|Table of Contents|

Research on the Analysis of Semantic Queries Based on Ontology(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2008年04期
Page:
63-67
Research Field:
Publishing date:

Info

Title:
Research on the Analysis of Semantic Queries Based on Ontology
Author(s):
Zheng Shiming1; Ren Zaian2; Song Zilin1; Shao Rongming3; Dai Rongrong4; Pan Mingcong5
1.Institute of Command Automation,PLA University of Science and Technology,Nanjing 211007,China;2.Reconnaissance Staff Room,Nanjing Artillery Academy of the PLA,Nanjing 211132,China3.Coast Defense Reconnaissance and Fire Staff Room,Shenyang Artillery Acad
Keywords:
onto logy;  analysis o f query;  sem antic;  in fo rm ation retr ieva l
PACS:
TP391.3
DOI:
-
Abstract:
Now search eng ines generally have the problem o f lower reca ll and prec is ion. Any sim ple query m ay return thousands o f resu lts fo r retrieva ,l but few o f resu lts re la tew ith the genuine requirem ent fo r the users. It is them ost part o f sem antic retrieval based on onto logy to dea lw ith the quer ies. A im ing at the shortage for ex isting m ethods in ana lysis o f query, this paper presents an a rithm eticw ith analysis of que ry which integrates the acceptation re lation and semantic corre lative analysis, proposes an arithm etic based on calcu lation o f s im ila rity, ana ly ses the acceptation charac teristic o f keyw ords and the acceptation co rre lative intensity be tw een ontology instances that users input into the sy stem, im proves the reca ll and prec is ion o f them app ing from keyw ords inputted by users to onto logy concept, ensures the sem antic coherence betw een query and retrieval language, and promo tes the satisfaction for que ry ing.

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Last Update: 2013-04-24