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WWW
2007
ACM
16 years 3 months ago
Altering document term vectors for classification: ontologies as expectations of co-occurrence
In this paper we extend the state-of-the-art in utilizing background knowledge for supervised classification by exploiting the semantic relationships between terms explicated in O...
Meenakshi Nagarajan, Amit P. Sheth, Marcos Kawazoe...
CHI
2007
ACM
16 years 2 months ago
How HCI interprets the probes
We trace how cultural probes have been adopted and adapted by the HCI community. The flexibility of probes has been central to their uptake, resulting in a proliferation of diverg...
Kirsten Boehner, Janet Vertesi, Phoebe Sengers, Pa...
SIGMOD
2005
ACM
118views Database» more  SIGMOD 2005»
16 years 2 months ago
RPJ: Producing Fast Join Results on Streams through Rate-based Optimization
We consider the problem of "progressively" joining relations whose records are continuously retrieved from remote sources through an unstable network that may incur temp...
Yufei Tao, Man Lung Yiu, Dimitris Papadias, Marios...
PODS
2006
ACM
107views Database» more  PODS 2006»
16 years 2 months ago
Programmable clustering
We initiate a novel study of clustering problems. Rather than specifying an explicit objective function to optimize, our framework allows the user of clustering algorithm to speci...
Sreenivas Gollapudi, Ravi Kumar, D. Sivakumar
ICIAP
2005
ACM
16 years 2 months ago
Time and Date OCR in CCTV Video
Automatic recognition of time and date stamps in CCTV video enables the inclusion of time-based queries in video indexing applications. Such ability needs to deal with problems of ...
Ginés García-Mateos, Andrés G...