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CORR
2011
Springer
143views Education» more  CORR 2011»
14 years 4 months ago
CoPhy: A Scalable, Portable, and Interactive Index Advisor for Large Workloads
Index tuning, i.e., selecting the indexes appropriate for a workload, is a crucial problem in database system tuning. In this paper, we solve index tuning for large problem instan...
Debabrata Dash, Neoklis Polyzotis, Anastasia Ailam...
ECIR
2011
Springer
14 years 1 months ago
Video Retrieval Based on Words-of-Interest Selection
Query-by-example video retrieval is receiving an increasing attention in recent years. One of the state-of-art approaches is the Bag-of-visual Words (BoW) based technique, where im...
Lei Wang, Dawei Song, Eyad Elyan
WWW
2003
ACM
15 years 10 months ago
Ontology-Based Image Retrieval
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...
Avril Styrman, Eero Hyvönen, Kim Viljanen, Sa...
SIGMOD
2002
ACM
134views Database» more  SIGMOD 2002»
15 years 10 months ago
Wavelet synopses with error guarantees
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...
Minos N. Garofalakis, Phillip B. Gibbons
ICDE
2006
IEEE
193views Database» more  ICDE 2006»
15 years 11 months ago
Probabilistic Message Passing in Peer Data Management Systems
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...
Philippe Cudré-Mauroux, Karl Aberer, Andras...