204 search results - page 30 / 41 » Containment of Conjunctive Queries with Negation: Algorithms... |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Although Web search engines have become information gateways to the Internet, for queries containing technical terms, search results often contain pages that are difficult to be ...
DOCENG
2006
ACM
14 years 1 months ago
2006
ACM
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
TKDE
2002
13 years 7 months ago
2002
As technological advances are made in software and hardware, the feasibility of accessing information "any time, anywhere" is becoming a reality. Furthermore, the diversi...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, we present a semi-supervised learning method for web page classification, leveraging click logs to augment training data by propagating class labels to unlabeled si...