Sciweavers

166 search results - page 10 / 34
» Extending the Search Strategy in a Query Optimizer
Sort
View
SIGMOD
1998
ACM
143views Database» more  SIGMOD 1998»
13 years 11 months ago
Optimal Multi-Step k-Nearest Neighbor Search
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
Thomas Seidl, Hans-Peter Kriegel
CIKM
2008
Springer
13 years 9 months ago
A generative retrieval model for structured documents
Structured documents contain elements defined by the author(s) and annotations assigned by other people or processes. Structured documents pose challenges for probabilistic retrie...
Le Zhao, Jamie Callan
VLDB
1998
ACM
82views Database» more  VLDB 1998»
13 years 11 months ago
Reducing the Braking Distance of an SQL Query Engine
In a recent paper, we proposed adding a STOP AFTER clause to SQL to permit the cardinality of a query result to be explicitly limited by query writers and query tools. We demonstr...
Michael J. Carey, Donald Kossmann
WIOPT
2006
IEEE
14 years 1 months ago
Optimizing data replication for expanding ring-based queries in wireless sensor networks
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
Bhaskar Krishnamachari, Joon Ahn
CORR
1999
Springer
116views Education» more  CORR 1999»
13 years 7 months ago
Efficient and Extensible Algorithms for Multi Query Optimization
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a lot of common sub-expressions, either within a singl...
Prasan Roy, S. Seshadri, S. Sudarshan, Siddhesh Bh...