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» Nested Queries in Object Bases
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SEBD
2007
113views Database» more  SEBD 2007»
13 years 11 months ago
Conditional Preferences: A New Semantics for Database Queries
Preference queries aim to retrieve from large databases those objects that better match user’s requirements. Approaches proposed so far in the DB field for specifying preference...
Paolo Ciaccia
NSDI
2004
13 years 11 months ago
Beehive: O(1) Lookup Performance for Power-Law Query Distributions in Peer-to-Peer Overlays
Structured peer-to-peer hash tables provide decentralization, self-organization, failure-resilience, and good worst-case lookup performance for applications, but suffer from high ...
Venugopalan Ramasubramanian, Emin Gün Sirer
ICDE
2005
IEEE
156views Database» more  ICDE 2005»
14 years 11 months ago
Reverse Nearest Neighbors in Large Graphs
A reverse nearest neighbor (RNN) query returns the data objects that have a query point as their nearest neighbor (NN). Although such queries have been studied quite extensively in...
Man Lung Yiu, Dimitris Papadias, Nikos Mamoulis, Y...
TKDE
2010
190views more  TKDE 2010»
13 years 8 months ago
Effectively Indexing the Uncertain Space
—With the rapid development of various optical, infrared, and radar sensors and GPS techniques, there are a huge amount of multidimensional uncertain data collected and accumulat...
Ying Zhang, Xuemin Lin, Wenjie Zhang, Jianmin Wang...
MTA
2007
141views more  MTA 2007»
13 years 9 months ago
Flexible integration of multimedia sub-queries with qualitative preferences
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...