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CIKM
2001
Springer
14 years 25 days ago
Index Filtering and View Materialization in ROLAP Environment
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
Shi Guang Qiu, Tok Wang Ling
ICRA
1994
IEEE
127views Robotics» more  ICRA 1994»
14 years 13 days ago
A Comparison of Position Estimation Techniques Using Occupancy Grids
A mobile robot requires perception of its local environment for both sensor based locomotion and for position estimation. Occupancy grids, based on ultrasonic range data, provide ...
Bernt Schiele, James L. Crowley
SPIRE
2010
Springer
13 years 6 months ago
Fingerprinting Ratings for Collaborative Filtering - Theoretical and Empirical Analysis
Abstract. We consider fingerprinting methods for collaborative filtering (CF) systems. In general, CF systems show their real strength when supplied with enormous data sets. Earl...
Yoram Bachrach, Ralf Herbrich
GECCO
2007
Springer
162views Optimization» more  GECCO 2007»
14 years 2 months ago
Using pair approximations to predict takeover dynamics in spatially structured populations
The topological properties of a network directly impact the flow of information through a system. For example, in natural populations, the network of inter-individual contacts aff...
Joshua L. Payne, Margaret J. Eppstein
CSE
2009
IEEE
14 years 3 months ago
Information Retrieval in Wikis Using an Ontology
This article addresses a question regarding relevant information in a social media such as a wiki that can contain huge amount of text, written in slang or in natural language, wi...
Carlos Miguel Tobar, Alessandro Santos Germer, Jua...