586 search results - page 4 / 118 » Answering Multiple-Item Queries in Data Broadcast Systems |
ISCIS
2004
Springer
14 years 4 months ago
2004
Springer
One of the classic data mining problems is discovery of frequent itemsets. This problem particularly attracts database community as it resembles traditional database querying. In t...
AAAI
2010
14 years 9 days ago
2010
Conjunctive query answering is a key reasoning service for many ontology-based applications. In order to improve scalability, many Semantic Web query answering systems give up com...
TKDE
2010
13 years 5 months ago
2010
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
Queries in object-oriented datab;Lqcs are formulated against a class and retrieve instnnccls of the class sat,isfying a certain predicate on the att,riblltes of the class. The pre...
WAIM
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. The heterogeneity nature of XML data creates the need for approximate query answering. In this paper, we present an XML system that cooperates with users to provide user-...