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» Similarity Queries on Structured Data in Structured Overlays
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WWW
2008
ACM
16 years 7 months ago
Pivotbrowser: a tag-space image searching prototype
We propose a novel iterative searching and refining prototype for tagged images. This prototype, named PivotBrowser, captures semantically similar tag sets in a structure called p...
Xiaoyan Li, Lidan Shou, Gang Chen, Xiaolong Zhang,...
DAWAK
2005
Springer
16 years 10 days ago
Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...
Alkis Simitsis, Panos Vassiliadis, Manolis Terrovi...
KES
2008
Springer
15 years 6 months ago
A Semantic Language for Querying Anonymous Web Sources
A great deal of work has been carried out in recent years to facilitate access to data and information available on the Web. Proposals converge in two additional areas which consis...
Francois Pinet, Michel Schneider
IDEAS
1997
IEEE
107views Database» more  IDEAS 1997»
15 years 11 months ago
Query Processing in the ROL system
The ROL system is a novel deductive object-oriented database system that has been implemented at the University of Regina. It provides a uniform rule-based declarative language fo...
Mengchi Liu, Weidong Yu
IWMMDBMS
1996
64views more  IWMMDBMS 1996»
15 years 8 months ago
Spatial Indexing into Compressed Raster Images: How to Answer Range Queries Without Decompression
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
Renato Pajarola, Peter Widmayer