736 search results - page 112 / 148 » Answering Imprecise Queries over Web Databases |
PODS
2000
ACM
14 years 1 days ago
2000
ACM
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
ICDT
2005
ACM
14 years 1 months ago
2005
ACM
A common technique for improving performance for database query retrieval is to decluster the database among multiple disks so that retrievals can be parallelized. In this paper we...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
OGSA-DQP is a distributed query processor exposed to users as an Open Grid Services Architecture (OGSA)-compliant Grid service. This service supports the compilation and evaluation...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
SIGIR
1998
ACM
13 years 7 months ago
1998
ACM
Ranked queries are used to locate relevant documents in text databases. In a ranked query a list of terms is specified, then the documents that most closely match the query are re...