NRank: A Unified Platform Independent Approach for Top-K Algorithms

Martin Čech; Jaroslav Pokorný

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Paper

NRank: A Unified Platform Independent Approach for Top-K Algorithms

Topics: Architectural Concepts; Big Data; Data Analytics; Data Modeling

In Proceedings of the International Conference on Data Technologies and Applications DATA - Volume 1, 111-116, 2012 , Rome, Italy

Authors: Martin Čech ¹ and Jaroslav Pokorný ²

Affiliations: ¹ Lekis s.r.o., Czech Republic ; ² Charles University, Czech Republic

Keyword(s): Top-K Query, Relational Database, Rank Join.

Related Ontology Subjects/Areas/Topics: Architectural Concepts ; Artificial Intelligence ; Big Data ; Business Analytics ; Data Analytics ; Data Engineering ; Data Management and Quality ; Data Modeling and Visualization ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Symbolic Systems

Abstract: Due to increasing capacity of storage devices and speed of computer networks during last years, it is still more required to sort and search data effectively. A query result containing thousands of rows from a relational database is usually useless and unreadable. In that situation, users may prefer to define constraints and sorting priorities in the query, and see only several top rows from the result. This paper deals with top-k queries problems, extension of relational algebra by new operators and their implementation in a database system. It focuses on optimization of operations join and sort. The work also includes implementation and comparison of some algorithms in standalone .NET library NRank.

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Paper citation in several formats:

Čech, M. and Pokorný, J. (2012). NRank: A Unified Platform Independent Approach for Top-K Algorithms. In Proceedings of the International Conference on Data Technologies and Applications - DATA; ISBN 978-989-8565-18-1; ISSN 2184-285X, SciTePress, pages 111-116. DOI: 10.5220/0003966901110116

@conference{data12,
author={Martin Čech. and Jaroslav Pokorný.},
title={NRank: A Unified Platform Independent Approach for Top-K Algorithms},
booktitle={Proceedings of the International Conference on Data Technologies and Applications - DATA},
year={2012},
pages={111-116},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003966901110116},
isbn={978-989-8565-18-1},
issn={2184-285X},
}

TY - CONF

JO - Proceedings of the International Conference on Data Technologies and Applications - DATA
TI - NRank: A Unified Platform Independent Approach for Top-K Algorithms
SN - 978-989-8565-18-1
IS - 2184-285X
AU - Čech, M.
AU - Pokorný, J.
PY - 2012
SP - 111
EP - 116
DO - 10.5220/0003966901110116
PB - SciTePress