CN105809594B - Flexible knowledge point system construction method and system - Google Patents
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Abstract
The invention provides a flexible knowledge point system construction method, which comprises the following steps: s1, constructing a knowledge base point system, wherein the knowledge base points are used for recording the attributes of specific knowledge points; s2, constructing a knowledge node system, wherein the knowledge nodes are used for storing the classification relation of the knowledge node system; and S3, constructing a knowledge real point system, wherein the knowledge real point system is used for storing the incidence relation between the knowledge base point and the knowledge nodes. The invention also provides a flexible knowledge point system construction system.
Description
Technical Field
The invention relates to the technical field of education informatization, in particular to a flexible knowledge point system construction method and system.
Background
The education informatization software system cannot leave knowledge application, and knowledge points are a presentation form of knowledge. The application of the knowledge point system in the education informatization software is increasing. Different educational resources can be closely related by knowledge points. The achievement of the student can be deeply analyzed and diagnosed through the knowledge points.
Knowledge points are concrete incarnations of knowledge. A knowledge point describes a particular knowledge in a course. Knowledge points are sometimes also referred to as test points. For example, "area of circle calculation formula: s ═ pi r2"is a typical point of mathematical knowledge in elementary schools. Each knowledge point should contain several attributes such as knowledge point code, name, explanation, etc.
The knowledge point system is formed by storing a class of knowledge points according to a certain knowledge structure relationship. In computer software systems, knowledge point architectures are typically presented and provided for use in a multi-tiered tree structure. The knowledge point system should include two specific contents: the attribute of the knowledge point and the knowledge structure relationship of the knowledge point.
The knowledge point system has wide application requirements in education informatization software. Different educational resources can be associated through knowledge points. Through the knowledge point system, various education resources, test paper and test questions can be conveniently searched. If the knowledge points are applied to the examination, the examination scores of the students can be thinned to the level of the knowledge points, so that the analysis of the scores of the knowledge points is performed, and the scores are analyzed and diagnosed more deeply. Compared with the traditional examination score analysis, the method has more profound significance and effect.
At present, on-line education develops fire heat, and knowledge points and a knowledge point system are used in almost all on-line education software platforms. Therefore, a flexible knowledge point system construction method and a flexible knowledge point system management system are designed, and better knowledge service can be provided for users.
Problems existing in the traditional knowledge point system construction method
The knowledge point system should include two parts, firstly recording the attribute of each knowledge point, and then recording the knowledge structure relationship of the knowledge point. The traditional knowledge point system design method is that in a data storage structure, the knowledge point attributes are stored, and meanwhile, the knowledge structure relationship of the knowledge points is also stored. This design method has two technical problems:
1. if the application needs to establish a knowledge point system with two or more than two knowledge structure relations, for example, the knowledge point system needs to be established according to the rough to fine knowledge and the catalogue of the teaching materials, two data storage structures need to be established to store the knowledge points. The attribute of each knowledge point needs to be stored repeatedly, the condition of data inconsistency exists, the data quality is seriously influenced, the storage space is wasted, and the complexity of system management and manual operation is increased.
2. The same knowledge point can only belong to one knowledge structure classification. If a knowledge point needs to be simultaneously classified into two knowledge structure categories, the classification cannot be realized. For example, in the invention, a mathematical knowledge point of primary school "the inter-conversion between decimal and score" belongs to the knowledge structure classification of "decimal" or the knowledge structure classification of "score" in a general knowledge point system, but cannot belong to both classifications at the same time. Therefore, the user can find the knowledge point in the knowledge point system only under a certain knowledge structure classification. Therefore, the difficulty of searching knowledge points for the user is greatly increased, and the use of the knowledge points is inconvenient. Meanwhile, the comprehensiveness of knowledge coverage cannot be reflected, and the application of a knowledge point system is not facilitated.
Disclosure of Invention
In view of this, the present invention provides a flexible knowledge point system construction method and system.
A flexible knowledge point system construction method comprises the following steps:
s1, constructing a knowledge base point system, wherein the knowledge base points are used for recording the attributes of specific knowledge points;
s2, constructing a knowledge node system, wherein the knowledge nodes are used for storing knowledge structure relations in the knowledge node system;
and S3, constructing a knowledge real point system, wherein the knowledge real point system is used for storing the incidence relation between the knowledge base point and the knowledge nodes.
In the flexible knowledge point architecture construction method of the present invention,
the step S1 includes:
acquiring an instruction of adding a knowledge base point, automatically calling a knowledge base point code generation interface, and generating a new knowledge base point code; then, after acquiring the names, keywords and explained attribute values of the knowledge base points, storing the names, keywords and explained attribute values into a new knowledge base point;
and acquiring an instruction for modifying the knowledge base point, positioning the current knowledge base point according to the current knowledge base point code, and acquiring and storing the name, the keyword and the explained attribute value of the new knowledge base point.
In the flexible knowledge point architecture construction method of the present invention,
the attribute of the knowledge base point in the step S1 includes course information to which the knowledge base point belongs.
In the flexible knowledge point architecture construction method of the present invention,
the knowledge node system in the step S2 is a multi-layer tree data structure; the step S2 includes:
acquiring an instruction of adding a knowledge node, automatically calling a knowledge node code generation interface, and generating a new knowledge node code; then, after acquiring the name and the level of the knowledge node and the value of the coding of the knowledge node on the upper layer, storing the knowledge node into a new knowledge node;
and acquiring an instruction for modifying the knowledge node, positioning the current knowledge node according to the current knowledge node code, and acquiring and storing the name, the level and the value of the upper-layer knowledge node code of the new knowledge node.
In the flexible knowledge point architecture construction method of the present invention,
the knowledge real point system in the step S3 is a multi-layer tree data structure; the step S3 includes:
generating and displaying a knowledge node system of a multilayer tree data structure according to the data of the knowledge node system;
displaying knowledge base point data in an interface;
acquiring a command for associating a knowledge node with a knowledge base point, and storing the association relation in a knowledge point system database to complete the configuration operation of specific knowledge real point system data;
and acquiring a command for disassociating the knowledge node from the knowledge base point, and inquiring and deleting the data of the association relation from the knowledge point system database.
The invention also provides a flexible knowledge point system construction system, which comprises the following units:
the knowledge base point management module is used for constructing a knowledge base point system, and the knowledge base points are used for recording the attributes of specific knowledge points;
the knowledge node management module is used for constructing a knowledge node system, and the knowledge nodes are used for storing knowledge structure relations of the knowledge node system;
and the knowledge real point system configuration module is used for constructing a knowledge real point system, and the knowledge real point system is used for storing the incidence relation between the knowledge base point and the knowledge nodes.
In the flexible knowledge point architecture building system of the present invention,
the knowledge base point management module comprises:
acquiring an instruction of adding a knowledge base point, automatically calling a knowledge base point code generation interface, and generating a new knowledge base point code; then, after acquiring the names, keywords and explained attribute values of the knowledge base points, storing the names, keywords and explained attribute values into a new knowledge base point;
and acquiring an instruction for modifying the knowledge base point, positioning the current knowledge base point according to the current knowledge base point code, and acquiring and storing the name, the keyword and the explained attribute value of the new knowledge base point.
In the flexible knowledge point architecture building system of the present invention,
the attribute of the knowledge base point in the knowledge base point management module comprises course information to which the knowledge base point belongs.
In the flexible knowledge point architecture building system of the present invention,
the knowledge node system in the knowledge node management module is a multi-layer tree-shaped data structure; the knowledge node management module comprises:
acquiring an instruction of adding a knowledge node, automatically calling a knowledge node code generation interface, and generating a new knowledge node code; then, after acquiring the name and the level of the knowledge node and the value of the coding of the knowledge node on the upper layer, storing the knowledge node into a new knowledge node;
and acquiring an instruction for modifying the knowledge node, positioning the current knowledge node according to the current knowledge node code, and acquiring and storing the name, the level and the value of the upper-layer knowledge node code of the new knowledge node.
In the flexible knowledge point architecture building system of the present invention,
the knowledge real point system in the knowledge real point system configuration module is a multi-layer tree data structure; the knowledge real-point system configuration module comprises:
generating and displaying a knowledge node system of a multilayer tree data structure according to the data of the knowledge node system;
displaying knowledge base point data in an interface;
acquiring a command for associating a knowledge node with a knowledge base point, and storing the association relation in a knowledge point system database to complete the configuration operation of specific knowledge real point system data;
and acquiring a command for disassociating the knowledge node from the knowledge base point, and inquiring and deleting the data of the association relation from the knowledge point system database.
The flexible knowledge point system construction method and the flexible knowledge point system construction system provided by the invention have the following beneficial effects:
1. the knowledge point attribute and the knowledge structure relationship are designed separately, and a flexible knowledge point system construction method is realized.
In the method, the relation between the knowledge point attribute and the knowledge point is separately designed and stored. The knowledge base point system only records the attribute of the knowledge point. The knowledge node system records the knowledge structure relationship of the knowledge points. The knowledge base points and the knowledge nodes are associated to generate a knowledge real point system, and the knowledge real point system with practical significance can be provided for users. The user can obtain the attribute of the knowledge point and the knowledge structure relationship of the knowledge point through the knowledge real point system. The configured knowledge real point system can be used for inquiring, retrieving and displaying the knowledge point system, and is an efficient means for directly serving education informatization.
If the attribute of the knowledge point needs to be changed, maintenance is carried out in the knowledge base point system. And if the relation of the knowledge point system needs to be changed, editing the knowledge node system. The coupling degree between the knowledge point attribute and the knowledge point relation is reduced, and different knowledge point systems can be built more flexibly.
One knowledge base point hierarchy may be associated with multiple knowledge node hierarchies. For example, a knowledge node system can be established according to the relationship of the knowledge points from coarse to fine, or according to a catalogue system of teaching materials, so that the teaching materials of different versions can use the same knowledge base point system. The knowledge base point system is only one set, and various knowledge node systems can be flexibly associated to generate different knowledge real point systems to serve different application requirements.
2. One knowledge base point can be associated with a plurality of knowledge nodes.
In the method of the present invention, one knowledge base point may be associated with a plurality of knowledge nodes. Meaning that the required knowledge base points can be found by different knowledge nodes. For example, the "mutual change between fraction and fraction" can be found by the knowledge node of "fraction", or by the knowledge node of "fraction". The convenience degree of searching the knowledge points by the user is greatly improved.
3. And data consistency and data quality are guaranteed.
In the method, only one knowledge base point system is provided, and no matter how many knowledge real point systems exist, the attribute of the knowledge base point is unique, so that the consistency of data can be fully ensured. The attributes of the knowledge points used by the user are all the same, except for the way the knowledge base points are displayed.
Drawings
FIG. 1 is a flow diagram of a flexible knowledge point architecture construction method of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a knowledge base point system;
FIG. 3 is a schematic diagram of a knowledge node hierarchy;
FIG. 4 is a schematic diagram of a knowledge point hierarchy data store;
FIG. 5 is a point of knowledge system diagram;
FIG. 6 is a block diagram of a flexible knowledge point architecture building system of an embodiment of the present invention.
Detailed Description
As shown in fig. 1, a flexible knowledge point system construction method includes the following steps:
and S1, constructing a knowledge base point system, wherein the knowledge base points are used for recording the attributes of the specific knowledge points.
Optionally, the step S1 includes:
acquiring an instruction of adding a knowledge base point, automatically calling a knowledge base point code generation interface, and generating a new knowledge base point code; and then, after acquiring the names, the keywords and the explained attribute values of the knowledge base points, storing the names, the keywords and the explained attribute values into a new knowledge base point.
And acquiring an instruction for modifying the knowledge base point, positioning the current knowledge base point according to the current knowledge base point code, and acquiring and storing the name, the keyword and the explained attribute value of the new knowledge base point.
In the flexible knowledge point architecture construction method of the present invention,
the attribute of the knowledge base point in the step S1 includes course information to which the knowledge base point belongs. When the method is actually used, the attributes of the knowledge base points can be moderately increased, for example, the course information of the knowledge base points, the importance degree and difficulty of the knowledge base points and other attributes can be increased.
Alternatively, the knowledge base point system adopts a flattened design concept. In the knowledge base point system, only the attribute of each knowledge base point is recorded, and the relationship between the knowledge base points is not recorded. All knowledge base points are equal, and no upper and lower layers contain relations. For example, fig. 2, records the knowledge base points of a set of elementary school mathematical curriculums.
And S2, constructing a knowledge node system, wherein the knowledge nodes are used for storing the knowledge structure relationship of the knowledge node system.
Alternatively,
the knowledge node system in the step S2 is a multi-layer tree data structure; the step S2 includes:
acquiring an instruction of adding a knowledge node, automatically calling a knowledge node code generation interface, and generating a new knowledge node code; and then, after the names, the levels and the values of the codes of the knowledge nodes belonging to the upper layer are obtained, the names, the levels and the values are stored into a new knowledge node.
And acquiring an instruction for modifying the knowledge node, positioning the current knowledge node according to the current knowledge node code, and acquiring and storing the name, the level and the value of the upper-layer knowledge node code of the new knowledge node.
The knowledge node architecture is a multi-layer tree data structure. For example, to describe a relationship of knowledge from coarse to fine, knowledge nodes in a knowledge node hierarchy describe a classification of knowledge from coarse to fine. Because the classification has multiple layers, a knowledge structure relationship is finally formed.
For example, the set of elementary school mathematical knowledge nodes in fig. 3 describes a classification relationship of a set of knowledge from coarse to fine. The node of "understanding of the number" is subdivided with three nodes of "integer", "decimal" and "fraction". The four-side and round nodes are subdivided below the graph. Optionally, the invention can design different knowledge node systems according to different knowledge structure relationships.
And S3, constructing a knowledge real point system, wherein the knowledge real point system is used for storing the incidence relation between the knowledge base point and the knowledge nodes.
Alternatively,
the knowledge real point system in the step S3 is a multi-layer tree data structure; the step S3 includes:
and generating and displaying a knowledge node system of a multilayer tree data structure according to the data of the knowledge node system.
And displaying the knowledge base point data in the interface.
And acquiring an instruction for associating a knowledge node with a knowledge base point, and storing the association relationship into a knowledge point system database to complete the configuration operation of specific knowledge real point system data.
And acquiring a command for disassociating the knowledge node from the knowledge base point, and inquiring and deleting the data of the association relation from the knowledge point system database.
And associating each knowledge base point in the knowledge base point system with the knowledge nodes according to the knowledge structure relationship recorded in the knowledge node system to obtain a specific set of knowledge point system, namely a knowledge real point system.
The knowledge real point system embodies a multi-layer tree data structure. Wherein the leaf nodes are knowledge base points and the branch nodes are knowledge nodes.
The knowledge real point system only stores the incidence relation between the knowledge base point and the knowledge nodes. The knowledge real-point architecture data structure includes two values: knowledge base point coding and knowledge node coding. If the knowledge base points in fig. 2 and the knowledge nodes in fig. 3 are associated and stored into a knowledge real point system, the stored data result is as shown in fig. 4.
If the attribute of the knowledge point is to be adjusted, it should be maintained in the knowledge base point system. And if the knowledge structure relationship of the knowledge real point system is to be adjusted, the knowledge structure relationship is maintained in the knowledge node system.
The knowledge real point system can provide specific knowledge point services. The attribute of the knowledge point can be obtained through the knowledge base point coding stored in the knowledge real point system.
For example, according to the data of the point system of knowledge shown in fig. 4, a set of point system of mathematical knowledge of elementary school can be presented in practical use, as shown in fig. 5.
One knowledge base point can be associated with a plurality of different knowledge nodes in a knowledge real point system. For example, the basic point of knowledge "the inter-quantization of the decimal fraction and the score" in fig. 4 is hung under the "decimal fraction" of the knowledge node and under the "score" of the knowledge node. Since this knowledge base point can belong to both classes. The advantage of this is that when the user is looking for the base point of knowledge, the user can search through the "decimal" knowledge node, and can also find through the "fractional" knowledge node. The method provides great convenience for users to use the knowledge point system, and fully embodies the flexibility of the design of the knowledge point system.
The embodiment of the invention is a flexible knowledge point system construction method, and effectively solves the technical problems of knowledge point data consistency and efficient searching of knowledge point data. Meanwhile, the construction of a knowledge point system is simplified, the data storage space is reduced, and the complexity of system management and maintenance and manual operation of the knowledge point system is reduced. The embodiment of the invention improves the data quality of the knowledge point, improves the convenience and rapidness of searching the knowledge point data, can quickly and simply construct a knowledge point system, obtains good technical effect and does not belong to the category of intelligence activity rules.
As shown in fig. 6, an embodiment of the present invention further provides a flexible knowledge point architecture building system, which includes the following units:
and the knowledge base point management module 10 is used for constructing a knowledge base point system, and the knowledge base points are used for recording the attributes of specific knowledge points.
Alternatively,
the knowledge base point management module 10 includes:
acquiring an instruction of adding a knowledge base point, automatically calling a knowledge base point code generation interface, and generating a new knowledge base point code; and then, after acquiring the names, the keywords and the explained attribute values of the knowledge base points, storing the names, the keywords and the explained attribute values into a new knowledge base point.
And acquiring an instruction for modifying the knowledge base point, positioning the current knowledge base point according to the current knowledge base point code, and acquiring and storing the name, the keyword and the explained attribute value of the new knowledge base point.
Alternatively,
the attributes of the knowledge base points in the knowledge base point management module 10 include course information to which the knowledge base points belong.
And the knowledge node management module 20 is used for constructing a knowledge node system, and the knowledge nodes are used for storing the classification relation of the knowledge node system.
Alternatively,
the knowledge node system in the knowledge node management module 20 is a multi-layer tree data structure; the knowledge node management module 20 includes:
acquiring an instruction of adding a knowledge node, automatically calling a knowledge node code generation interface, and generating a new knowledge node code; and then, after the names, the levels and the values of the codes of the knowledge nodes belonging to the upper layer are obtained, the names, the levels and the values are stored into a new knowledge node.
And acquiring an instruction for modifying the knowledge node, positioning the current knowledge node according to the current knowledge node code, and acquiring and storing the name, the level and the value of the upper-layer knowledge node code of the new knowledge node.
And the knowledge real point system configuration module 30 is used for constructing a knowledge real point system, and the knowledge real point system is used for storing the association relationship between the knowledge base points and the knowledge nodes.
Alternatively,
the knowledge real point system in the knowledge real point system configuration module 30 is a multi-layer tree data structure; the knowledge real-point system configuration module 30 includes:
and generating and displaying a knowledge node system of a multilayer tree data structure according to the data of the knowledge node system.
And displaying the knowledge base point data in the interface.
And acquiring an instruction for associating a knowledge node with a knowledge base point, and storing the association relationship into a knowledge point system database to complete the configuration operation of specific knowledge real point system data.
And acquiring a command for disassociating the knowledge node from the knowledge base point, and inquiring and deleting the data of the association relation from the knowledge point system database.
The above system embodiments and method embodiments are in one-to-one correspondence, and therefore, extensions of the method embodiments may also be applied to the above system embodiments.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in random access memory, read only memory, electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
It is understood that various other changes and modifications may be made by those skilled in the art based on the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the claims of the present invention.
Claims (6)
1. A flexible knowledge point system construction method comprises the following steps:
s1, constructing a knowledge base point system, wherein the knowledge base points are used for recording the attributes of specific knowledge points, and the knowledge base point system only records the attributes of each knowledge base point and does not record the relationship between the knowledge base points;
s2, constructing a knowledge node system, wherein the knowledge nodes are used for storing the classification relation of the knowledge node system;
the knowledge node system in the step S2 is a multi-layer tree data structure; the step S2 includes:
acquiring an instruction of adding a knowledge node, automatically calling a knowledge node code generation interface, and generating a new knowledge node code; then, after acquiring the name and the level of the knowledge node and the value of the coding of the knowledge node on the upper layer, storing the knowledge node into a new knowledge node;
acquiring an instruction for modifying a knowledge node, positioning the current knowledge node according to the current knowledge node code, and acquiring and storing the name, the level and the value of the upper knowledge node code;
s3, constructing a knowledge real point system, wherein the knowledge real point system is used for only storing the incidence relation between a knowledge base point and a knowledge node, and the data structure of the knowledge real point system comprises two values: knowledge base point coding and knowledge node coding;
the knowledge real point system in the step S3 is a multi-layer tree data structure; the step S3 includes:
generating and displaying a knowledge node system of a multilayer tree data structure according to the data of the knowledge node system;
displaying knowledge base point data in an interface;
acquiring a command for associating a knowledge node with a knowledge base point, and storing the association relation in a knowledge point system database to complete the configuration operation of specific knowledge real point system data;
and acquiring a command for disassociating the knowledge node from the knowledge base point, and inquiring and deleting the data of the association relation from the knowledge point system database.
2. The flexible knowledge point architecture construction method of claim 1,
the step S1 includes:
acquiring an instruction of adding a knowledge base point, automatically calling a knowledge base point code generation interface, and generating a new knowledge base point code; then, after acquiring the names, keywords and explained attribute values of the knowledge base points, storing the names, keywords and explained attribute values into a new knowledge base point;
and acquiring an instruction for modifying the knowledge base point, positioning the current knowledge base point according to the current knowledge base point code, and acquiring and storing the name, the keyword and the explained attribute value of the new knowledge base point.
3. The flexible knowledge point architecture construction method of claim 2,
the attributes of the knowledge base point in step S1 further include course information to which the knowledge base point belongs.
4. A flexible knowledge point architecture construction system comprising the following elements:
the knowledge base point management module is used for constructing a knowledge base point system, the knowledge base points are used for recording the attributes of specific knowledge points, only the attribute of each knowledge base point is recorded in the knowledge base point system, and the relation between the knowledge base points is not recorded;
the knowledge node management module is used for constructing a knowledge node system, and the knowledge nodes are used for storing the classification relation of the knowledge node system;
the knowledge node system in the knowledge node management module is a multi-layer tree-shaped data structure; the knowledge node management module comprises:
acquiring an instruction of adding a knowledge node, automatically calling a knowledge node code generation interface, and generating a new knowledge node code; then, after acquiring the name and the level of the knowledge node and the value of the coding of the knowledge node on the upper layer, storing the knowledge node into a new knowledge node;
acquiring an instruction for modifying a knowledge node, positioning the current knowledge node according to the current knowledge node code, and acquiring and storing the name, the level and the value of the upper knowledge node code;
the knowledge real point system configuration module is used for constructing a knowledge real point system, the knowledge real point system is used for only storing the incidence relation between a knowledge base point and a knowledge node, and a data structure of the knowledge real point system comprises two values: knowledge base point coding and knowledge node coding;
the knowledge real point system in the knowledge real point system configuration module is a multi-layer tree data structure; the knowledge real-point system configuration module comprises:
generating and displaying a knowledge node system of a multilayer tree data structure according to the data of the knowledge node system;
displaying knowledge base point data in an interface;
acquiring a command for associating a knowledge node with a knowledge base point, and storing the association relation in a knowledge point system database to complete the configuration operation of specific knowledge real point system data;
and acquiring a command for disassociating the knowledge node from the knowledge base point, and inquiring and deleting the data of the association relation from the knowledge point system database.
5. The flexible knowledge point architecture building system of claim 4,
the knowledge base point management module comprises:
acquiring an instruction of adding a knowledge base point, automatically calling a knowledge base point code generation interface, and generating a new knowledge base point code; then, after acquiring the names, keywords and explained attribute values of the knowledge base points, storing the names, keywords and explained attribute values into a new knowledge base point;
and acquiring an instruction for modifying the knowledge base point, positioning the current knowledge base point according to the current knowledge base point code, and acquiring and storing the name, the keyword and the explained attribute value of the new knowledge base point.
6. The flexible knowledge point architecture building system of claim 5,
the attribute of the knowledge base point in the knowledge base point management module comprises course information to which the knowledge base point belongs.
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