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SIGMOD
2010
ACM
132views Database» more  SIGMOD 2010»
9 years 2 months ago
Durable top-k search in document archives
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
Leong Hou U, Nikos Mamoulis, Klaus Berberich, Srik...
PVLDB
2010
139views more  PVLDB 2010»
9 years 2 months ago
Identifying the Most Influential Data Objects with Reverse Top-k Queries
Top-k queries are widely applied for retrieving a ranked set of the k most interesting objects based on the individual user preferences. As an example, in online marketplaces, cus...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
PVLDB
2008
108views more  PVLDB 2008»
9 years 7 months ago
Sliding-window top-k queries on uncertain streams
Query processing on uncertain data streams has attracted a lot of attentions lately, due to the imprecise nature in the data generated from a variety of streaming applications, su...
Cheqing Jin, Ke Yi, Lei Chen 0002, Jeffrey Xu Yu, ...
DPD
2006
123views more  DPD 2006»
9 years 8 months ago
Reducing network traffic in unstructured P2P systems using Top-k queries
A major problem of unstructured P2P systems is their heavy network traffic. This is caused mainly by high numbers of query answers, many of which are irrelevant for users. One solu...
Reza Akbarinia, Esther Pacitti, Patrick Valduriez
SBBD
2003
134views Database» more  SBBD 2003»
9 years 9 months ago
Performance and Quality Evaluation of a Personalized Route Planning System
Advanced personalization of database applications is a big challenge, in particular for distributed mobile environments. We present several new results from a prototype of a route...
Wolf-Tilo Balke, Werner Kießling, Christoph ...
DAMON
2008
Springer
9 years 9 months ago
CAM conscious integrated answering of frequent elements and top-k queries over data streams
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
Sudipto Das, Divyakant Agrawal, Amr El Abbadi
VLDB
2004
ACM
98views Database» more  VLDB 2004»
10 years 1 months ago
Top-k Query Evaluation with Probabilistic Guarantees
Top-k queries based on ranking elements of multidimensional datasets are a fundamental building block for many kinds of information discovery. The best known general-purpose algor...
Martin Theobald, Gerhard Weikum, Ralf Schenkel
VLDB
2005
ACM
115views Database» more  VLDB 2005»
10 years 1 months ago
KLEE: A Framework for Distributed Top-k Query Algorithms
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
Sebastian Michel, Peter Triantafillou, Gerhard Wei...
ICDE
2005
IEEE
147views Database» more  ICDE 2005»
10 years 1 months ago
Privacy-Preserving Top-K Queries
Processing of top-k queries has been attracting considerable attention. Much of the work assumes distributed data, with each site holding a different set of attributes for the sam...
Jaideep Vaidya, Chris Clifton
VLDB
2007
ACM
155views Database» more  VLDB 2007»
10 years 2 months ago
Best Position Algorithms for Top-k Queries
The general problem of answering top-k queries can be modeled using lists of data items sorted by their local scores. The most efficient algorithm proposed so far for answering to...
Reza Akbarinia, Esther Pacitti, Patrick Valduriez
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