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INFORMATICALT
2010
110views more  INFORMATICALT 2010»
15 years 2 months ago
From XML to Relational Models
For many businesses and organizations, the achievement of interoperability has proven to be a highly desirable goal. However, without efficient schema mapping mechanisms or models ...
Elena Castro, Dolores Cuadra, Manuel Velasco
CASCON
1997
135views Education» more  CASCON 1997»
15 years 6 months ago
Automatic generation of performance models using the distributed management framework (DMF)
The purpose of the Distributed Management Framework (DMF) is to provide a layer of ion at a level convenient for management application developers. Specifically, it liberates the ...
Asham El Rayess, Jerome A. Rolia
SIGMOD
2010
ACM
173views Database» more  SIGMOD 2010»
15 years 9 months ago
PR-join: a non-blocking join achieving higher early result rate with statistical guarantees
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
Shimin Chen, Phillip B. Gibbons, Suman Nath
VLDB
1991
ACM
141views Database» more  VLDB 1991»
15 years 8 months ago
Efficiency of Nested Relational Document Database Systems
Systems designed for efficient retrieval of conventional data can be very inefficient at retrieving documents. Documents have more complex structure than conventional data, and th...
Justin Zobel, James A. Thom, Ron Sacks-Davis
KDD
2007
ACM
191views Data Mining» more  KDD 2007»
16 years 5 months ago
Modeling relationships at multiple scales to improve accuracy of large recommender systems
The collaborative filtering approach to recommender systems predicts user preferences for products or services by learning past useritem relationships. In this work, we propose no...
Robert M. Bell, Yehuda Koren, Chris Volinsky