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SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 5 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»
16 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»
16 years 8 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»
15 years 5 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»
15 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