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CVPR
2005
IEEE
15 years 11 months ago
Detection and Explanation of Anomalous Activities: Representing Activities as Bags of Event n-Grams
We present a novel representation and method for detecting and explaining anomalous activities in a video stream. Drawing from natural language processing, we introduce a represen...
Raffay Hamid, Amos Y. Johnson, Samir Batta, Aaron ...
161
Voted
POPL
2006
ACM
15 years 10 months ago
The next 700 data description languages
In the spirit of Landin, we present a calculus of dependent types to serve as the semantic foundation for a family of languages called data description languages. Such languages, ...
Kathleen Fisher, Yitzhak Mandelbaum, David Walker
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
15 years 10 months ago
Keyword search on structured and semi-structured data
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
Yi Chen, Wei Wang 0011, Ziyang Liu, Xuemin Lin
82
Voted
PODS
2004
ACM
189views Database» more  PODS 2004»
15 years 9 months ago
The Lixto Data Extraction Project - Back and Forth between Theory and Practice
We present the Lixto project, which is both a research project in database theory and a commercial enterprise that develops Web data extraction (wrapping) and Web service definiti...
Georg Gottlob, Christoph Koch, Robert Baumgartner,...
78
Voted
MOBIQUITOUS
2005
IEEE
15 years 3 months ago
Proxy-based Hand-off of Web Sessions for User Mobility
The proliferation of different kinds of mobile devices, ranging from personal wireless devices, such as PDAs and smart phones, to small notebooks, is enabling ubiquitous personal ...
Gerardo Canfora, Giuseppe Di Santo, Gabriele Ventu...