Sciweavers

3471 search results - page 16 / 695
» User activity histories
Sort
View
VLDB
1994
ACM
133views Database» more  VLDB 1994»
15 years 3 months ago
Composite Events for Active Databases: Semantics, Contexts and Detection
Making a database system active entails developing an expressive event specification language with well-defined semantics, algorithms for the detection of composite events, and an...
Sharma Chakravarthy, V. Krishnaprasad, Eman Anwar,...
WIKIS
2009
ACM
15 years 6 months ago
Organizing the vision for web 2.0: a study of the evolution of the concept in Wikipedia
Information Systems (IS) innovations are often characterized by buzzwords, reflecting organizing visions that structure and express the images and ideas formed by a wide community...
Arnaud Gorgeon, E. Burton Swanson
PERCOM
2010
ACM
14 years 6 months ago
Local map generation using position and communication history of mobile nodes
In this paper, we propose an algorithm to estimate 2D shapes and positions of obstacles such as buildings using GPS and wireless communication history of mobile nodes. Our algorith...
Shinichi Minamimoto, Sae Fujii, Hirozumi Yamaguchi...
SIGIR
2002
ACM
14 years 11 months ago
Predicting category accesses for a user in a structured information space
In a categorized information space, predicting users' information needs at the category level can facilitate personalization, caching and other topic-oriented services. This ...
Mao Chen, Andrea S. LaPaugh, Jaswinder Pal Singh
BSL
2006
109views more  BSL 2006»
14 years 11 months ago
Computing with functionals - computability theory or computer science?
We review some of the history of the computability theory of functionals of higher types, and we will demonstrate how contributions from logic and theoretical computer science hav...
Dag Normann