CN103699540A - Establishment method for natural gas and pipe technical standard content extraction and display system - Google Patents
Establishment method for natural gas and pipe technical standard content extraction and display system Download PDFInfo
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- CN103699540A CN103699540A CN201210366594.9A CN201210366594A CN103699540A CN 103699540 A CN103699540 A CN 103699540A CN 201210366594 A CN201210366594 A CN 201210366594A CN 103699540 A CN103699540 A CN 103699540A
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- 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
- G06F16/21—Design, administration or maintenance of databases
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- G06V30/40—Document-oriented image-based pattern recognition
Abstract
The invention relates to an establishment method for a natural gas and pipe technical standard content extraction and display system and belongs to the technical field of digital data processing devices and pipe systems. The establishment method mainly comprises the steps of 1) using an OCR (Optical Character Recognition) tool to perform digital processing to the full text of natural gas and pipe standard literature to enable the standard literature to be digitalized; 2) establishing a natural gas and pipe standard ontology base, a style base and a bibliographic database; 3) establishing a natural gas and pipe standard content database; 4) developing a natural gas and pipe standard content extraction and display system platform for standard content extraction, display and comparison. The system which is established by adopting the establishment method provided by the invention can realize high-efficiency standard information retrieval from 'basic field information' to 'important technical indexes'.
Description
Technical field
The present invention is the method for building up of a kind of rock gas and the extraction of pipe technology standard content and display systems, relates to Digital Data Processing Equipment and piping system technical field.
Background technology
Development along with infotech and network technology, information sharing system is in industry-by-industry widespread use, every profession and trade work efficiency and convenience have greatly been improved, rock gas and pipeline industry are gone on along in industry prostatitis in informationization technology application aspect, along with further developing of business, technology, only provide document level other function such as retrieve, browse and can not meet user's demand, must carry out further excavation and service, to meet consumers' demand.At present conventional standard retrieval mode be that " elementary field information " is retrieved, and generally only can provide standard name, descriptor are retrieved, and can not realize the contrast to same technical indicator in the accurate location of technical indicator and retrieval, various criterion.Sum up, traditional retrieval mode has the limitation of following several respects to the result of use of technical standard.
(1) can not accurately retrieve technical standard content
Traditional database retrieval mode is, by means such as classification, title, summary and descriptors, normative document is carried out to the processing of questions record data, realizes the retrieval to technical standard and technical regulation.But technical indicator generally can be dispersed in different technologies standard and technical regulation, and traditional retrieval mode can only retrieve relevant criterion by bibliographic database, one by one the content of original read technical indicator.But such method is lost time very much, and be difficult to ensure recall ratio.
(2) can not retrieve the technical indicator of various criterion simultaneously, and realize the contrast of the same technical indicator of various criterion.
In retrieving; often there will be the technical indicator of identical product to exist in the standard that international standard, national standard, industry standard, provincial standard and company standard etc. are different simultaneously; user often need to carry out comparative study to the technical indicator of the like products in various criterion, and this is that traditional retrieval mode institute is unappeasable.
It is the recent development direction of Standard Information Searching that standard content extracts with display systems.This novel retrieval mode, by the system of standard technique index being extracted and effectively being organized, can be realized the efficient Standard Information Searching from " elementary field information " to " important technology index ".For the project management personnel, the enforcement personnel that are responsible for oil and gas pipes engineering construction, can realize and utilize key index to control pipe design and construction; For oil and gas pipes operation personnel, managerial personnel, can realize inquiry, contrast operation's parameter, method; For scientific research personnel, can realize the variance analysis of national and foreign standards key index, judgment technology difference, the harmony of each standard room in analysis system.
CN102591878A discloses the method for building up of a kind of technical standard contents extraction and display systems, < < oil planning and design > > the 22nd the 6th phase of volume in 2011 " rock gas and piping standards Development of Management Information System project study " discloses the development plan of a kind of rock gas and piping standards information management system, but this system only can be carried out standard full-text search, cannot realize extraction and the displaying of standard content, also unexposed rock gas and the piping standards ontology library set up also, style storehouse, the method of bibliographic database, its technology imperfection.
It is a kind of new standard retrieval technology that standard content extracts with display technique, has no the business database with this technological development at present abroad.At home, only have Chinese Industrial Standards (CIS) research institute that standard content is extracted with display technique Preliminary Applications in the national standard of food, agricultural product, industry standard, and built corresponding extraction and display systems platform, realize the extraction of standard content index and displaying.And rock gas and pipe technology standard content extract and the method for building up of display systems also imperfection.
Summary of the invention
The system that the object of the invention is to invent a kind of foundation can realize the rock gas of the efficient Standard Information Searching from " elementary field information " to " important technology index " and pipe technology standard content and extract the method for building up with display systems.
The present invention, as shown in the technology path of Fig. 1, mainly comprises the following steps:
(1) use optical character identification (OCR) instrument to carry out in full digitizing processing to rock gas and piping standards document, make normative document digitizing;
(2) set up rock gas and piping standards ontology library, style storehouse, bibliographic database;
(3) set up rock gas and piping standards content data base;
(4) development of natural gas and piping standards contents extraction and display systems platform, extract, show and contrast for standard content.
Concrete establishment step is:
(1) according to normative document digital standard, definite rock gas and piping standards are carried out after full-text digital, comprise that identification is examined and revised with quality to literature content simultaneously, standard can be edited, meet and extract and displaying demand;
(2) set up rock gas and piping standards ontology library, rock gas and piping standards bibliographic database, rock gas and piping standards style storehouse, these three databases be established as process arranged side by side, do not interfere with each other;
1. set up rock gas and piping standards ontology library: rock gas and piping standards Subject Concept are carried out to analytic induction, concept connotation for main body classification, according to the subordinate relation between the normalized objects of enumerating in the Query Result of professional knowledge and normative document, carry out Ontological concept analysis, define the concept system and the hierarchical relationship thereof that in standard, occur, set up rock gas and piping standards ontology library;
2. set up rock gas and pipeline style storehouse: rock gas and piping standards document are classified, conclude the structured message of standard; According to the normative document of same structure, carry out the analysis of normative document style, take out key concept and feature Terminology thereof wherein, set up style storehouse;
3. rock gas and piping standards bibliographic database: for rock gas and pipe technology standard, carry out the conclusion of standard technique index analysis, technical indicator system is carried out to terminology and conceptual relation research, carry out standardization and system construction and the index of technical indicator concept, carry out the index of normative document technical indicator, carry out classification and the sign of style element, Criterion technology index data storehouse, sets up the auxiliary data bases such as Liang Yu unit; Take the Chinese standard name in received text, English standard name, standard No., type, technical field technique direction, employing relation, replacement relation, by information such as replacement relation, citing document, standard state, project verification date, date issued, implementation date, confirmation date, significance level classification, specified administrative department, drafting unit, summary, Chinese descriptor, English key word, translation, remarks, texts, be basis, Criterion bibliographic database;
(3) set up rock gas and piping standards content data base
The same step of original standards system table (2) ontology library of setting up, bibliographic database, three, style storehouse database, form rock gas and piping standards content data base;
(4) development of natural gas and piping standards contents extraction and display systems platform, this system is except general searching system function, as functions such as basic searching function, management function, online feedback function, help function, but also should there is standard content index search function, standard index machining functions.
Described rock gas and piping standards ontology library build flow process as shown in Figure 2, for:
(1) determine field and the scope of body;
(2) Collection and analysis of realm information;
(3) concept determines; In the determining of concept, supplement synonym;
(4) set up body frame;
(5) body is self-defined integrated, comprises quoting of existing body, and new body is integrated;
(6) determine concept logic relation; Determine when concept logic is related to, be in conjunction with existing body;
(7) set up this complete body surface;
(8) confirm and evaluate;
(9) evolve; After evolving, participate in determining with (6) of (3) concept and determine concept logic relation;
(10) completing body sets up.
Described rock gas and piping standards ontology library build flow process and are specially:
(1) determine field and the scope of ontology library: the ontology library that clearly build is by the professional domain covering, object, effect and the application of body;
(2) Collection and analysis of realm information: fully understand this domain knowledge by collecting oil and gas pipeline realm information; Information source comprises expert, books, standard, network and other body;
(3) determining of concept: after fully understanding rock gas and pipeline domain knowledge, determine the relation between concept and concept in this field, express with accurate term, through domain expert's confirmation, as the Core Set of Concepts of domain body.The requirement that substantially should meet has:
1. definite concept and relation must be domain-specifics; The border in field is fuzzy often, need determine according to the actual requirements the concept that border comprises;
2. the term adopting is wanted accurately, and implication should have uniqueness;
3. to each term, there are corresponding natural language description and synonym to supplement;
(4) set up ontology library framework; For a large amount of concept in the field arranging in step (3), they are divided into groups according to certain logic rules, form different particular specialty fields, in the concept of same little career field, its correlativity should be more intense; In addition, to the importance of each concept wherein, to assess, select key term, abandon that those are unnecessary or exceed the concept of territory, the knowledge in the field that gives expression to of as far as possible accurately simplifying;
(5) ontology library is self-defined integrated; Create ontology library can be self-defined, can be also reusing of ontology library existing in field; While reusing ontology library, should be noted that and check meta-ontology storehouse, select with semanteme in own conceptual model with realize consistent term definition; The gordian technique wherein relating to is the mapping of body; For each integrated ontology library, should determine its meta-ontology storehouse, terminology, the description of formal ontology library and be integrated in the attributes such as position in own ontology library;
(6) determine concept logic relation; Main take professional knowledge with scientific classification as basis, according to the subject indexing method in taxonomy and classification, determine the logical relation of concept;
(7) set up complete ontology library; Rock gas and piping standards ontology library and normative document are effectively retrieved to a combination, thereby form the frame system of a domain knowledge, obtain the framed structure of field ontology library;
While setting up rock gas and pipeline body storehouse, body is divided should follow following primitive rule: a) the extension sum of each subitem should equal the extension of female; B) each subitem of dividing, its extension should be repelled mutually; C) each division should be undertaken by identity principle; D) divide should by level step by step, from high to low, go from the simple to the complex and carry out, should be combined with pipeline main business thickness in conjunction with rock gas; E) answer continuous updating to supplement;
The division of classification should be given prominence to main business with setting, by the larger classification of content relevance, should close on setting as far as possible; For some, without exclusive class, and the comprehensive basic standard with general directive significance can arrange separately respectively class according to content; The technical requirement lower floor classification of last layer time classification all will meet;
(8) confirm and evaluate: ontology library should have correctness, consistance, extensibility and validity;
(9) evolve: in use need ontology library to constantly update, the mode that ontology library is evolved can be integrated new ontology library or define new concept and relation;
(10) completing ontology library sets up.
Described rock gas and piping standards style storehouse establishment step as shown in Figure 3, for:
(1) standard professional classification;
(2) analyze every class standard style feature, and participate in evolving;
(3) refine style element; While refining style element, supplement synonym;
(4) set up Style and Structure table; Supplement synonym simultaneously;
(5) evolve, after evolution, again participate in analyzing every class standard style signature analysis;
(6) style storehouse has been set up.
Described rock gas and piping standards style storehouse are set up concrete grammar and are:
(1) existing rock gas and piping standards are distributed and carry out standard professional classification according to professional subject category;
(2) analyze every class standard style feature: analyze the style feature of same subject category standard, according to the structural similarity size of specialty characteristics and style, judge whether the standard of same subject category to be continued to be subdivided into inhomogeneity;
(3) refine style element: analyze the style feature of all standards in same class, extract the style element of every standard, the similar style element of merger various criterion in this type of, the title of each style element will have generality and versatility;
(4) set up Style and Structure table: for there being synon style element, should supplement the synonym of each style element certificate, increase user's access entry; Synon for not having, can directly set up Style and Structure table;
The principle that style is set up is: the one-level style element of each class standard will be contained all the elements of this class standard, guarantee the integrality of standard knowledge; Secondary, three grades and other grade of style element will have common point, for the standard that contains identical one-level style element, should all can extract the secondary under this one-level style element, three grades and other grade of style element;
(6) evolve to: the not tender physical element meeting the demands is re-started style signature analysis, refines style element, supplements synonym, sets up Style and Structure table;
(7) complete the foundation in style storehouse.
Described rock gas and pipeline content bibliographic database are set up and are comprised following steps:
(1) document subject that settles the standard;
(2) style of discrimination standard document ownership;
(3) standard style structure analysis;
(4) criteria for classifying content is individual entry;
(5) analysis of entry data and processing;
(6) tentatively complete Database;
(7) entry format and content check and correction are revised;
(8) completing bibliographic database sets up.
Described rock gas and pipeline content bibliographic database are set up detailed process as shown in Figure 4, for:
(1) document subject that settles the standard: have single main body and multi-threaded minute; If multi-threaded standard, can split into a plurality of single themes and process;
(2) discrimination standard document ownership style;
(3) standard style structure analysis, all can mate with this style all standards under this style completely;
(4) criteria for classifying entry: standard content is divided into a plurality of individual entry, makes each entry become a retrieval point;
(5) processing of entry data: all will carry out agent object, technical indicator, extraction and displaying class, measurement unit, content annotation and the careful analysis of quoting for each entry in standard;
Subject: the subject of refining entry is first class index; When entry is during without subject, using the subject of whole standard as first class index; And the synonym of subject and annotation are supplemented;
Technical indicator: by the subject attribute described in entry, as two-level index; And the synonym of technical indicator and annotation are supplemented;
Extract and show class: technical indicator is to segment and the refinement classification that forms according to particular category in entry, the classification of refinement is inserted and extracted and show in index intermediate item;
Measurement unit: the unit that can not identify for database, is described with language;
Content annotation:
Quote entry:
(6) calibration of entry format: complete the standard of entry processing, carry out the check and correction of form, content;
(7) complete the foundation of bibliographic database.
By above step, can complete natural gas line standard and extract and display data processing typing.
Beneficial effect of the present invention:
Standard content extracts the shortcoming that has mainly overcome traditional retrieval mode with display technique, has realized following three kinds of functions:
(1) can realize accurate location and the retrieval to technical indicator in standard content;
In result for retrieval, directly show desired standard retrieval content, and do not need user to read document in the whole text, searching needs information, thereby has improved recall precision;
(2) the standard body retrieval that technical indicator is relevant;
When search criteria, can, by upper login, when retrieving specific criteria technical indicator, also can retrieve other relevant criterion;
(3) contrast of same technical indicator in various criterion.
In retrieval, by the selection to " category " etc., can realize same technical indicator in the difference contrast of various criterion, thereby understand the regulation of various criterion to same technical indicator.
The system that the present invention sets up can realize the efficient Standard Information Searching from " elementary field information " to " important technology index ".
Accompanying drawing explanation
Fig. 1 rock gas and piping standards contents extraction and display systems Establishing process figure
Fig. 2 ontology library builds process flow diagram
Fig. 3 style storehouse builds process flow diagram
Fig. 4 rock gas and piping standards bibliographic database build process flow diagram
Embodiment
Embodiment. also the present invention is further illustrated with this example, the specific embodiment of the present invention to be described.This example is an experimental prototype, and it forms as shown in the figure.
This example mainly comprises the following steps:
Use OCR instrument to carry out in full digitizing processing to rock gas and piping standards document, normative document can be edited, meet and extract and displaying demand;
Set up oil and gas pipes standard ontology library;
Carry out normal structure analysis, set up oil and gas pipes data style storehouse;
Set up rock gas and piping standards bibliographic database;
Development of natural gas and piping standards extract and show soft ware platform;
Completing standard content extracts and display systems exploitation.
This routine diagram of system is as following table:
Table 1 body table sample example
Table 2 natural gas line operation class style table
This example is through on probation, and it can realize accurate location and retrieval to technical indicator in standard content; In result for retrieval, directly show in needed standard retrieval perhaps technical indicator, and do not need user to read document in the whole text, searching needs information, thereby has improved recall precision; Can realize the standard body retrieval that technical indicator is relevant; When search criteria, can, by upper login, when retrieving specific criteria technical indicator, also can retrieve other relevant criterion.
Claims (2)
1. rock gas and pipe technology standard content extract the method for building up with display systems, it is characterized in that it mainly comprises the following steps:
(1) use optical character identification (OCR) instrument to carry out in full digitizing processing to rock gas and piping standards document, make normative document digitizing;
(2) set up rock gas and piping standards ontology library, style storehouse, bibliographic database;
(3) set up rock gas and piping standards content data base;
(4) development of natural gas and piping standards contents extraction and display systems platform, extract, show and contrast for standard content.
2. rock gas according to claim 1 and pipe technology standard content extract the method for building up with display systems, it is characterized in that concrete establishment step is:
(1) according to normative document digital standard, definite rock gas and piping standards are carried out after full-text digital, comprise that identification is examined and revised with quality to literature content simultaneously, standard can be edited, meet and extract and displaying demand;
(2) set up rock gas and piping standards ontology library, rock gas and piping standards bibliographic database, rock gas and piping standards style storehouse, these three databases be established as process arranged side by side, do not interfere with each other;
1. set up rock gas and piping standards ontology library: rock gas and piping standards Subject Concept are carried out to analytic induction, concept connotation for main body classification, according to the subordinate relation between the normalized objects of enumerating in the Query Result of professional knowledge and normative document, carry out Ontological concept analysis, define the concept system and the hierarchical relationship thereof that in standard, occur, set up rock gas and piping standards ontology library;
2. set up rock gas and pipeline style storehouse: rock gas and piping standards document are classified, conclude the structured message of standard; According to the normative document of same structure, carry out the analysis of normative document style, take out key concept and feature Terminology thereof wherein, set up style storehouse;
3. rock gas and piping standards bibliographic database: for rock gas and pipe technology standard, carry out the conclusion of standard technique index analysis, technical indicator system is carried out to terminology and conceptual relation research, carry out standardization and system construction and the index of technical indicator concept, carry out the index of normative document technical indicator, carry out classification and the sign of style element, Criterion technology index data storehouse, sets up the auxiliary data bases such as Liang Yu unit; Take the Chinese standard name in received text, English standard name, standard No., type, technical field technique direction, employing relation, replacement relation, by information such as replacement relation, citing document, standard state, project verification date, date issued, implementation date, confirmation date, significance level classification, specified administrative department, drafting unit, summary, Chinese descriptor, English key word, translation, remarks, texts, be basis, Criterion bibliographic database;
(3) set up rock gas and piping standards content data base
The same step of original standards system table (2) ontology library of setting up, bibliographic database, three, style storehouse database, form rock gas and piping standards content data base;
(4) development of natural gas and piping standards contents extraction and display systems platform, this system is except general searching system function, as functions such as basic searching function, management function, online feedback function, help function, but also should there is standard content index search function, standard index machining functions.
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