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» Performance Modeling and Evaluation of E-Business Systems
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MATES
2004
Springer
14 years 2 months ago
Towards Models of Incomplete and Uncertain Knowledge of Collaborators' Internal Resources
Collaboration plays a critical role when a group is striving for goals which are difficult or impossible to achieve by an individual. Knowledge about collaborators’ contribution...
Christian Guttmann, Ingrid Zukerman
CORR
2010
Springer
169views Education» more  CORR 2010»
13 years 3 months ago
Recommender Systems by means of Information Retrieval
In this paper we present a method for reformulating the Recommender Systems problem in an Information Retrieval one. In our tests we have a dataset of users who give ratings for s...
Alberto Costa, Fabio Roda
WCNC
2010
IEEE
14 years 1 months ago
Modelling Angle Spread Autocorrelations and the Impact on Multi-User Diversity Gains
—One way of modelling the wireless channel is in a statistical manner, based on a few parameters describing the characteristics of the environment. In most current wireless chann...
Niklas Jalden, Per Zetterberg, Björn E. Otter...
TITB
2010
120views Education» more  TITB 2010»
13 years 3 months ago
A distributed, collaborative intelligent agent system approach for proactive postmarketing drug safety surveillance
Discovering unknown adverse drug reactions (ADRs) in postmarketing surveillance as early as possible is of great importance. The current approach to postmarketing surveillance prim...
Yanqing Ji, Hao Ying, Margo S. Farber, John Yen, P...
ADBIS
2005
Springer
116views Database» more  ADBIS 2005»
14 years 2 months ago
A Formal Model for the Problem of View Selection for Aggregate Queries
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
Jingni Li, Zohreh Asgharzadeh Talebi, Rada Chirkov...