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» Systems, Views and Models of UML
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SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
16 years 6 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 6 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
ADL
1998
Springer
189views Digital Library» more  ADL 1998»
15 years 10 months ago
Semantic Relations in a Medical Digital Library
ct In this paper, we describe the VesaliusTM Project, a multi-modal collection of anatomical resourcesunder development at Columbia University. 1 Our focus is on the need for navig...
Nina Wacholder, Celina Imielinska, Judith Klavans,...
DLOG
2007
15 years 8 months ago
Retrospective on Clio: Schema Mapping and Data Exchange in Practice
Clio is a joint research project between the University of Toronto and IBM Almaden Research Center started in 1999 to address both foundational and systems issues related to the ma...
Renée J. Miller
ATAL
2005
Springer
15 years 11 months ago
Protocol synthesis with dialogue structure theory
Inspired by computational linguistic approaches to annotate the structures that occur in human dialogue, this paper describes a technique which encodes these structures as transfo...
Jarred McGinnis, David Robertson, Christopher Walt...