935 search results - page 72 / 187 » Performance Evaluation of Multiversion Database Systems |
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
We present an automatic skew mitigation approach for userdefined MapReduce programs and present SkewTune, a system that implements this approach as a drop-in replacement for an e...
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
Intuitively, aggressive work sharing among concurrent queries in a database system should always improve performance by eliminating redundant computation or data accesses. We show...
BIOID
2008
13 years 10 months ago
2008
When a person passes by a surveillance camera a sequence of image is obtained. Before performing any analysis on the face of a person, the face first needs to be detected and secon...
ICDE
1999
IEEE
14 years 9 months ago
1999
IEEE
This paper proposes methodologies to control the access of B-tree-indexed data in a batch and real-time fashion. Algorithms are proposed to insert, query, delete, and rebalance B-...
IEAAIE
2010
Springer
13 years 5 months ago
2010
Springer
This paper details the behavioral evaluation of a qualitative image categorisation and retrieval approach using semantic features of images. Content based image retrieval and class...