Token-templates and logic programs for intelligent web search

被引：8
|
作者：
Thomas, B [1 ]
机构：
[1] Univ Koblenz, Inst Informat, D-56075 Koblenz, Germany
来源：
JOURNAL OF INTELLIGENT INFORMATION SYSTEMS | 2000年 / 14卷 / 2-3期
关键词：
information extraction; template based wrappers; mediators; logic programming; theory reasoning; deductive web databases; softbots; logic robots;
D O I：
10.1023/A:1008792020665
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We present a general framework for the information extraction from web pages based on a special wrapper language, called token-templates. By using token-templates in conjunction with logic programs we are able to reason about web page contents, search and collect facts and derive new facts from various web pages. We give a formal definition for the semantics of logic programs extended by token-templates and define a general answer-complete calculus for these extended programs. These methods and techniques are used to build intelligent mediators and web information systems.
引用
收藏
页码：241 / 261
页数：21
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