483 search results - page 75 / 97 » Evaluating Top-k Selection Queries |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Often scientists seek to search for articles on the Web related to a particular chemical. When a scientist searches for a chemical formula using a search engine today, she gets ar...
PEPM
2010
ACM
14 years 4 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
AP2PC
2003
Springer
14 years 26 days ago
2003
Springer
The objective of query optimizers is to select a good execution plan for a given query. In a distributed system, it is crucial for a query optimizer to have effective remote cost e...
CLEF
2009
Springer
13 years 5 months ago
2009
Springer
The ImageCLEF Photo Retrieval Task 2009 focused on image retrieval and diversity. A new collection was utilised in this task consisting of approximately half a million images with...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
To handle the overwhelming amount of information currently available, personalization systems allow users to specify the information that interests them through preferences. Most ...