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ICDE
2010
IEEE
874views Database» more  ICDE 2010»
14 years 9 months ago
UV-Diagram: A Voronoi Diagram for Uncertain Data
The Voronoi diagram is an important technique for answering nearest-neighbor queries for spatial databases. In this paper, we study how the Voronoi diagram can be used on uncertain...
Reynold Cheng, Xike Xie, Man Lung Yiu, Jinchuan Ch...
ICDCSW
2009
IEEE
14 years 4 months ago
Performance Tradeoffs Among Percolation-Based Broadcast Protocols in Wireless Sensor Networks
Broadcast of information in wireless sensor networks is an important operation, e.g., for code updates, queries, membership information, etc. In this paper, we analyze and experim...
Vijay Raman, Indranil Gupta
CIVR
2009
Springer
174views Image Analysis» more  CIVR 2009»
14 years 4 months ago
Evaluation of GIST descriptors for web-scale image search
The GIST descriptor has recently received increasing attention in the context of scene recognition. In this paper we evaluate the search accuracy and complexity of the global GIST...
Matthijs Douze, Herve Jegou, Harsimrat Sandhawalia...
ACSC
2008
IEEE
14 years 4 months ago
An investigation on a community's web search variability
Users’ past search behaviour provides a rich context that an information retrieval system can use to tailor its search results to suit an individual’s or a community’s infor...
Mingfang Wu, Andrew Turpin, Justin Zobel
ADBIS
2007
Springer
132views Database» more  ADBIS 2007»
14 years 3 months ago
Clustering Approach to Generalized Pattern Identification Based on Multi-instanced Objects with DARA
Clustering is an essential data mining task with various types of applications. Traditional clustering algorithms are based on a vector space model representation. A relational dat...
Rayner Alfred, Dimitar Kazakov