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ECAI
1998
Springer
14 years 18 days ago
Description Logics with Concrete Domains and Aggregation
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
Franz Baader, Ulrike Sattler
CIKM
2000
Springer
14 years 1 months ago
Object and Query Transformation: Supporting Multi-Dimensional Queries through Code Reuse
The complexity of deploying high-performance spatial structures in transactional DBMS environments has motivated researchers to experiment with the idea of reusing the effort inve...
Ratko Orlandic, Byunggu Yu
DOLAP
2005
ACM
13 years 11 months ago
A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
Current data warehouse and OLAP technologies can be applied to analyze the structured data that companies store in their databases. The circumstances that describe the context ass...
Juan Manuel Pérez, Rafael Berlanga Llavori,...
EXPDB
2006
ACM
14 years 3 months ago
Performance Study of Rollout for Multi Dimensional Clustered Tables in DB2
In data warehousing applications, the ability to efficiently delete large chunks of data from a table is very important. This feature is also known as Rollout. Rollout is generall...
Bishwaranjan Bhattacharjee
VRST
2005
ACM
14 years 2 months ago
Dynamic creation of interactive mixed reality presentations
In this paper, we describe a method of dynamic creation of interactive presentations for Mixed Reality environments. The presentations are created automatically for collections of...
Krzysztof Walczak, Rafal Wojciechowski