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SIGMOD
2009
ACM
171views Database» more  SIGMOD 2009»
14 years 8 months ago
GAMPS: compressing multi sensor data by grouping and amplitude scaling
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
Sorabh Gandhi, Suman Nath, Subhash Suri, Jie Liu
SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 8 months ago
To search or to crawl?: towards a query optimizer for text-centric tasks
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
Panagiotis G. Ipeirotis, Eugene Agichtein, Pranay ...
JCDL
2005
ACM
100views Education» more  JCDL 2005»
14 years 1 months ago
What's there and what's not?: focused crawling for missing documents in digital libraries
Some large scale topical digital libraries, such as CiteSeer, harvest online academic documents by crawling open-access archives, university and author homepages, and authors’ s...
Ziming Zhuang, Rohit Wagle, C. Lee Giles
ICDE
2002
IEEE
181views Database» more  ICDE 2002»
14 years 24 days ago
YFilter: Efficient and Scalable Filtering of XML Documents
Soon, much of the data exchanged over the Internet will be encoded in XML, allowing for sophisticated filtering and content-based routing. We have built a filtering engine called ...
Yanlei Diao, Peter M. Fischer, Michael J. Franklin...
CIKM
2008
Springer
13 years 9 months ago
Real-time new event detection for video streams
Online detection of video clips that present previously unseen events in a video stream is still an open challenge to date. For this online new event detection (ONED) task, existi...
Gang Luo, Rong Yan, Philip S. Yu