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CORR
2008
Springer
113views Education» more  CORR 2008»
13 years 9 months ago
Expressing OLAP operators with the TAX XML algebra
With the rise of XML as a standard for representing business data, XML data warehouses appear as suitable solutions for Web-based decision-support applications. In this context, i...
Marouane Hachicha, Hadj Mahboubi, Jérô...
SIGMOD
2012
ACM
383views Database» more  SIGMOD 2012»
12 years 2 days ago
Dynamic workload driven data integration in tableau
Tableau is a commercial business intelligence (BI) software tool that supports interactive, visual analysis of data. Armed with a visual interface to data and a focus on usability...
Kristi Morton, Ross Bunker, Jock D. Mackinlay, Rob...
TIT
1998
90views more  TIT 1998»
13 years 9 months ago
On the Complexity of Decoding Lattices Using the Korkin-Zolotarev Reduced Basis
—Upper and lower bounds are derived for the decoding complexity of a general lattice L. The bounds are in terms of the dimension n and the coding gain of L, and are obtained ba...
Amir H. Banihashemi, Amir K. Khandani
WWW
2010
ACM
14 years 4 months ago
Factorizing personalized Markov chains for next-basket recommendation
Recommender systems are an important component of many websites. Two of the most popular approaches are based on matrix factorization (MF) and Markov chains (MC). MF methods learn...
Steffen Rendle, Christoph Freudenthaler, Lars Schm...
VLDB
2001
ACM
86views Database» more  VLDB 2001»
14 years 2 months ago
Intelligent Rollups in Multidimensional OLAP Data
In this paper we propose a new operator for advanced exploration of large multidimensional databases. The proposed operator can automatically generalize from a specific problem c...
Gayatri Sathe, Sunita Sarawagi