32545 search results - page 263 / 6509 » Data Structures and Algorithms |
267
Voted
ICDE
1999
IEEE
16 years 5 months ago
1999
IEEE
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
AAECC
2007
Springer
15 years 10 months ago
2007
Springer
135
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WWW
2007
ACM
16 years 4 months ago
2007
ACM
Finding Contiguous Sequential Patterns (CSP) is an important problem in Web usage mining. In this paper we propose a new data structure, UpDown Tree, for CSP mining. An UpDown Tre...
117
Voted
GECCO
2005
Springer
15 years 9 months ago
2005
Springer
This paper introduces hyper-ellipsoids as an improvement to hyper-spheres as intrusion detectors in a negative selection problem within an artificial immune system. Since hyper-s...
124
Voted
WWW
2006
ACM
16 years 4 months ago
2006
ACM
This paper is to investigate the group behavior patterns of search activities based on Web search history data, i.e., clickthrough data, to boost search performance. We propose a ...