WO2006056213A2 - Information model of structures and processes, method of creating and changing such model, method of virtual machine operation - Google Patents
Information model of structures and processes, method of creating and changing such model, method of virtual machine operation Download PDFInfo
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- WO2006056213A2 WO2006056213A2 PCT/EA2005/000005 EA2005000005W WO2006056213A2 WO 2006056213 A2 WO2006056213 A2 WO 2006056213A2 EA 2005000005 W EA2005000005 W EA 2005000005W WO 2006056213 A2 WO2006056213 A2 WO 2006056213A2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
Definitions
- This invention generally relates to the field of information systems, meta- modeling, data processing and data warehousing. This invention can be applied to processing of structured and semistructured data and building information systems equipped with automatic data consistency support.
- Real world objects are generally described as entities linked by relations (see entity relation models). Entities and relations may have different types and properties. Besides describing static structures there is a demand in systems for building information models of dynamic structures and processes.
- OOA object-oriented approach
- First step is dividing data into data sets. Each set is associated with an Object.
- functionality is assign to each object, and relations between objects are set.
- the main idea is to decompose data and functionality into set of objects, where each object comprise part of data and functionality related to the data. Functionality an object implements (is responsible for) is divided into methods (or functions, or messages to which that the object can react to).
- Encapsulation hiding internal structure and internal functionality of objects, and providing public access only to the restricted set of methods and data fields
- inheritance usage of information and functionality encapsulated in one object by its child-objects
- multiple inheritance ability of an object inherit from set of objects
- polymorphism ability to encapsulate different functionality and data into objects of one type
- OOA support There are many resources of OOA support: first of all, these are programming languages (Smalltalk, C ++, Objective-C, CLOS, Python, Java, Ruby, OCaml) in which the concept of the object is taken out on a syntactical level.
- Object-Oriented (or post- relational) DB exist too (Oracle, PostgreSQL, Cache) which have high-level descriptions of entity information structures, and provide support of programming objects behavior.
- the behavior of objects can be described in the form of functions — an executable code for the DB Virtual machine, or for the processor.
- high-level OOA support systems including various OOA-languages source code analyzers and refactoring support facilities — a standard set of OOA-model large-scale modification.
- XML Extensible Markup Language
- XML data model XML data model
- the main advantage of XML is the standard way of representing information in the form of hierarchy of elements with different attributes. It is possible to describe any complex data in XML model, for example, table or weighted graph. But in XML model there is no means of describing elements semantics and information interpretation.
- XML is standard hierarchical data model that is used by IT- engineers for exporting/importing data.
- Another advantage of XML is textual format of XML-documents. It makes possible simple viewing and editing tree structure of the XML-documents and attributes of its elements.
- XML-documents can't contain description of the used model, and it is impossible to interpret attributes and elements values without DTD specification and corresponding program interpreting the XML-documents of that particular type.
- two independent bank systems developers have used XML for message passing between theii systems components and have decided to unite the systems.
- Specifications of XML-languages for messages in two banks may be greatly different, even if the contents of the messages have close semantics.
- XSL provides the ability to map elements from one XML-language to elements of another XML-language according to defined template.
- XSL - XSL-T XSL-Transformations
- XPointer which allow identifying an; fragment in XML documents
- XPath which allow addressing parts of XM! document.
- XSLT is the production programming language: XSLT virtual machine tries t find matches to translation templates in the document and apply corresponding translatio rules while it is possible.
- the translations rules give new elements with new attributes which can be calculated from attributes and elements of source document according t complex expressions (functions). These expressions are described not in XML-language.
- XSLT is interesting in that it has XML-syntax, i.e. the XSLT-document is th XML-document too, and it describes how to process XML-documents modification b means of production rules, and language of these rules is in fact production programmin language.
- XSLT has following disadvantages: it uses external languages and consequently, using XSLT programming language we cannot detect all th transformation logic of XSLT-documents and transform it (for example, logic, embedde * in expressions language).
- RDF and related technologies are also known; they are CWM, WAM, PVM - th solutions representing structure in the form of disordered set of tuples of length 3 [6, 7].
- RDF and OWL represent the information as pool of statements - triplet (tuples of length 3) of the form "Subject - Predicate - Object”.
- RDF model is the dat model, where all information is represented as set of tuples of length 3.
- Standard RD] semantics includes the interpretation of base concepts and their interactions, such a "type”, “class”, “subclass”, “attribute ", “list”, “attribute co-domain”, “attribute defmitiona domain”, etc. This way of representation allows describing both data, and metadata.
- OWl provides additional language elements used for model description. There are severa toolkits for operating information in RDF-model [10, 11, 12, 13, 14, 15, 16, 17, 18].
- RDF-model does not impose any restrictions on statements co-existence, and allow antinomies.
- RDF model can contain statements, which describe an element as class of itself.
- RDF-model does not allow to effectively describing the processes and information changes. It is also impossible to efficiently describe context-dependent Onthologies, structures with version support, and translation algorithms.
- DBMS data base management systems
- a statement added to statement base is checked for logical compatibility with statements existing in the base is accepted as a prototype of method of information model building.
- the set of rules is used for checking logical compatibility.
- This way of operation is realized in some DBMS with inference rules support (statement is added only it is inferred from existing statements) [19, 20, 21, 22, 23].
- the known DBMS are based on the models different from tuple data model.
- the other disadvantage is that logical rules are described in data model (format) different from tuple data model (tuple-format). This brings to that logic and data processing algorithms are not transparent (are not represented in the same way as data and require additional tools).
- PVM Trie mode of operation of Parallel Virtual Machine [24] representing sequence of operations performance with such primitives as: message, communication channel, process, group of processes is accepted.
- PVM gives the possibility of transparently realizing of the communications with other PVM copies driven on other processors and computers, using for this purpose the mechanism of messaging between PVM, united in a group.
- PVM function is the construction of the distributed computing systems and network exchange devices and providing of knowledge of message exchanging elements location.
- the strong aspect of the given computer is the group communication abstraction.
- the PVM weak aspect is the enough low messages level - the incoming messages in PVM do not subject to processing relative to their structure and consistency with messages available in a base. Therefore, the developers of PVM programs should take efforts on support of data structures receipt- transfer between PVM, driven on different processors.
- CWM Closed World Machine
- the problem solved by the invention is the problem of rapid development of adaptive information and modeling systems which
- each tuple has terms which act as Subject, Relation, Object, according to the invention, in that each tuple consists of at least, four terms, and four terms of tuple act as (Context, Subject, Relation, Object) or (Context,' Subject, Attribute, Value), where all terms, except Value terms, act as Subject in a tuple, and all terms acting as Subjects and Objects in tuples where a term, which is interpreted as instance of class is acting as Relation, are organized in a hierarchy by that Relation.
- each state is a subset of tuples
- the step to be applied to the state are defined by relation between the term denoted the state and the term denoted the step.
- transformation of tuples consists of analysis of each received tuple according to internal virtual machine rules and making decision:
- Fig. 1 The representation of RDF format statement in the form of the graph.
- Fig. 2 The representation of quadruplet in the form of the graph.
- Fig. 3 The objects hierarchy according to their relations.
- Fig. 4 The representation of possibility of relation determination between objects.
- Fig. 6 The Virtual Machine assembly.
- Fig. 7. The Virtual Machine message handler assembly.
- Fig. 8. The example: business processes in an organization.
- Fig. 9 The example: the description of changes in information model of organisation.
- the information processing represented in the form of statements, is done by the Virtual Machine.
- the Virtual Machine consists of Statement Buffer 1, connected by bidirectional link with Event Manager 2.
- the second Statement Buffer 1 output is connected with Event Comparator 3.
- the central block of the virtual machine is Rule Manager 4, providing control of message threads.
- Rule Cache 5 in the Virtual Machine consisting of several parallel blocks connected with Rule Multiplexor 6, switching rules through Rule Loader 7 in Rule Manager 4 entry.
- the computer also contains Condition Queue 8, Variable Grid 9, Condition Comparator 10 and Result Manager 11.
- the Tuple pool consists of incoming messages stack (Queiy Stack) 12, queues of outgoing messages (Result Queue) 13, message handler (Rule Engine) 14 and memory (Archive) 15.
- Function blocks are connected with each other by directed links with the help of which the messages in the form of tuples are transmitted from one block to another.
- the message cannot be transmitted by one block to another while the last stays in the blocked state.
- Incoming messages get in incoming message stack.
- the stack is connected with message handler.
- the message handler is connected with outgoing messages queue and with tuple pool 15.
- the quadruplet data model is the way of structures and processes information representation as tuple set consisting of four terminal objects (terms).
- a tuple (C, A, B, D) which terms are interpreted as (Context, Subject, Relation, Object) can be considered as the statement: "A object is in relation B with D object in C context”.
- the tuple (C, E, P, «value») which terms are interpreted as (Context, Subject, Attribute, Value) can be considered as the statement: "In context C the attribute P of object E gets «value»".
- the graphical quadruplet representation is shown in Fig.2.
- the quadruplet model is similar to natural language model:
- the basic axiom set includes definition of each term in hierarchy of the "Instance- of ' relation except for a term “None”, the description of the terms interpreted as relations: "Domain”, “Range”, “Has-Property”, “Includes”, and the description of a term “C”, used as a context.
- Contexts can be used multilanguage support. We will show, that statements in model can contain description of the same knowledge domain in different languages. We will use contexts "ru” and "en”, describe in these contexts translations to Russian and English language of object names (property "name").
- the context also allows describing logic and complex functions.
- the necessity of the fifth term in the statement can arise, when there is a necessity to track, for example, the time of quadruplet creation or to support the versionity of the described model.
- the term which can be designated as Time or the Version is added to each tuple (sentence) in quintuple models.
- the information presented in a tuple of five terms can be presented as three tuples of four terms. Under the similar scheme one tuple of 6 terms is represented in the form of three tuples of five terms. What tuple model (what length) is more effective, depends on average dimension of relations, which are used in model. If in a description each Context contains more than 3 quadruplets (that is each term used as Context can meet in statements in the Context place for more than 3 times) then it is reasonable to use quadruplet model and to set for each context "version" attribute, otherwise it is necessary to use tuples of size 5 (quintuple). The situation when there are a lot of contexts, each containing less than three statements, is uncommon. For this reason transition to quintuple model from quadruplet model is not effective from the point of view of the tuple base size.
- the additional term can play role of namespace. That allows storing the independent descriptions of various knowledge domains in one base. If any taxonomy is defined over knowledge domains, then it is possible to use its taxonomy items as the first several terms in the tuple.
- the kbowledge can be classified by 3 properties: corporation department (IT, Engineering, Human resources), the project, documentation section (structure of the project, bug tracking, support). First three terms can be values of these properties:
- the message handler 2 determines, what changes will be made in a tuple pool 15 as a result of new messages arrival to Input Query Stack 12, and what messages will be initialized and sent to Query Stack 12 for the further processing and what messages will be directed to Result Queue 13 of outgoing messages.
- the pool of tuples represents a storage of the tuple set.
- the pool consists of memory -15 for tuples storage and temporary linear address space for storage of call results.
- the pool supports three operations: addition (SET), deletion (UNSET) and tuple query (GET). Each of these three operations has attached tuple.
- First two operations use a tuple attached to a message, for its addition to a pool or its removal from a pool accordingly, and the third operation interprets transmitted tuple as a mask and sends all the tuples containing in a pool and matching the mask to the temporary linear address space of tuple pool. For the period of each operation execution, the pool is blocked.
- a subset of tuples in the pool represents the logical rules description.
- Queiy Stack 12 and Result Queue 13 are represented by tuple lists (an ordered tuples set).
- Query Stack 12 and Result Queue 13 support two operations: addition of a tuple (PUT) and extraction of a tuple (GET). Each tuple is added to the beginning of the list. And each tuple is extracted (withdrawn) from the end of Result Queue 13, and from the beginning of Query Stack 12.
- Query Stack 12 and Result Queue 13 have the fixed maximum list size; on its reaching they are blocked for addition operations.
- the Message Handler controls execution of rules stored. in Tuple Pool for each input tuple.
- the messages goes to Statement Buffer 1.
- the Statement Buffer 1 can be blocked by the signals from Event Manager 2, if the message handler at the present moment it is busy with processing messages. From Statement Buffer messages go to Comparator.
- Event Manager 2 defines the sequence of Rule Cache 5 units usage, and the moment of system start also gives a signal to rules loader (Rule Loader) 7 to load all rules from the tuple pool 15 into cache units 5.
- Rule Loader rules loader
- the rule manager (Rule Manager) 4 controls message paths and locks the conditions queue (Condition Queue) 8 or the rules loader (Rule Loader) 7 and defines where messages from Tuple Pool 15 should go.
- the block Variable Grid 9 stores the values of variables participating in a current processed rule.
- quadruplet model the logic described in the form of rules interpreted by the message handler and is stored alongside with the declarative information. These rales are represented by set of tuples in Tuple Pool 15 and the Rule Loader 7 loads them into caches of rules Rules Cache 1, Rules Cache 2, ...of Message Handler.
- the Virtual Machine simply adds all input tuples to the Tuple Pool 15. In order to activate Rule 1, the following tuple should be sent to the Virtual Machine input:
- Term "Activate” is used as Predicate for activation of different rules.
- rule deactivation the following tuple should be sent to Virtual Machine input:
- the software [27] is created on the basis of the invention, and can be used for:
- the invention provides the way of the information presentation, allowing creating adaptive information systems with the possibility of adaptation to dynamic changes in real world objects and processes. Besides, the invention allows integrating the data of different ' computer applications.
- the invention provides the way of building information system which have:
- 4SuiteTM an open-source platform for XML -and RDF processing, http://4suite.org.
- Notation 3 an alternative RDF syntax, http://www.w3.org/DesignIssues/Notation3.html.
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- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Application Number | Priority Date | Filing Date | Title |
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EA200401420A EA200401420A1 (en) | 2004-11-23 | 2004-11-23 | METHOD OF BUILDING THE INFORMATION MODEL OF THE SYSTEM |
EA200401420 | 2004-11-23 |
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WO2006056213A2 true WO2006056213A2 (en) | 2006-06-01 |
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PCT/EA2005/000005 WO2006056213A2 (en) | 2004-11-23 | 2005-11-03 | Information model of structures and processes, method of creating and changing such model, method of virtual machine operation |
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WO (1) | WO2006056213A2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013185076A3 (en) * | 2012-06-08 | 2014-01-30 | 24/7 Customer, Inc. | Business rules manager |
CN114117064A (en) * | 2021-11-09 | 2022-03-01 | 西南交通大学 | Knowledge dynamic evolution method based on multi-time granularity and application |
CN114465911A (en) * | 2022-02-10 | 2022-05-10 | 成都阿普奇科技股份有限公司 | Internet of things sensing equipment resource unified description method |
-
2004
- 2004-11-23 EA EA200401420A patent/EA200401420A1/en unknown
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2005
- 2005-11-03 WO PCT/EA2005/000005 patent/WO2006056213A2/en not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013185076A3 (en) * | 2012-06-08 | 2014-01-30 | 24/7 Customer, Inc. | Business rules manager |
US9330117B2 (en) | 2012-06-08 | 2016-05-03 | 24/7 Customer, Inc. | Business rules manager |
US9710495B2 (en) | 2012-06-08 | 2017-07-18 | 24/7 Customer, Inc. | Business rules manager |
CN114117064A (en) * | 2021-11-09 | 2022-03-01 | 西南交通大学 | Knowledge dynamic evolution method based on multi-time granularity and application |
CN114465911A (en) * | 2022-02-10 | 2022-05-10 | 成都阿普奇科技股份有限公司 | Internet of things sensing equipment resource unified description method |
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