923 search results - page 127 / 185 » On a Declarative Semantics for Web Queries |
PPSWR
2005
Springer
14 years 2 months ago
2005
Springer
We present typing rules for the Web query language Xcerpt. The rules provide a descriptive type system: the typing of a program is an ation of its semantics. The rules can also be ...
ACMICEC
2006
ACM
14 years 3 months ago
2006
ACM
We present a browser-extending Semantic Web extraction system that maps HTML documents to tables and, where possible, to rules. First, the basic data extractor ViPER distills and ...
LREC
2008
13 years 10 months ago
2008
We present an approach to the discovery of semantically similar terms that utilizes a web search engine as both a source for generating related terms and a tool for estimating the...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Multiple-topic and varying-length of web pages are two negative factors significantly affecting the performance of web search. In this paper, we explore the use of page segmentati...