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715views
15 years 9 months ago
A Peer-to-Peer Spatial Cloaking Algorithm for Anonymous Location-based Services
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desire...
Chi-Yin Chow, Mohamed F. Mokbel, Xuan Liu
ICCV
2005
IEEE
14 years 12 months ago
Vector Boosting for Rotation Invariant Multi-View Face Detection
In this paper, we propose a novel tree-structured multi-view face detector (MVFD), which adopts the coarse-to-fine strategy to divide the entire face space into smaller and smalle...
Chang Huang, Haizhou Ai, Yuan Li, Shihong Lao
ICDE
2007
IEEE
113views Database» more  ICDE 2007»
14 years 11 months ago
Reducing Order Enforcement Cost in Complex Query Plans
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
Ravindra Guravannavar, S. Sudarshan
WWW
2004
ACM
14 years 10 months ago
A hierarchical monothetic document clustering algorithm for summarization and browsing search results
Organizing Web search results into a hierarchy of topics and subtopics facilitates browsing the collection and locating results of interest. In this paper, we propose a new hierar...
Krishna Kummamuru, Rohit Lotlikar, Shourya Roy, Ka...
WWW
2004
ACM
14 years 10 months ago
Type based service composition
Service matchmaking and composition has recently drawn increasing attention in the research community. Most existing algorithms construct chains of services based on exact matches...
Ion Constantinescu, Boi Faltings, Walter Binder