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SIGIR
2008
ACM
15 years 1 months ago
SpotSigs: robust and efficient near duplicate detection in large web collections
Motivated by our work with political scientists who need to manually analyze large Web archives of news sites, we present SpotSigs, a new algorithm for extracting and matching sig...
Martin Theobald, Jonathan Siddharth, Andreas Paepc...
KDD
2009
ACM
191views Data Mining» more  KDD 2009»
16 years 1 months ago
Efficient methods for topic model inference on streaming document collections
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...
Limin Yao, David M. Mimno, Andrew McCallum
IPPS
2008
IEEE
15 years 7 months ago
Scaling alltoall collective on multi-core systems
MPI Alltoall is one of the most communication intense collective operation used in many parallel applications. Recently, the supercomputing arena has witnessed phenomenal growth o...
Rahul Kumar, Amith R. Mamidala, Dhabaleswar K. Pan...
TMC
2008
210views more  TMC 2008»
15 years 24 days ago
Adaptive Cluster-Based Data Collection in Sensor Networks with Direct Sink Access
Recently wireless sensor networks featuring direct sink access have been studied as an efficient architecture to gather and process data for numerous applications. In this paper, w...
Mahdi Lotfinezhad, Ben Liang, Elvino S. Sousa
SENSYS
2005
ACM
15 years 7 months ago
Data collection, storage, and retrieval with an underwater sensor network
In this paper we present a novel platform for underwater sensor networks to be used for long-term monitoring of coral reefs and fisheries. The sensor network consists of static a...
Iuliu Vasilescu, Keith Kotay, Daniela Rus, Matthew...