Sciweavers

1007 search results - page 95 / 202
» Worst-Case Optimal Algorithms for Parallel Query Processing
Sort
View
PODS
2006
ACM
196views Database» more  PODS 2006»
16 years 6 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
ATAL
2006
Springer
15 years 10 months ago
Integrating parallel interactions into cooperative search
In this paper we incorporate autonomous agents' capability to perform parallel interactions into the cooperative search model, resulting in a new method which outperforms the...
Efrat Manisterski, David Sarne, Sarit Kraus
SIGIR
2011
ACM
14 years 9 months ago
Faster top-k document retrieval using block-max indexes
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
Shuai Ding, Torsten Suel
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 6 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
IEEEPACT
1999
IEEE
15 years 10 months ago
Cameron: High level Language Compilation for Reconfigurable Systems
This paper presents the Cameron Project 1 , which aims to provide a high level, algorithmic language and optimizing compiler for the development of image processing applications o...
Jeffrey Hammes, Robert Rinker, A. P. Wim Böhm...