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WIOPT
2006
IEEE
14 years 2 months ago
Optimizing data replication for expanding ring-based queries in wireless sensor networks
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
Bhaskar Krishnamachari, Joon Ahn
ICDE
1999
IEEE
113views Database» more  ICDE 1999»
14 years 9 months ago
I/O Complexity for Range Queries on Region Data Stored Using an R-tree
In this paper we study the node distribution of an Rtree storing region data, like for instance islands, lakes or human-inhabited areas. We will show that real region datasets are...
Guido Proietti, Christos Faloutsos
ICDE
2004
IEEE
87views Database» more  ICDE 2004»
14 years 9 months ago
Nile: A Query Processing Engine for Data Streams
Moustafa A. Hammad, Mohamed F. Mokbel, Mohamed H. ...
CIVR
2008
Springer
125views Image Analysis» more  CIVR 2008»
13 years 10 months ago
Leveraging user query log: toward improving image data clustering
Image clustering is useful in many retrieval and classification applications. The main goal of image clustering is to partition a given dataset into salient clusters such that the...
Hao Cheng, Kien A. Hua, Khanh Vu
ICDE
2006
IEEE
188views Database» more  ICDE 2006»
14 years 9 months ago
Efficiently Evaluating Order Preserving Similarity Queries over Historical Market-Basket Data
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
Reza Sherkat, Davood Rafiei