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» A Multi-agent Model to Develop Knowledge Management Systems
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ISCI
2007
115views more  ISCI 2007»
14 years 9 months ago
Compressed histograms with arbitrary bucket layouts for selectivity estimation
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
Dennis Fuchs, Zhen He, Byung Suk Lee
CIKM
2010
Springer
14 years 8 months ago
You are where you tweet: a content-based approach to geo-locating twitter users
We propose and evaluate a probabilistic framework for estimating a Twitter user’s city-level location based purely on the content of the user’s tweets, even in the absence of ...
Zhiyuan Cheng, James Caverlee, Kyumin Lee
ER
2007
Springer
109views Database» more  ER 2007»
15 years 1 months ago
Selfish-brain Theory: Challenges in the Top-down Analysis of Metabolic Supply Chains
The Selfish-brain theory has created the theoretical basis for the systemic analysis of the energy metabolism in terms of a supply chain. The energy in form of glucose equivalents...
Dirk Langemann
CACM
1998
110views more  CACM 1998»
14 years 9 months ago
Viewing WISs as Database Applications
abstraction for modeling these problems is to view the Web as a collection of (usually small and heterogeneous) databases, and to view programs that extract and process Web data au...
Gustavo O. Arocena, Alberto O. Mendelzon
HICSS
2007
IEEE
151views Biometrics» more  HICSS 2007»
15 years 4 months ago
Strategic and Institutional Perspectives in the Adoption and Early Integration of Radio Frequency Identification (RFID)
Using multiple lenses of strategic choice theories (diffusion of innovation, organizational innovativeness) and institutional theory as the basis and reflecting data from semi-str...
Aditya Sharma, Alex Citurs, Benn R. Konsynski