5166 search results - page 928 / 1034 » Web Query Optimizer |
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
SIGIR
2011
ACM
12 years 12 months ago
2011
ACM
Inverted indexes are the most fundamental and widely used data structures in information retrieval. For each unique word occurring in a document collection, the inverted index sto...
SIGIR
2011
ACM
12 years 12 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...
WWW
2005
ACM
14 years 9 months ago
2005
ACM
While overall bandwidth in the internet has grown rapidly over the last few years, and an increasing number of clients enjoy broadband connectivity, many others still access the i...
ESWS
2009
Springer
14 years 3 months ago
2009
Springer
Despite serious research efforts, automatic ontology matching still suffers from severe problems with respect to the quality of matching results. Existing matching systems trade-of...