Sciweavers

2286 search results - page 34 / 458
» The Combination and Evaluation of Query Performance Predicti...
Sort
View
129
Voted
MM
2005
ACM
172views Multimedia» more  MM 2005»
15 years 9 months ago
Learning the semantics of multimedia queries and concepts from a small number of examples
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
Apostol Natsev, Milind R. Naphade, Jelena Tesic
PODS
1998
ACM
152views Database» more  PODS 1998»
15 years 8 months ago
A Cost Model for Similarity Queries in Metric Spaces
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
Paolo Ciaccia, Marco Patella, Pavel Zezula
151
Voted
HPDC
2009
IEEE
15 years 10 months ago
Trace-based evaluation of job runtime and queue wait time predictions in grids
Large-scale distributed computing systems such as grids are serving a growing number of scientists. These environments bring about not only the advantages of an economy of scale, ...
Omer Ozan Sonmez, Nezih Yigitbasi, Alexandru Iosup...
131
Voted
CIKM
2010
Springer
15 years 1 months ago
Utilizing re-finding for personalized information retrieval
Individuals often use search engines to return to web pages they have previously visited. This behaviour, called refinding, accounts for about 38% of all queries. While researcher...
Sarah K. Tyler, Jian Wang, Yi Zhang 0001
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
16 years 5 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...