390 search results - page 2 / 78 » Approximate Query Answering in Locally Closed Databases |
EDBT
2002
ACM
14 years 11 months ago
2002
ACM
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
VLDB
1999
ACM
14 years 3 months ago
1999
ACM
WWW
2009
ACM
14 years 11 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
ICDE
2009
IEEE
15 years 18 days ago
2009
IEEE
Abstract-- Privacy protection is a major concern when microdata needs to be released for ad hoc analyses. This has led to a lot of recent research in privacy goals and table anonym...
EDBT
2002
ACM
14 years 11 months ago
2002
ACM
Existing work on multiway spatial joins focuses on the retrieval of all exact solutions with no time limit for query processing. Depending on the query and data properties, however...