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SEBD
2007
114views Database» more  SEBD 2007»
14 years 11 months ago
A New Type of Metadata for Querying Data Integration Systems
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
Sonia Bergamaschi, Francesco Guerra, Mirko Orsini,...
ISCI
2007
105views more  ISCI 2007»
14 years 9 months ago
Cost modeling of spatial operators using non-parametric regression
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
Songtao Jiang, Byung Suk Lee, Zhen He
SIGMOD
2007
ACM
121views Database» more  SIGMOD 2007»
15 years 10 months ago
EaseDB: a cache-oblivious in-memory query processor
We propose to demonstrate EaseDB, the first cache-oblivious query processor for in-memory relational query processing. The cacheoblivious notion from the theory community refers t...
Bingsheng He, Yinan Li, Qiong Luo, Dongqing Yang
ICMCS
2005
IEEE
100views Multimedia» more  ICMCS 2005»
15 years 3 months ago
Projekt Quebex: A Query by Example System for Audio Retrieval
This paper describes an audio retrieval system,Quebex,that works on raw audio data. The system is able to retrieve songs that are rhythmically and timbrewise similar from a databa...
Balaji Thoshkahna, K. R. Ramakrishnan
EUROPAR
2008
Springer
14 years 11 months ago
Complex Queries for Moving Object Databases in DHT-Based Systems
Abstract. Distributed moving object database servers are a feasible solution to the scalability problem of centralized database systems. In this paper we propose a distributed inde...
Cecilia Hernández, M. Andrea Rodrígu...