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CIKM
2000
Springer
15 years 10 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
SIGMOD
1999
ACM
135views Database» more  SIGMOD 1999»
15 years 10 months ago
Improving OLTP Data Quality Using Data Warehouse Mechanisms
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...
Matthias Jarke, Christoph Quix, Guido Blees, Dirk ...
INFOVIS
1999
IEEE
15 years 10 months ago
Navigating Hierarchies with Structure-Based Brushes
Interactive selection is a critical component in exploratory visualization, allowing users to isolate subsets of the displayed information for highlighting, deleting, analysis, or...
Ying-Huey Fua, Matthew O. Ward, Elke A. Rundenstei...
LICS
1999
IEEE
15 years 10 months ago
First-Order Logic vs. Fixed-Point Logic in Finite Set Theory
The ordered conjecture states that least fixed-point logic LFP is strictly more expressive than first-order logic FO on every infinite class of ordered finite structures. It has b...
Albert Atserias, Phokion G. Kolaitis
DEXAW
1998
IEEE
126views Database» more  DEXAW 1998»
15 years 10 months ago
An Extended Query Reformulation Technique Using Materialized Views
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
Jae-young Chang, Sang-goo Lee