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» Answering Multiple-Item Queries in Data Broadcast Systems
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ICDE
2009
IEEE
171views Database» more  ICDE 2009»
15 years 8 months ago
CoTS: A Scalable Framework for Parallelizing Frequency Counting over Data Streams
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...
Sudipto Das, Shyam Antony, Divyakant Agrawal, Amr ...
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 1 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
ESWS
2010
Springer
15 years 6 months ago
A Node Indexing Scheme for Web Entity Retrieval
Now motivated also by the partial support of major search engines, hundreds of millions of documents are being published on the web embedding semi-structured data in RDF, RDFa and ...
Renaud Delbru, Nickolai Toupikov, Michele Catasta,...
HPDC
2010
IEEE
15 years 2 months ago
Distributing the power of OLAP
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...
Katerina Doka, Dimitrios Tsoumakos, Nectarios Kozi...
LCPC
2005
Springer
15 years 6 months ago
Code Transformations for One-Pass Analysis
With the growing popularity of streaming data model, processing queries over streaming data has become an important topic. Streaming data has received attention in a number of comm...
Xiaogang Li, Gagan Agrawal