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VLDB
2008
ACM
131views Database» more  VLDB 2008»
14 years 11 months ago
Primal or dual: which promises faster spatiotemporal search?
The existing predictive spatiotemporal indexes can be classified into two categories, depending on whether they are based on the primal or dual methodology. Although we have gaine...
Yufei Tao, Xiaokui Xiao
ICDE
2006
IEEE
208views Database» more  ICDE 2006»
14 years 4 months ago
Approximate Video Search Based on Spatio-Temporal Information of Video Objects
The spatio-temporal information of a video object is important for content-based video retrieval. In this paper the spatio-temporal information of a video object, such as the velo...
Chia-Han Lin, Arbee L. P. Chen
CIKM
2005
Springer
14 years 4 months ago
WAM-Miner: in the search of web access motifs from historical web log data
Existing web usage mining techniques focus only on discovering knowledge based on the statistical measures obtained from the static characteristics of web usage data. They do not ...
Qiankun Zhao, Sourav S. Bhowmick, Le Gruenwald
SSDBM
2002
IEEE
128views Database» more  SSDBM 2002»
14 years 3 months ago
Compressing Bitmap Indexes for Faster Search Operations
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
SPIESR
2000
104views Database» more  SPIESR 2000»
13 years 12 months ago
Feature localization and search by object model under illumination change
Color object recognition methods that are based on image retrieval algorithms can handle changes of illumination via image normalization, e.g. simple color-channel-normalization1 ...
Mark S. Drew, Zinovi Tauber, Ze-Nian Li