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156
Voted
MM
2006
ACM
197views Multimedia» more  MM 2006»
15 years 9 months ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
143
Voted
SSDBM
2005
IEEE
131views Database» more  SSDBM 2005»
15 years 9 months ago
Searching for Related Objects in Relational Databases
To discover knowledge or retrieve information from a relational database, a user often needs to find objects related to certain source objects. There are two main challenges in b...
Xiaoxin Yin, Jiawei Han, Jiong Yang
SSDBM
2002
IEEE
122views Database» more  SSDBM 2002»
15 years 8 months ago
ATreeGrep: Approximate Searching in Unordered Trees
An unordered labeled tree is a tree in which each node has a string label and the parent-child relationship is significant, but the order among siblings is unimportant. This pape...
Dennis Shasha, Jason Tsong-Li Wang, Huiyuan Shan, ...
109
Voted
GIR
2008
ACM
15 years 4 months ago
Geographic features in web search retrieval
We conduct large-scale search engine relevance experiments, using the 12% of queries that contain placenames, matching the placenames to places in the documents, and examining the...
Rosie Jones, Ahmed Hassan, Fernando Diaz
157
Voted
ICDT
2011
ACM
213views Database» more  ICDT 2011»
14 years 7 months ago
On provenance and privacy
Provenance in scientific workflows is a double-edged sword. On the one hand, recording information about the module executions used to produce a data item, as well as the parame...
Susan B. Davidson, Sanjeev Khanna, Sudeepa Roy, Ju...