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» Containment of Aggregate Queries
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PODS
2005
ACM
128views Database» more  PODS 2005»
16 years 4 months ago
Operator placement for in-network stream query processing
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...
Utkarsh Srivastava, Kamesh Munagala, Jennifer Wido...
ISR
2011
14 years 11 months ago
REQUEST: A Query Language for Customizing Recommendations
Initially popularized by Amazon.com, recommendation technologies have become widespread over the past several years. However, the types of recommendations available to the users i...
Gediminas Adomavicius, Alexander Tuzhilin, Rong Zh...
ICDE
2009
IEEE
115views Database» more  ICDE 2009»
16 years 6 months ago
Efficient Evaluation of Multiple Preference Queries
Consider multiple users searching for a hotel room, based on size, cost, distance to the beach, etc. Users may have variable preferences expressed by different weights on the attri...
Leong Hou U, Nikos Mamoulis, Kyriakos Mouratidis
SIGMOD
2004
ACM
95views Database» more  SIGMOD 2004»
16 years 4 months ago
Querying at Internet-Scale
We are developing a distributed query processor called PIER, which is designed to run on the scale of the entire Internet. PIER utilizes a Distributed Hash Table (DHT) as its comm...
Brent N. Chun, Joseph M. Hellerstein, Ryan Huebsch...
UIST
1997
ACM
15 years 8 months ago
An Interactive Visual Query Environment for Exploring Data
Direct manipulation of visualizations is a powerful technique for performing exploratory data operations such as navigation, aggregation, and filtering. Its immediacy facilitates ...
Mark Derthick, John Kolojejchick, Steven F. Roth