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INFOCOM
2006
IEEE
14 years 1 months ago
Landmark-Based Information Storage and Retrieval in Sensor Networks
— For a wide variety of sensor network environments, location information is unavailable or expensive to obtain. We propose a location-free, lightweight, distributed, and data-ce...
Qing Fang, Jie Gao, Leonidas J. Guibas
MCAM
2007
Springer
238views Multimedia» more  MCAM 2007»
14 years 1 months ago
A Three-Level Scheme for Real-Time Ball Tracking
A three-level method is proposed to achieve robust and real-time ball tracking in soccer videos. It includes object-, intra-trajectory-, and intertrajectory-level processing. Due t...
Xiaofeng Tong, Tao Wang, Wenlong Li, Yimin Zhang, ...
CCS
2008
ACM
13 years 9 months ago
Assessing query privileges via safe and efficient permission composition
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
CIE
2007
Springer
14 years 2 months ago
The Complexity Ecology of Parameters: An Illustration Using Bounded Max Leaf Number
In the framework of parameterized complexity, exploring how one parameter affects the complexity of a different parameterized (or unparameterized problem) is of general interest....
Michael R. Fellows, Frances A. Rosamond
SPAA
1990
ACM
13 years 11 months ago
Optimal Cooperative Search in Fractional Cascaded Data Structures
Fractional cascading is a technique designed to allow e cient sequential search in a graph with catalogs of total size n. The search consists of locating a key in the catalogs alo...
Roberto Tamassia, Jeffrey Scott Vitter