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VLDB
1998
ACM
120views Database» more  VLDB 1998»
15 years 8 months ago
Algorithms for Querying by Spatial Structure
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
Dimitris Papadias, Nikos Mamoulis, Vasilis Delis
VLDB
1990
ACM
74views Database» more  VLDB 1990»
15 years 8 months ago
Query Processing for Distance Metrics
In applications such as vision and molecular biology, a common problem is to find the similar objects to a given target (according to some distance measure) in a large database. T...
Jason Tsong-Li Wang, Dennis Shasha
ADC
2008
Springer
94views Database» more  ADC 2008»
15 years 6 months ago
Content-based Image Retrieval Using Image Regions as Query Examples
A common approach to content-based image retrieval is to use example images as queries; images in the collection that have low-level features similar to the query examples are ret...
D. N. F. Awang Iskandar, James A. Thom, Seyed M. M...
CIKM
2005
Springer
15 years 9 months ago
Query workload-aware overlay construction using histograms
Peer-to-peer (p2p) systems offer an efficient means of data sharing among a dynamically changing set of a large number of autonomous nodes. Each node in a p2p system is connected...
Georgia Koloniari, Yannis Petrakis, Evaggelia Pito...
SIGMOD
2000
ACM
158views Database» more  SIGMOD 2000»
15 years 8 months ago
NiagaraCQ: A Scalable Continuous Query System for Internet Databases
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
Jianjun Chen, David J. DeWitt, Feng Tian, Yuan Wan...