-defined business datum document in SSM model
The family self-defining schematic diagram to individual business data；
Fig. 5 is to have for source learning activity by the way of the learning activity condition of extension many groups source in the specific embodiment of the invention
The schematic diagram of the transition business rule constraint that the many XML documents produced during many data sets of documentation are carried out；
Fig. 6 be flexible configuration in the specific embodiment of the invention individualized learning scheme custom-built system in model hierarchy chart；
Fig. 7 is the flow process of the method for customizing of the individualized learning scheme custom-built system of flexible configuration in the specific embodiment of the invention
Figure；
Fig. 8 is the flow chart setting up learning activity tree in the specific embodiment of the invention according to Learning Scheme directed graph；
Fig. 9 is in the specific embodiment of the invention: according to individualized learning active view, individuation data view and personalized stream
Journey view obtains the flow chart of SSCM model library.
Detailed description of the invention
Below in conjunction with the accompanying drawings the specific embodiment of the invention is described in detail.
The individualized learning scheme custom-built system of a kind of flexible configuration, as it is shown in figure 1, include that SSM model library builds module,
Habit activity customized module, learning data customized module and learning process customized module.
SSM model library builds module, creates learning activity set for the learning activity provided according to education sector expert, according to
Relation transfer sequence between each learning activity that education sector expert provides creates learning activity transition set, by learning activity collection
Close and learning activity transition set uses WSCL (the Web Service Conversation Lan improvedguagE) standard is described,
And be stored in data base with XML document form, obtain SSM model library, using each learning activity of learning activity set as
The node of Learning Scheme directed graph, has the transition rule of each transition in learning activity transition set and correspondence as Learning Scheme
To the limit of figure, set up Learning Scheme directed graph, be stored in the form of an xml document in SSM model library.
Learning activity set includes: the set of each learning activity；Learning activity includes: learning activity title, the number of learning activity
According to transmission type, the data file of learning activity and the self-defining data document of learning activity.
Learning activity title includes: learned lesson, learning style and learning content.
In present embodiment, the learning activity provided according to education sector expert creates the five-tuple of a learning activity model and represents
Learning activity set, learning activity set expression is AC={ac1, ac2, `, acn, wherein, aci=(learning activity Id learns
Habit activity name acName, the data transfer types acType of learning activity, data file group DocGroup of learning activity,
The self-defining data document C of learning activityustomizeDoc)。
Message data transmission type is that learning activity accepts message or sends the transmission type of message, sends afterwards, first including first receiving
Reception after transmission, only reception, only transmission and sky are mutual.
Data file group DocGroup of learning activity, can be specifically defined as two tuples DocGroup=(sets of documentation mark groupID,
Transmission type DType of data), the data file IN, the data file OUT} of transmission that DType={ receives.
The self-defining data document C of learning activityustomizeDocTwo tuples C can be specifically defined asustomizeDoc=(proper name
Claim mark Customize, document information TenantInfo), CustomizeDocCan be that the corresponding learning activity of empty expression does not exists
Self-defining data document.
Learning activity transition set includes: the set of each learning activity transition, between the described i.e. learning activity of learning activity transition
Relation shifts.
Transition rule is the source learning activity transition jump condition rule to the target learning activity of transition of transition.
In present embodiment, create a study according to the relation transfer sequence between each learning activity that education sector expert provides
Movable transition quadruple notation learning activity transition set, learning activity transition set expression is TS={ts1, ts2, `, tsn, its
In, tsi=(mark Id of transition, source learning activity title Sa of transitionc, target learning activity title Da of transitionc, transition
Regular collection Rule)。
Transition rule set RuleRepresent the source learning activity of transition and the activity command regular collection of the target learning activity of transition,
I.e. source activity these transition under some business rule can be set up, and transition rule set expression is
Rule={`le1, rule2, `, rulen}.Two tuples rule can be expressed as each transition rulei=
(SacConditon, PRule)。
Wherein, SacConditoN represents the condition of the source learning activity transition of transition, i.e. sentences according to the data file of source learning activity
Whether these transition fixed come into force, and this condition can be the logic of multiple activity data sets of documentation data XML documents in the learning activity of source
Relation, concrete form is the Boolean expression of certain specific IN or OUT data XML document in the learning activity condition of source.
PRuleRepresent transition rule, i.e. according to the Rule of judgment of certain attribute data values in the learning activity set of source to learning activity
Conversion carries out rule constraint, and concrete form is boolean's table of certain data attribute scope in the source learning activity condition data document changed
Reach formula.Work as SacConditoN and PRuleBeing true time, these transition are set up simultaneously.
Transition rule includes: force to select rule ARule`, comprise dependent Rule ARule cD, the rule that coexists ARule co、
Exclusive rule ARule eX, preamble rule ARule poWith Adjacent rule ARule ad。
In present embodiment, set up a total learning activity quadruple notation according to learning activity set and learning activity transition set
Total learning activity set=(learning activity set AC, initial active set acInitial, ending activity set acFinal, study
Movable transition set TS).
Initial active set acInitial is the integration of the source learning activity aggregates content of each transition, knot in learning activity transition set
Bundle active set acFinal is the integration of the target learning activity aggregates content of each transition in learning activity transition set.
Improve WSCL standard particularly as follows:
The WSCL language i.e. SSCL (Study Service Conversation Language, Learning Service conversational language) improved
Standard, SSCL language is by extension amendment WSCL (Web Service Conversation LanguagE) standard is multi-level to support
The customizable target described in Learning Scheme.
In present embodiment, in order to use WSCL to support the description of study customizing model, need on WSCL standard definition basis
On be extended including to it: in learning activity, add data file and the self-defining data of learning activity of many group learning activity
Document, adds the source learning activity service attribute rule of many group source learning activity transition rules and transition in transition rule, passes through
Uml class figure describes the WSCL language of the improvement after extension, i.e. SSCL language is as shown in Figure 2.
Wherein, the extension of the data file of many group learning activity: for possible in the individual business demand of SaaS many leases user
There is different lease and same operational action is had the situation of different business input/output business datums, by WSCL
InteractioN expands to have multiple input and output and pursues one's vocational study data file group, as shown in Figure 3.The number of the learning activity of extension
According to sets of documentation comprises concrete input data XMLscheMa document and output data XMLscheMa document, business datum
Sets of documentation utilizes label<EXDocumentGroup>to identify.User can be according to different in the personalized lease business customizing stage
Individualized learning data demand customizes one or more business datum sets of documentation, to realize individual business function.
The extension of the self-defining data document of learning activity: by the way of increasing self-defined business datum document in SSM model
Support self-defined to individual business data of tenant；
For Int in WSCLeractioThe business datum document that n is comprised can not meet the individual business demand data of tenant
Problem, in order to support the motility of customization, supports user by the way of increasing self-defined business datum document in SSM model
Self-defined to individual business data.As shown in Figure 4, self-defined business datum document passes through < EXCustomizeDocument>
Identify.The document includes that constant value is ' Customize' document title and lease identification information, the corresponding learning activity in lease side is then
Being represented by normal business datum sets of documentation, simply the title (groupID) of sets of documentation is default value ' Customize '.Work as user
When SSCM learning activity sends self-defining business datum document the most alternately to SSM, software provider is according to document group name
Claim ' Customize' can determine whether that the sets of documentation that this lease side is used is self-defined document, then according to lease identification information with mutual
Title can search for self-defined business datum document library dynamically, and by according to the XML searchedscheMa document and lease side
Carry out service interaction.
The extension of many group sources learning activity transition rule: for the Int in WSCLeractioN extends the number organizing learning activity more
According to document, this makes the mutual issuable result set in source multiple possible situation occur.When different user has customized different friendships
Mutually during data file, it is provided solely for the conditional judgment to single source interaction results and clearly can not express different lease, different study
The business rule description that business datum is personalized, has for source learning activity by the way of the learning activity condition of extension many groups sources
The transition business rule constraint that the many XML documents produced during many data sets of documentation are carried out, as it is shown in figure 5, the source of extension is mutual
Condition group utilizes label < EXRule> represent.
The extension of the source learning activity service attribute rule of transition: in individualized learning scheme customization procedure, add in transition
Add the constraint Boolean expression of certain data file data attribute in the source learning activity to transition, support that SSCM model describes
There is the transition rule of service attribute constraint.The transition service attribute rule of extension is represented by label<EXPropertyRule>,
Wherein containing type is the decision condition of Boolean typecondition。
Learning activity customized module, for setting up learning activity tree according to the Learning Scheme directed graph in SSM model library, i.e. learns
Active view, it is provided that carry out individualized selection operation to user, i.e. the node of learning activity view is selected；According to user
The individualized selection operation carrying out learning activity view, generates the individualized learning activity tree of this user, the i.e. individual character of this user
Chemistry practises active view.
In present embodiment, the individualized learning activity five-tuple of user represents that individualized learning active set=(lease identifies
TID, individualized learning active set AC ', individualized learning initial active acInitial ', individualized learning ending activity
acFinal ', individualized learning activity transition set TS ').
Individualized learning activity in the individualized learning activity five-tuple learning activity corresponding with total learning activity four-tuple has
Duality relation, identical including corresponding learning activity title, the message delivery type of corresponding learning activity is contrary, identical study
The data file transport-type of movable data file group is contrary.
Learning data customized module, for according in the node searching SSM model library selected in user individual learning activity tree
XML document, and data in the XML document of corresponding node are shown with the form of uml class figure, obtain learning data view
It is supplied to user and carries out personalized customization operation, the selection i.e. learning data view carried out, revise or add, by user to
The personalized customization operation practising Data View shows with the form of uml class figure, obtains individualized learning Data View；
Learning process customized module, for according to described individualized learning active view and individualized learning Data View, searches for SSM
The learning activity transition set of XML document corresponding in model library, by the transition rule between current Personalized learning activity with
The form of UML activity diagram shows, obtains learning process view, it is provided that carry out personalized customization operation to user, i.e. to having become
Move interpolation that the transition in the learning process view that rule constraint is lower carry out, revise or delete, and to User Defined transition rule
The interpolation then carried out, operates the personalized customization of learning process view according to user, shows with the form of UML activity diagram,
Obtain the individualized learning flowchart illustrative of this user, according to individualized learning active view, individualized learning Data View and individual character
Chemistry practises flowchart illustrative, generates the SSCM model (SaaS Study Customized Model learns self-definition model) of this user,
And it is stored in data base with XML document form, obtain SSCM model library.
In present embodiment, model hierarchy figure is as shown in Figure 6.It is characterized in SSCM model interior joint and SSM model saving
Point has the duality relation of message transfer mode, if the learning activity node of same names is first to receive to send out afterwards in SSM model
Send, must antithesis be first to send to receive afterwards in SSCM.
Use the method for customizing of the personalized learning system of flexible configuration, as it is shown in fig. 7, comprises following steps:
Step 1: create learning activity set according to the learning activity that education sector expert provides, provide according to education sector expert
Each learning activity between relation transfer sequence create learning activity transition set, by learning activity set and learning activity transition
Set uses the WSCL standard improved to be described, and is stored in data base with XML document form, obtains SSM model
Storehouse.
In present embodiment, the learning activity provided according to education sector expert creates the five-tuple of a learning activity model and represents
Learning activity set, learning activity set expression is AC={ac1, ac2, `, acn, wherein, aci=(learning activity Id learns
Habit activity name acName, the data transfer types acType of learning activity, data file group DocGroup of learning activity,
The self-defining data document C of learning activityustomizeDoc)。
Message data transmission type is that learning activity accepts message or sends the transmission type of message, sends afterwards, first including first receiving
Reception after transmission, only reception, only transmission and sky are mutual.
Data file group DocGroup of learning activity, can be specifically defined as two tuples DocGroup=(sets of documentation mark groupID,
Transmission type DType of data), the data file IN, the data file OUT} of transmission that DType={ receives.
The self-defining data document C of learning activityustomizeDocTwo tuples C can be specifically defined asustomizeDoc=(proper name
Claim mark Customize, document information TenantInfo), CustomizeDocCan be that the corresponding learning activity of empty expression does not exists
Self-defining data document.
Learning activity transition set includes: the set of each learning activity transition, between the described i.e. learning activity of learning activity transition
Relation shifts.
Transition rule is the source learning activity transition jump condition rule to the target learning activity of transition of transition.
In present embodiment, create a study according to the relation transfer sequence between each learning activity that education sector expert provides
Movable transition quadruple notation learning activity transition set, learning activity transition set expression is TS={ts1, ts2, `, tsn, its
In, tsi=(mark Id of transition, source learning activity title Sa of transitionc, target learning activity title Da of transitionc, transition
Regular collection Rule)。
Transition rule set RuleRepresent the source learning activity of transition and the activity command regular collection of the target learning activity of transition,
I.e. source activity these transition under some business rule can be set up, and transition rule set expression is
Rule={`le1, rule2, `, rulen}.Two tuples rule can be expressed as each transition rulei=
(SacConditon, PRule)。
Wherein, SacConditoN represents the condition of the source learning activity transition of transition, i.e. sentences according to the data file of source learning activity
Whether these transition fixed come into force, and this condition can be the logic of multiple activity data sets of documentation data XML documents in the learning activity of source
Relation, concrete form is the Boolean expression of certain specific IN or OUT data XML document in the learning activity condition of source.
PRuleRepresent transition rule, i.e. according to the Rule of judgment of certain attribute data values in the learning activity set of source to learning activity
Conversion carries out rule constraint, and concrete form is boolean's table of certain data attribute scope in the source learning activity condition data document changed
Reach formula.Work as SacConditoN and PRuleBeing true time, these transition are set up simultaneously.
Transition rule includes: force to select rule ARule`, comprise dependent Rule ARule cD, the rule that coexists ARule co、
Exclusive rule ARule eX, preamble rule ARule poWith Adjacent rule ARule ad。
In present embodiment, set up a total learning activity quadruple notation according to learning activity set and learning activity transition set
Total learning activity set=(learning activity set AC, initial active set acInitial, ending activity set acFinal, study
Movable transition set TS).
Initial active set acInitial is the integration of the source learning activity aggregates content of each transition, knot in learning activity transition set
Bundle active set acFinal is the integration of the target learning activity aggregates content of each transition in learning activity transition set.
Step 2: using each learning activity of learning activity set as the node of Learning Scheme directed graph, by learning activity transition collection
The transition rule of respectively transition and correspondence in conjunction, as the limit of Learning Scheme directed graph, sets up Learning Scheme directed graph, with XML
The form of document is stored in SSM model library.
Step 3: set up learning activity tree, i.e. learning activity view according to the Learning Scheme directed graph in SSM model library, it is provided that
Carry out individualized selection operation to user, i.e. the node of learning activity view is selected, as shown in Figure 8.
Step 3.1: the limit of traversal Learning Scheme directed graph, by limit identical with descendant node for pioneer's node in Learning Scheme directed graph
Delete.
Step 3.2: the limit of traversal Learning Scheme directed graph, if there are two limits in adjacent node, by descendant node in this adjacent node
Edge contract to pioneer's node.
Step 3.3: first node of Learning Scheme directed graph is set to the root node of learning activity tree, using root node as working as
Front nodal point.
Step 3.4: judge whether present node exists descendant node, the most then perform step 3.5, otherwise, perform step 3.7.
Step 3.5: whether the in-degree judging the descendant node of present node is 1, the most then live this descendant node as study
The child node of dynamic tree present node, performs step 3.8, otherwise, performs step 3.6.
Step 3.6: utilize backtracking algorithm to judge that present node sets out through whether all paths of descendant node can be traced back to currently
Node, if so, using this descendant node as the child node of learning activity tree present node, performs step 3.7, otherwise, after this
Continue the node neighbor node as learning activity tree present node, performs step 3.7.
Step 3.7: judge whether to there is also in Learning Scheme directed graph untreated node, the most then by Learning Scheme directed graph
In untreated node as present node, return step 3.4, otherwise, perform step 3.9.
Step 3.8: using the next descendant node of present node as present node, returns step 3.4.
Step 3.9: obtain learning activity tree, i.e. learning activity view, it is provided that carry out individualized selection operation to user.
Step 4: the individualized selection operation carried out learning activity view according to user, the individualized learning generating this user is lived
Dynamic tree, i.e. the individualized learning active view of this user.
Step 5: according to the XML document in the node searching SSM model library selected in user individual learning activity tree, and
Data in the XML document of corresponding node are shown with the form of uml class figure, obtains learning data view and be supplied to user and carry out
Personalized customization operates, and the selection that i.e. carries out learning data view, revises or adds；
In present embodiment, according to the XML literary composition in the node searching SSM model library selected in user individual learning activity tree
Shelves, and data in the XML document of corresponding node are shown with the form of uml class figure, obtain learning data view and be supplied to use
Family carries out personalized customization operation, and detailed process is: identical with Learning Scheme directed graph in traversal individualized learning activity tree
Node, and data division in the XML document in data base corresponding for this node is extracted, show with the form of uml class figure
Show, obtain learning data view and be supplied to user and carry out personalized customization operation.
Step 6: the personalized customization of learning data view is operated by user and shows with the form of uml class figure, obtain personalization
Learning data view, and the customization result of this node corresponding data is stored in caching by user in individualized learning activity tree；
Step 7: according to already present individualized learning active view and individualized learning Data View in caching, search for SSM mould
The learning activity transition set in XML document corresponding in type storehouse, by the transition rule between current Personalized learning activity with
The form of UML activity diagram shows, obtains learning process view, it is provided that carry out personalized customization operation to user, i.e. to having become
Move interpolation that the transition in the learning process view that rule constraint is lower carry out, revise or delete, and to User Defined transition rule
The interpolation then carried out；
Step 8: according to user, the personalized customization of learning process view is operated, show with the form of UML activity diagram, obtain
The individualized learning flowchart illustrative of this user；
Step 9: according to individualized learning active view, individualized learning Data View and individualized learning flowchart illustrative, generates
The SSCM model of this user, and it is stored in data base with XML document form, obtain SSCM model library, such as figure
Shown in 9.
Step 9.1: initialize individualized learning flowchart illustrative, obtains individualized learning activity tree and node number thereof；
Step 9.2: judge whether the present node in individualized learning activity tree exceeds the node number of individualized learning activity tree,
If so, step 9.10, otherwise, step 9.3 are performed；
Step 9.3: judge that the present node in individualized learning activity tree, whether in individualized learning flowchart illustrative, is if so, held
Row step 9.4, otherwise, creates this node in individualized learning flowchart illustrative, performs step 9.4；
Step 9.4: whether the present node searched in individualized learning activity tree in learning activity tree exists, and if so, performs step
Rapid 9.6, otherwise, perform step 9.5；
Step 9.5: abandon the present node in individualized learning activity tree, by present node adjacent in individualized learning activity tree
Node, as present node, returns step 9.3；
Step 9.6: search whether the destination node that in individualized learning activity tree, present node is corresponding exists in learning activity tree,
If so, perform step 9.8, otherwise, perform step 9.7；
Step 9.7: using the adjacent node of present node in individualized learning tree as destination node corresponding to present node, returns step
Rapid 9.6；
Step 9.8: judge that whether destination node that in individualized learning activity tree, present node is corresponding is at individualized learning flowchart illustrative
In, if so, perform step 9.9, otherwise, individualized learning flowchart illustrative creates this destination node, perform step 9.9；
Step 9.9: judge whether the movable transition rule in individualized learning activity tree is present in the XML literary composition of learning activity tree
In Dang, the most then in individualized learning flowchart illustrative, create this activity according to the transition rule of this activity in learning activity tree
Transition rule, and XML document corresponding in corresponding individualized learning Data View be stored in individualized learning flow process regard
Figure, returns step 9.7, otherwise, returns step 9.2；
Step 9.10: obtain the individualized learning flowchart illustrative of this user, the SSCM model i.e. obtaining this user is supplied to user.
Claims (9)
1. the individualized learning scheme custom-built system of a flexible configuration, it is characterised in that include SSM model library build module,
Learning activity customized module, learning data customized module and learning process customized module；
Described SSM model library builds module, creates learning activity set for the learning activity provided according to education sector expert,
Create learning activity transition set according to the relation transfer sequence between each learning activity that education sector expert provides, study is lived
Dynamic set and learning activity transition set use the WSCL standard improved to be described, and are stored in number with XML document form
According in storehouse, obtain SSM model library, using each learning activity of learning activity set as the node of Learning Scheme directed graph, will learn
The transition rule of respectively transition and correspondence in habit activity transition set, as the limit of Learning Scheme directed graph, sets up Learning Scheme oriented
Figure, is stored in SSM model library in the form of an xml document；
Described learning activity customized module, for setting up learning activity tree according to the Learning Scheme directed graph in SSM model library, i.e.
Learning activity view, it is provided that carry out individualized selection operation to user, i.e. the node of learning activity view is selected；According to
The individualized selection operation that learning activity view is carried out by user, generates the individualized learning activity tree of this user, i.e. this user
Individualized learning active view；
Described learning data customized module, for according to the node searching SSM model library selected in user individual learning activity tree
In XML document, and data in the XML document of corresponding node are shown with the form of uml class figure, obtain learning data
View is supplied to user and carries out personalized customization operation, the selection i.e. carried out learning data view, revises or adds, by user
Personalized customization operation to learning data view shows with the form of uml class figure, obtains individualized learning Data View；
Described learning process customized module, for according to described individualized learning active view and individualized learning Data View, searches
The learning activity transition set of XML document corresponding in rope SSM model library, by the transition between current Personalized learning activity
Rule shows with the form of UML activity diagram, obtains learning process view, it is provided that carry out personalized customization operation to user, i.e.
Interpolation that the transition in learning process view under retraining existing transition rule are carried out, revise or delete, and user is made by oneself
The interpolation that justice transition rule is carried out, operates, with the shape of UML activity diagram the personalized customization of learning process view according to user
Formula shows, obtains the individualized learning flowchart illustrative of this user, regards according to individualized learning active view, individualized learning data
Figure and individualized learning flowchart illustrative, generate the SSCM model of this user, and with XML document form, it be stored in data
In storehouse, obtain SSCM model library.
The individualized learning scheme custom-built system of flexible configuration the most according to claim 1, it is characterised in that described study
Active set includes: the set of each learning activity；
Described learning activity includes: learning activity title, the data transfer types of learning activity, the data file of learning activity and
The self-defining data document of learning activity；
Described learning activity title includes: learned lesson, learning style and learning content；
Described learning activity transition set includes: each learning activity transition set, the described i.e. learning activity of learning activity transition it
Between relation transfer；
Described transition rule is the source learning activity transition jump condition rule to the target learning activity of transition of transition.
The individualized learning scheme custom-built system of flexible configuration the most according to claim 1, it is characterised in that described message
Data transfer types be learning activity accept message or send message transmission type, including first receive sends afterwards, first transmission be followed by
Receipts, only reception, only transmission and sky are mutual.
The individualized learning scheme custom-built system of flexible configuration the most according to claim 1, it is characterised in that described transition
Rule includes: force to select rule, comprise dependent Rule, the rule regular, exclusive that coexists, preamble rule and Adjacent rule.
The individualized learning scheme custom-built system of flexible configuration the most according to claim 1, it is characterised in that described improvement
WSCL standard particularly as follows:
It is extended including to it: in learning activity, add the data literary composition of many group learning activity on the basis of WSCL standard defines
Shelves and the self-defining data document of learning activity, the source adding many group source learning activity transition rules and transition in transition rule is learned
Practise live traffic attribution rule；
Wherein, the extension of the data file of many group learning activity: the Interaction in WSCL is expanded to have multiple input
Output learning activity business datum sets of documentation；
The extension of the self-defining data document of learning activity: by the way of increasing self-defined business datum document in SSM model
Support self-defined to individual business data of user；
The extension of many group sources learning activity transition rule: extend the number organizing learning activity for the Interaction in WSCL more
According to document, produce many when there is many data sets of documentation for source learning activity by the way of the learning activity condition of extension many groups source
The transition business rule constraint that XML document is carried out；
The extension of the source learning activity service attribute rule of transition: in individualized learning scheme customization procedure, add in transition
Add the constraint Boolean expression of certain data file data attribute in the source learning activity to transition, support that SSCM model describes
There is the transition rule of service attribute constraint.
6. the method for customizing of the individualized learning scheme custom-built system of employing flexible configuration described in claim 1, it is characterised in that
Comprise the following steps:
Step 1: create learning activity set according to the learning activity that education sector expert provides, provide according to education sector expert
Each learning activity between relation transfer sequence create learning activity transition set, by learning activity set and learning activity transition
Set uses the WSCL standard improved to be described, and is stored in data base with XML document form, obtains SSM model
Storehouse；
Step 2: using each learning activity of learning activity set as the node of Learning Scheme directed graph, by learning activity transition collection
The transition rule of respectively transition and correspondence in conjunction, as the limit of Learning Scheme directed graph, sets up Learning Scheme directed graph, with XML
The form of document is stored in SSM model library；
Step 3: set up learning activity tree, i.e. learning activity view according to the Learning Scheme directed graph in SSM model library, it is provided that
Carry out individualized selection operation to user, i.e. the node of learning activity view is selected；
Step 4: the individualized selection operation carried out learning activity view according to user, the individualized learning generating this user is lived
Dynamic tree, i.e. the individualized learning active view of this user；
Step 5: according to the XML document in the node searching SSM model library selected in user individual learning activity tree, and
Data in the XML document of corresponding node are shown with the form of uml class figure, obtains learning data view and be supplied to user and carry out
Personalized customization operates, and the selection that i.e. carries out learning data view, revises or adds；
Step 6: the personalized customization of learning data view is operated by user and shows with the form of uml class figure, obtain personalization
Learning data view, and the customization result of this node corresponding data is stored in caching by user in individualized learning activity tree；
Step 7: according to already present individualized learning active view and individualized learning Data View in caching, search for SSM mould
The learning activity transition set in XML document corresponding in type storehouse, by the transition rule between current Personalized learning activity with
The form of UML activity diagram shows, obtains learning process view, it is provided that carry out personalized customization operation to user, i.e. to having become
Move interpolation that the transition in the learning process view that rule constraint is lower carry out, revise or delete, and to User Defined transition rule
The interpolation then carried out；
Step 8: according to user, the personalized customization of learning process view is operated, show with the form of UML activity diagram, obtain
The individualized learning flowchart illustrative of this user；
Step 9: according to individualized learning active view, individualized learning Data View and individualized learning flowchart illustrative, generates
The SSCM model of this user, and it is stored in data base with XML document form, obtain SSCM model library.
The individualized learning scheme method for customizing of flexible configuration the most according to claim 6, it is characterised in that described step
3, comprise the following steps:
Step 3.1: the limit of traversal Learning Scheme directed graph, by limit identical with descendant node for pioneer's node in Learning Scheme directed graph
Delete；
Step 3.2: the limit of traversal Learning Scheme directed graph, if there are two limits in adjacent node, by descendant node in this adjacent node
Edge contract to pioneer's node；
Step 3.3: first node of Learning Scheme directed graph is set to the root node of learning activity tree, using root node as working as
Front nodal point；
Step 3.4: judge whether present node exists descendant node, the most then perform step 3.5, otherwise, perform step 3.7；
Step 3.5: whether the in-degree judging the descendant node of present node is 1, the most then live this descendant node as study
The child node of dynamic tree present node, performs step 3.8, otherwise, performs step 3.6；
Step 3.6: utilize backtracking algorithm to judge that present node sets out through whether all paths of descendant node can be traced back to currently
Node, if so, using this descendant node as the child node of learning activity tree present node, performs step 3.7, otherwise, after this
Continue the node neighbor node as learning activity tree present node, performs step 3.7；
Step 3.7: judge whether to there is also in Learning Scheme directed graph untreated node, the most then by Learning Scheme directed graph
In untreated node as present node, return step 3.4, otherwise, perform step 3.9；
Step 3.8: using the next descendant node of present node as present node, returns step 3.4；
Step 3.9: obtain learning activity tree, i.e. learning activity view, it is provided that carry out individualized selection operation to user.
The individualized learning scheme method for customizing of flexible configuration the most according to claim 6, it is characterised in that described basis
XML document in the node searching SSM model library selected in user individual learning activity tree, and by the XML of corresponding node
In document, data show with the form of uml class figure, obtain learning data view and are supplied to user and carry out personalized customization operation,
Detailed process is: with the same node point in Learning Scheme directed graph in traversal individualized learning activity tree, and by corresponding for this node
In XML document in data base, data division extracts, and shows with the form of uml class figure, obtains learning data view and carries
Supply user carries out personalized customization operation.
The individualized learning scheme method for customizing of flexible configuration the most according to claim 6, it is characterised in that described step
9 comprise the following steps:
Step 9.1: initialize individualized learning flowchart illustrative, obtains individualized learning activity tree and node number thereof；
Step 9.2: judge whether the present node in individualized learning activity tree exceeds the node number of individualized learning activity tree,
If so, step 9.10, otherwise, step 9.3 are performed；
Step 9.3: judge that the present node in individualized learning activity tree, whether in individualized learning flowchart illustrative, is if so, held
Row step 9.4, otherwise, creates this node in individualized learning flowchart illustrative, performs step 9.4；
Step 9.4: whether the present node searched in individualized learning activity tree in learning activity tree exists, and if so, performs step
Rapid 9.6, otherwise, perform step 9.5；
Step 9.5: abandon the present node in individualized learning activity tree, by present node adjacent in individualized learning activity tree
Node, as present node, returns step 9.3；
Step 9.6: search whether the destination node that in individualized learning activity tree, present node is corresponding exists in learning activity tree,
If so, perform step 9.8, otherwise, perform step 9.7；
Step 9.7: using the adjacent node of present node in individualized learning tree as destination node corresponding to present node, returns step
Rapid 9.6；
Step 9.8: judge that whether destination node that in individualized learning activity tree, present node is corresponding is at individualized learning flowchart illustrative
In, if so, perform step 9.9, otherwise, individualized learning flowchart illustrative creates this destination node, perform step 9.9；
Step 9.9: judge whether the movable transition rule in individualized learning activity tree is present in the XML literary composition of learning activity tree
In Dang, the most then in individualized learning flowchart illustrative, create this activity according to the transition rule of this activity in learning activity tree
Transition rule, and XML document corresponding in corresponding individualized learning Data View be stored in individualized learning flow process regard
Figure, returns step 9.7, otherwise, returns step 9.2；
Step 9.10: obtain the individualized learning flowchart illustrative of this user, the SSCM model i.e. obtaining this user is supplied to user.
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|---|---|---|---|---|
| CN101155089A (en) * | 2006-09-29 | 2008-04-02 | 湖南大学 | Wireless multimedia real-time learning system and method |
| CN102822882A (en) * | 2010-01-15 | 2012-12-12 | 阿波洛集团公司 | Dynamically recommending learning content |
| CN105006181A (en) * | 2015-08-12 | 2015-10-28 | 李南方 | Customized learning device and method |
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| CN101155089A (en) * | 2006-09-29 | 2008-04-02 | 湖南大学 | Wireless multimedia real-time learning system and method |
| CN102822882A (en) * | 2010-01-15 | 2012-12-12 | 阿波洛集团公司 | Dynamically recommending learning content |
| CN105006181A (en) * | 2015-08-12 | 2015-10-28 | 李南方 | Customized learning device and method |
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| CN106991503A (en) * | 2017-05-04 | 2017-07-28 | 智业家（北京）科技发展有限公司 | A kind of intelligent method for customizing of the big data science popularization science and education scheme based on STEP |
| CN106991503B (en) * | 2017-05-04 | 2021-02-09 | 智业家（北京）科技发展有限公司 | Big data science popularization science and education scheme intelligent customization method based on STEP |
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