410 search results - page 73 / 82 » The case for a versatile storage system |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
Familiar evaluation methodologies for information retrieval (IR) are not well suited to the task of comparing systems in many real settings. These systems and evaluation methods m...
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
This paper presents the participation of University of Alicante at the WiQA pilot task organized as part of the CLEF 2006 campaign. For a given set of topics, this task presuppose...
GIS
2005
ACM
14 years 9 months ago
2005
ACM
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...