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VLDB
2002
ACM
193views Database» more  VLDB 2002»
13 years 8 months ago
REFEREE: An Open Framework for Practical Testing of Recommender Systems using ResearchIndex
Automated recommendation (e.g., personalized product recommendation on an ecommerce web site) is an increasingly valuable service associated with many databases--typically online ...
Dan Cosley, Steve Lawrence, David M. Pennock
ICDE
2008
IEEE
336views Database» more  ICDE 2008»
14 years 10 months ago
Dominant Graph: An Efficient Indexing Structure to Answer Top-K Queries
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
Lei Zou, Lei Chen 0002
CICLING
2001
Springer
14 years 1 months ago
Spatio-temporal Indexing in Database Semantics
In logic, the spatio-temporal location of a proposition is characterized precisely within a Cartesian system of space and time coordinates. This is suitable for characterizing the ...
Roland Hausser
ENVSOFT
2008
55views more  ENVSOFT 2008»
13 years 9 months ago
A simple algorithm for yield estimates: Evaluation for semi-arid irrigated winter wheat monitored with green leaf area index
In this study we investigated the perspective offered by coupling a simple vegetation growth model and ground-based remotely-sensed data for the monitoring of wheat production. A ...
Benoît Duchemin, Philippe Maisongrande, Gill...
INTERACTIONS
2010
109views more  INTERACTIONS 2010»
13 years 7 months ago
The climate change habitability index
rate, the CCHI is defined abstractly as a metric that can be stated in ordinary language and diagrams that allows people to answer the following three questions related to sustaina...
Yue Pan, Chit Meng Cheong, Eli Blevis