892 search results - page 61 / 179 » Management of Dynamic and Imperfect User Context Information |
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DIM
2007
ACM
15 years 3 months ago
2007
ACM
In a history-based trust-management system, users and service providers use information about past transactions to make trust-based decisions concerning current transactions. One ...
ECIS
2004
15 years 1 months ago
2004
This paper explores the use of two complementary approaches, each stemming from Personal Construct Theory (PCT), to investigate the interdependence of organizations and informatio...
ECSCW
1993
15 years 1 months ago
1993
: Most cooperation support systems require information about the organisational context in which they are used. This is particularly required when systems are used in a large organ...
CIKM
2001
Springer
15 years 4 months ago
2001
Springer
We consider the problem of organizing and browsing the top ranked portion of the documents returned by an information retrieval system. We study the effectiveness of a document o...
SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...