Results 1 - 10 of 71

Answering complex SQL queries using automatic summary tables

by Markos Zaharioudakis, Roberta Cochrane, George Lapis, Hamid Pirahesh, Monica Urata - In SIGMOD , 2000
"... We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (possibly user-defined) functions, aggregation (often along multiple dimensions), and nested subqueries. Given the complexit ..."
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We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (possibly user-defined) functions, aggregation (often along multiple dimensions), and nested subqueries. Given

Object/relational query optimization with chase

by Lucian Popa
"... and backchase ..."
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and backchase

DOI 10.1007/s00778-012-0302-x SPECIAL ISSUE PAPER Automating the database schema evolution process

by Carlo Curino, Hyun Jin, Moon Alin Deutsch, Carlo Zaniolo, C. Curino (b, H. J. Moon, A. Deutsch, C. Zaniolo
"... Abstract Supporting database schema evolution repre-sents a long-standing challenge of practical and theoretical importance for modern information systems. In this paper, we describe techniques and systems for automating the critical tasks of migrating the database and rewriting the legacy applicati ..."
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legacy queries and updates under schema and integrity constraints evolution. The PRISM/PRISM++ approach consists in providing the users with a set of SQL-based Schema Modification Opera-tors (SMOs), which describe how the tables in the old schema are modified into those in the new schema. In order to sup

Using BubbleStorm Accepted Master-Thesis from Marcel Lucas

by Assessor Prof Alej, Ro P. Buchmann, Ph. D
"... Hiermit versichere ich, die vorliegende Master-Thesis ohne Hilfe Dritter nur mit den angegebenen Quellen und Hilfsmitteln angefertigt zu haben. Alle Stellen, die aus Quellen entnommen wurden, sind als solche kenntlich gemacht. Diese Arbeit hat in gleicher oder ähnlicher Form noch keiner Prüfungsbehö ..."
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NVEs. The unstructured P2P system BubbleStorm offers flexible and scalable means and is therefore used as a fundamental base for the developed Pub/Sub system. As the evaluation of the subscription is performed

hardware and mobile web technology Master of Science Thesis in Programme Computer Systems and Networks

by Tomas Ohlson, Tomas Ohlson , 2013
"... Digitising statistics handling through ..."
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Digitising statistics handling through

POUR L'OBTENTION DU GRADE DE DOCTEUR ÈS SCIENCES PAR

by Dominique Tschopp, Prof E. Telatar, Prof S. Diggavi, Prof M. Grossglauser, Prof J. -y, Le Boudec, Prof M. Mitzenmacher, Prof S. Shakkottai
"... 2010 to my wife, Joyce, and my family...- Résumé- ..."
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2010 to my wife, Joyce, and my family...- Résumé-

Thesis Advisor Accepted by.......Gakenhimer..

by Gregory A. Rossel, Fiichael J. Shiffer, Ralph Gakenheimer, Gregory A. Rossel
"... ussRaNIte ..."
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Abstract not found

Saskatoon By

by Dmytro Dyachuk
"... In presenting this thesis in partial fulfilment of the requirements for a Postgraduate degree ..."
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In presenting this thesis in partial fulfilment of the requirements for a Postgraduate degree

A Survey of the Semantic Specification of Sensors

by Core Scholar, Michael Compton, Cory Andrew Henson, Laurent Lefort, Holger Neuhaus, Amit P. Sheth, Michael Compton, Cory Henson, Laurent Lefort, Holger Neuhaus, Amit Sheth
"... Abstract. Semantic sensor networks use declarative descriptions of sen-sors promote reuse and integration, and to help solve the difficulties of installing, querying and maintaining complex, heterogeneous sensor net-works. This paper reviews the state of the art for the semantic specifi-cation of se ..."
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Abstract. Semantic sensor networks use declarative descriptions of sen-sors promote reuse and integration, and to help solve the difficulties of installing, querying and maintaining complex, heterogeneous sensor net-works. This paper reviews the state of the art for the semantic specifi-cation

Name:

by Vorgelegt Am Januar, Oliver Schneider, Fachbereich Informatik, Oliver Schneider Contents
"... ..."
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Results 1 - 10 of 71