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NIPS
2004
13 years 9 months ago
Instance-Based Relevance Feedback for Image Retrieval
High retrieval precision in content-based image retrieval can be attained by adopting relevance feedback mechanisms. These mechanisms require that the user judges the quality of t...
Giorgio Giacinto, Fabio Roli
EDBT
2004
ACM
126views Database» more  EDBT 2004»
14 years 7 months ago
Spatial Queries in the Presence of Obstacles
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
Jun Zhang, Dimitris Papadias, Kyriakos Mouratidis,...
SODA
2010
ACM
409views Algorithms» more  SODA 2010»
14 years 5 months ago
Data Structures for Range Minimum Queries in Multidimensional Arrays
Given a d-dimensional array A with N entries, the Range Minimum Query (RMQ) asks for the minimum element within a contiguous subarray of A. The 1D RMQ problem has been studied int...
Hao Yuan, Mikhail J. Atallah
ICDE
2005
IEEE
146views Database» more  ICDE 2005»
14 years 1 months ago
Best Effort Query Processing in DHT-based P2P Systems
Structured P2P systems in the form of distributed hash tables (DHT) are a promising approach for building massively distributed data management platforms. However, for many applic...
Philipp Rösch, Kai-Uwe Sattler, Christian von...
SSD
2005
Springer
175views Database» more  SSD 2005»
14 years 1 months ago
Probabilistic Spatial Queries on Existentially Uncertain Data
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
Xiangyuan Dai, Man Lung Yiu, Nikos Mamoulis, Yufei...