2063 search results - page 142 / 413 » Containment of Aggregate Queries |
131
click to vote
WWW
2010
ACM
15 years 11 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
131
click to vote
CIKM
2010
Springer
15 years 3 months ago
2010
Springer
Traditional interactive information retrieval systems function by creating inverted lists, or term indexes. For every term in the vocabulary, a list is created that contains the d...
159
click to vote
WAIM
2010
Springer
15 years 2 months ago
2010
Springer
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
174
click to vote
WWW
2010
ACM
15 years 11 months ago
2010
ACM
Today the major web search engines answer queries by showing ten result snippets, which need to be inspected by users for identifying relevant results. In this paper we investigat...
163
click to vote
WISE
2007
Springer
15 years 10 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...