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» A Database Approach to Distributed State Space Generation
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CCS
2010
ACM
15 years 1 months ago
Scene tagging: image-based CAPTCHA using image composition and object relationships
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
Peter Matthews, Cliff Changchun Zou
DASFAA
2011
IEEE
525views Database» more  DASFAA 2011»
14 years 1 months ago
StreamFitter: A Real Time Linear Regression Analysis System for Continuous Data Streams
In this demo, we present the StreamFitter system for real-time regression analysis on continuous data streams. In order to perform regression on data streams, it is necessary to co...
Chandima H. Nadungodage, Yuni Xia, Fang Li, Jaehwa...
SIGMOD
2008
ACM
138views Database» more  SIGMOD 2008»
14 years 9 months ago
Configuration-parametric query optimization for physical design tuning
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...
Nicolas Bruno, Rimma V. Nehme
EDBT
2009
ACM
144views Database» more  EDBT 2009»
15 years 1 months ago
Efficient maintenance techniques for views over active documents
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
Serge Abiteboul, Pierre Bourhis, Bogdan Marinoiu
ICDE
2011
IEEE
262views Database» more  ICDE 2011»
14 years 1 months ago
Memory-constrained aggregate computation over data streams
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
K. V. M. Naidu, Rajeev Rastogi, Scott Satkin, Anan...