726 search results - page 59 / 146 » Extended Query Answering Using Integrity Rules |
PVLDB
2010
13 years 7 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Integration systems typically support only a restricted set of queries over the schema they export. The reason is that the participating information sources contribute limited con...
SEMWEB
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. We introduce a framework, based on logic programming, for preferential reasoning with agents on the Semantic Web. Initially, we encode the knowledge of an agent as a logi...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
ACSC
2008
IEEE
14 years 3 months ago
2008
IEEE
Recent research initiatives have addressed the need for improved performance of Web page prediction accuracy that would profit many applications, ebusiness in particular. Differ...