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» Schema Design for Uncertain Databases
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CIKM
2009
Springer
14 years 2 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
IV
2000
IEEE
118views Visualization» more  IV 2000»
14 years 19 hour ago
Direct Annotation: A Drag-and-Drop Strategy for Labeling Photos
Annotating photos is such a time-consuming, tedious and error-prone data entry task that it discourages most owners of personal photo libraries. By allowing users to drag labels s...
Ben Shneiderman, Hyunmo Kang
ANSS
2004
IEEE
13 years 11 months ago
A Self Manageable Infrastructure for Supporting Web-based Simulations
Imagine if you would like to deploy your new simulation online and your systems can just take care of itself. Needed web interface could be generated, database schema objects coul...
Yingping Huang, Xiaorong Xiang, Gregory R. Madey
APCCM
2006
13 years 9 months ago
The formal semantics of the timeER model
A wide range of database applications manage information that varies over time. Many of the underlying database schemas of these were designed using one of the several versions of...
Heidi Gregersen
SAC
2004
ACM
14 years 1 months ago
Creation and management of versions in multiversion data warehouse
A data warehouse (DW) provides an information for analytical processing, decision making, and data mining tools. On the one hand, the structure and content of a data warehouse ref...
Bartosz Bebel, Johann Eder, Christian Koncilia, Ta...