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» The Guarding Problem - Complexity and Approximation
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SIGMOD
2004
ACM
144views Database» more  SIGMOD 2004»
14 years 8 months ago
Diamond in the Rough: Finding Hierarchical Heavy Hitters in Multi-Dimensional Data
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
PODS
2007
ACM
151views Database» more  PODS 2007»
14 years 8 months ago
Optimization of continuous queries with shared expensive filters
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
Kamesh Munagala, Utkarsh Srivastava, Jennifer Wido...
WSDM
2010
ACM
166views Data Mining» more  WSDM 2010»
14 years 5 months ago
Ranking Mechanisms in Twitter-Like Forums
We study the problem of designing a mechanism to rank items in forums by making use of the user reviews such as thumb and star ratings. We compare mechanisms where forum users rat...
Anish Das Sarma, Atish Das Sarma, Sreenivas Gollap...
ICCAD
2001
IEEE
84views Hardware» more  ICCAD 2001»
14 years 5 months ago
Minimum-Buffered Routing of Non-Critical Nets for Slew Rate and Reliability Control
In high-speed digital VLSI design, bounding the load capacitance at gate outputs is a well-known methodology to improve coupling noise immunity, reduce degradation of signal trans...
Charles J. Alpert, Andrew B. Kahng, Bao Liu, Ion I...
ICDE
2009
IEEE
159views Database» more  ICDE 2009»
14 years 2 months ago
ApproxRank: Estimating Rank for a Subgraph
Abstract— Customized semantic query answering, personalized search, focused crawlers and localized search engines frequently focus on ranking the pages contained within a subgrap...
Yao Wu, Louiqa Raschid