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137
Voted
EDBT
2009
ACM
127views Database» more  EDBT 2009»
15 years 10 months ago
Answering aggregate keyword queries on relational databases using minimal group-bys
Keyword search has been recently extended to relational databases to retrieve information from text-rich attributes. However, all the existing methods focus on finding individual...
Bin Zhou 0002, Jian Pei
ICASSP
2008
IEEE
15 years 10 months ago
Relation between joint optimizations for multiuser MIMO uplink and downlink with imperfect CSI
Joint linear minimum sum mean-squared error (referred to as MSMSE) transmitter and receiver (transceiver) optimization problems are formulated for multiuser MIMO systems under a s...
Minhua Ding, Steven D. Blostein
KI
2007
Springer
15 years 10 months ago
Relational Neural Gas
Abstract. Prototype-based clustering algorithms such as the Self Organizing Map (SOM) or Neural Gas (NG) offer powerful tools for automated data inspection. The distribution of pr...
Barbara Hammer, Alexander Hasenfuss
128
Voted
KCAP
2003
ACM
15 years 9 months ago
Modularisation of domain ontologies implemented in description logics and related formalisms including OWL
Modularity is a key requirement for large ontologies in order to achieve re-use, maintainability, and evolution. Mechanisms for ‘normalisation’ to achieve analogous aims are s...
Alan L. Rector
151
Voted
ICISS
2009
Springer
15 years 8 months ago
A Generic Distortion Free Watermarking Technique for Relational Databases
In this paper we introduce a distortion free watermarking e for relational databases based on the Abstract Interpretation framework. The watermarking technique is partition based. ...
Sukriti Bhattacharya, Agostino Cortesi