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» Querying Distributed Data in a Super-Peer Based Architecture
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SIGMOD
2010
ACM
377views Database» more  SIGMOD 2010»
15 years 11 months ago
Online aggregation and continuous query support in MapReduce
MapReduce is a popular framework for data-intensive distributed computing of batch jobs. To simplify fault tolerance, the output of each MapReduce task and job is materialized to ...
Tyson Condie, Neil Conway, Peter Alvaro, Joseph M....
SASO
2008
IEEE
16 years 16 days ago
Hierarchical Organizations and a Supporting Software Architecture for Floating Car Data
The use of floating car data is an interesting method to monitor traffic. Vehicles act as local traffic sensors and data from individual vehicles is aggregated into higher-leve...
Robrecht Haesevoets, Danny Weyns, Tom Holvoet, Wou...
HPDC
2008
IEEE
16 years 18 days ago
Ontological framework for a free-form query based grid search engine
If the model of free-form queries, which has proved successful for HTML based search on the Web, is made available for Grid services, it will serve as a powerful tool for scientis...
Chaitali Gupta, Rajdeep Bhowmik, Madhusudhan Govin...
ICDE
2007
IEEE
164views Database» more  ICDE 2007»
16 years 14 days ago
Secure Mediation of Join Queries by Processing Ciphertexts
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...
Joachim Biskup, Christian Tsatedem, Lena Wiese
VLDB
1998
ACM
138views Database» more  VLDB 1998»
15 years 10 months ago
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
Clara Nippl, Bernhard Mitschang