Sciweavers

2191 search results - page 104 / 439
» Query Processing in the ROL system
Sort
View
SEMWEB
2007
Springer
15 years 10 months ago
Ontology-Based Interpretation of Keywords for Semantic Search
Current information retrieval (IR) approaches do not formally capture the explicit meaning of a keyword query but provide a comfortable way for the user to specify information need...
Thanh Tran, Philipp Cimiano, Sebastian Rudolph, Ru...
JCDL
2006
ACM
71views Education» more  JCDL 2006»
15 years 10 months ago
Using controlled query generation to evaluate blind relevance feedback algorithms
Currently in document retrieval there are many algorithms each with different strengths and weakness. There is some difficulty, however, in evaluating the impact of the test quer...
Chris Jordan, Carolyn R. Watters, Qigang Gao
VLDB
2007
ACM
128views Database» more  VLDB 2007»
15 years 10 months ago
A genetic approach for random testing of database systems
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
Hardik Bati, Leo Giakoumakis, Steve Herbert, Aleks...
232
Voted
ICDE
2008
IEEE
147views Database» more  ICDE 2008»
16 years 5 months ago
Flow Algorithms for Parallel Query Optimization
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...
Amol Deshpande, Lisa Hellerstein
ASIAN
2005
Springer
96views Algorithms» more  ASIAN 2005»
15 years 10 months ago
Query Incentive Networks
The concurrent growth of on-line communities exhibiting large-scale social structure, and of large decentralized peer-to-peer file-sharing systems, has stimulated new interest in...
Prabhakar Raghavan