522 search results - page 78 / 105 » Answering Aggregation Queries in a Secure System Model |
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Keyword search is a proven, user-friendly way to query HTML documents in the World Wide Web. We propose keyword search in XML documents, modeled as labeled trees, and describe cor...
LCPC
2005
Springer
14 years 1 months ago
2005
Springer
With the growing popularity of streaming data model, processing queries over streaming data has become an important topic. Streaming data has received attention in a number of comm...
SIGIR
2003
ACM
14 years 26 days ago
2003
ACM
Distributed search systems are an emerging phenomenon in Web search, in which independent topic-speciļ¬c search engines provide search services, and metasearchers distribute userā...
NLDB
2007
Springer
14 years 1 months ago
2007
Springer
Most of Information Retrieval (IR) systems are still based on bag of word paradigm. This is a strong limitation if one needs high precision answers. For example, in restricted doma...