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BTW
2011
Springer
218views Database» more  BTW 2011»
12 years 11 months ago
Tracking Hot-k Items over Web 2.0 Streams
Abstract: The rise of the Web 2.0 has made content publishing easier than ever. Yesterday’s passive consumers are now active users who generate and contribute new data to the web...
Parisa Haghani, Sebastian Michel, Karl Aberer
AAAI
2008
13 years 10 months ago
A Utility-Theoretic Approach to Privacy and Personalization
Online services such as web search, news portals, and ecommerce applications face the challenge of providing highquality experiences to a large, heterogeneous user base. Recent ef...
Andreas Krause, Eric Horvitz
SSD
2005
Springer
105views Database» more  SSD 2005»
14 years 1 months ago
Evaluation of Top-k OLAP Queries Using Aggregate R-Trees
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
Nikos Mamoulis, Spiridon Bakiras, Panos Kalnis
DBKDA
2010
IEEE
169views Database» more  DBKDA 2010»
14 years 22 days ago
XLeaf: Twig Evaluation with Skipping Loop Joins and Virtual Nodes
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Nils Grimsmo, Truls Amundsen Bjørklund, &Os...
DEXA
2009
Springer
138views Database» more  DEXA 2009»
14 years 2 months ago
Evaluating Non-In-Place Update Techniques for Flash-Based Transaction Processing Systems
Recently, flash memory is emerging as the storage device. With price sliding fast, the cost per capacity is approaching to that of SATA disk drives. So far flash memory has been ...
Yongkun Wang, Kazuo Goda, Masaru Kitsuregawa