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SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
14 years 6 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
KDD
2007
ACM
153views Data Mining» more  KDD 2007»
14 years 6 months ago
Exploiting duality in summarization with deterministic guarantees
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...
Panagiotis Karras, Dimitris Sacharidis, Nikos Mamo...
SSD
2009
Springer
233views Database» more  SSD 2009»
14 years 24 days ago
Approximate Evaluation of Range Nearest Neighbor Queries with Quality Guarantee
The range nearest-neighbor (NN) query is an important query type in location-based services, as it can be applied to the case that an NN query has a spatial region, instead of a lo...
Chi-Yin Chow, Mohamed F. Mokbel, Joe Naps, Suman N...
DPD
2007
165views more  DPD 2007»
13 years 6 months ago
Context-based caching and routing for P2P web service discovery
In modern heterogeneous environments, such as mobile, pervasive and ad-hoc networks, architectures based on web services offer an attractive solution for effective communication a...
Christos Doulkeridis, Vassilis Zafeiris, Kjetil N&...
TIP
2010
152views more  TIP 2010»
13 years 4 months ago
Rate-Distortion Optimized Bitstream Extractor for Motion Scalability in Wavelet-Based Scalable Video Coding
—Motion scalability is designed to improve the coding efficiency of a scalable video coding framework, especially in the medium to low range of decoding bit rates and spatial re...
Meng-Ping Kao, T. Q. Nguyen