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PVLDB
2010
252views more  PVLDB 2010»
14 years 4 months ago
Efficient and Effective Similarity Search over Probabilistic Data based on Earth Mover's Distance
Probabilistic data is coming as a new deluge along with the technical advances on geographical tracking, multimedia processing, sensor network and RFID. While similarity search is...
Jia Xu, Zhenjie Zhang, Anthony K. H. Tung, Ge Yu
ER
2006
Springer
145views Database» more  ER 2006»
15 years 1 months ago
Combining Declarative and Procedural Knowledge to Automate and Represent Ontology Mapping
Ontologies on the Semantic Web are by nature decentralized. From the body of ontology mapping approaches, we can draw a conclusion that an effective approach to automate ontology m...
Li Xu, David W. Embley, Yihong Ding
69
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VLDB
1999
ACM
140views Database» more  VLDB 1999»
15 years 1 months ago
Combining Histograms and Parametric Curve Fitting for Feedback-Driven Query Result-size Estimation
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
Arnd Christian König, Gerhard Weikum
IDEAS
2010
IEEE
141views Database» more  IDEAS 2010»
14 years 7 months ago
Modeling synchronized time series
Abstract. We consider the class of applications that manage time series (TS) and propose a data model and a query language that let these applications manipulate TS data sets at a ...
Zoé Faget, Philippe Rigaux, David Gross-Amb...
BMCBI
2008
130views more  BMCBI 2008»
14 years 9 months ago
Structural descriptor database: a new tool for sequence-based functional site prediction
Background: The Structural Descriptor Database (SDDB) is a web-based tool that predicts the function of proteins and functional site positions based on the structural properties o...
Juliana S. Bernardes, Jorge H. Fernandez, Ana Tere...