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» On the Efficiency of Provenance Queries
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DAGSTUHL
2006
14 years 11 months ago
Efficient multi-step query processing for EMD-based similarity
Abstract. Similarity search in large multimedia databases requires efficient query processing based on suitable similarity models. Similarity models consist of a feature extraction...
Ira Assent, Thomas Seidl
101
Voted
WWW
2008
ACM
15 years 10 months ago
Efficiently querying rdf data in triple stores
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...
MOBIHOC
2003
ACM
15 years 9 months ago
Connected sensor cover: self-organization of sensor networks for efficient query execution
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
Himanshu Gupta, Samir R. Das, Quinyi Gu
PVLDB
2008
100views more  PVLDB 2008»
14 years 9 months ago
Efficiently approximating query optimizer plan diagrams
Given a parametrized n-dimensional SQL query template and a choice of query optimizer, a plan diagram is a color-coded pictorial enumeration of the execution plan choices of the o...
Atreyee Dey, Sourjya Bhaumik, Harish D., Jayant R....
TKDE
2010
218views more  TKDE 2010»
14 years 4 months ago
LIGHT: A Query-Efficient Yet Low-Maintenance Indexing Scheme over DHTs
DHT is a widely used building block for scalable P2P systems. However, as uniform hashing employed in DHTs destroys data locality, it is not a trivial task to support complex queri...
Yuzhe Tang, Shuigeng Zhou, Jianliang Xu