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ICDT
2001
ACM
86views Database» more  ICDT 2001»
15 years 11 months ago
Minimizing View Sets without Losing Query-Answering Power
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
Chen Li, Mayank Bawa, Jeffrey D. Ullman
MICCAI
2001
Springer
15 years 11 months ago
Retrospective Evaluation of Inter-subject Brain Registration
Although numerous methods to register brains of different individuals have been proposed, no work has been done, as far as we know, to evaluate and compare objectively the performa...
Pierre Hellier, Christian Barillot, Isabelle Corou...
VLDB
2001
ACM
153views Database» more  VLDB 2001»
15 years 11 months ago
A Fast Index for Semistructured Data
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
Brian F. Cooper, Neal Sample, Michael J. Franklin,...
DEXAW
2000
IEEE
89views Database» more  DEXAW 2000»
15 years 11 months ago
A Conceptual Architecture for a Combined Negotiation Support System
In a combined negotiation in e-commerce, the user is interested in many goods or services and consequently engages in many negotiations at the same time. The negotiations are inde...
Morad Benyoucef, Rudolf K. Keller
IDEAS
2000
IEEE
96views Database» more  IDEAS 2000»
15 years 11 months ago
A Cost Function for Uniformly Partitioned UB-Trees
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
Volker Markl, Rudolf Bayer