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22 produkter
22 produkter
Häftad, Engelska, 2014
450 kr
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This book constitutes the refereed proceedings of the 10th International Conference on Data Integration in the Life Sciences, DILS 2014, held in Lisbon, Portugal, in July 2014. The 9 revised full papers and the 5 short papers included in this volume were carefully reviewed and selected from 20 submissions. The papers cover a range of important topics such as data integration platforms and applications; biodiversity data management; ontologies and visualization; linked data and query processing.
E-bok
PDF, Engelska, 2014551 kr
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This book constitutes the refereed proceedings of the 10th International Conference on Data Integration in the Life Sciences, DILS 2014, held in Lisbon, Portugal, in July 2014. The 9 revised full papers and the 5 short papers included in this volume were carefully reviewed and selected from 20 submissions. The papers cover a range of important topics such as data integration platforms and applications; biodiversity data management; ontologies and visualization; linked data and query processing.
E-bok
PDF, Tyska, 2013565 kr
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Häftad, Tyska, 1993
559 kr
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Transaktionssysteme sind in der kommerziellen Datenverarbeitung weit verbreitet. Gerade wegen ihrer okonomischen Bedeutung spielen zunehmend Leistungsanforderungen eine Rolle, die nur von sogenannten Hochleistungs-Transaktionssystemen erfullt werden konnen. Das Buch zeigt, welche neueren Systementwicklungen bei Hochleistungs-Transaktionssystemen zu beachten sind. Die Darstellung konzentriert sich auf die Datenbankaspekte, insbesondere auch die von Mehrrechner-Systemen. Stets im Auge behalten wird, dass die grundlegenden Konzepte und Methoden dem Leser verstandlich vermittelt werden. Das Buch richtet sich an Studenten, DB-Praktiker und Informatiker an Hochschulen und in der Industrie, die an dem State-of-the-Art und neueren Entwicklungen von Transaktions- und Datenbanksystemen interessiert sind.
Häftad, Engelska, 2003
561 kr
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This book constitutes the thoroughly refereed post-proceedings of the Web- and Database-Related Workshops held during the NetObjectDays international conference NODe 2002, in Erfurt, Germany, in October 2002.The 19 revised full papers presented together with 3 keynote papers were carefully selected during 2 rounds of reviewing and improvement. The papers are organized in topical sections on advanced Web-services, UDDI extensions, description and classification of Web services, applications based on Web-services, indexing and accessing, Web and XML databases, mobile devices and the Internet, and XML query languages.
Häftad, Engelska, 2003
561 kr
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This book constitutes the refereed proceedings of the First International XML Database Symposium, XSym 2003, held in Berlin, Germany in September 2003.The 18 revised full papers presented were carefully reviewed and selected from 65 submissions. The papers are organized in topical sections on XML-relational database management systems, XML query processing, systems and tools for XML data processing, XML access structures, stream processing and updates, and design issues.
Häftad, Engelska, 2004
544 kr
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DILS 2004 (Data Integration in the Life Sciences) is a new bioinformatics wo- shop focusing on topics related to data management and integration. It was motivated by the observation that new advances in life sciences, e. g. , molecular biology, biodiversity, drug discovery and medical research, increasingly depend on bioinformatics methods to manage and analyze vast amounts of highly - verse data. Relevant data is typically distributed across many data sources on the Web and is often structured only to a limited extent. Despite new inter- erability technologies such as XML and web services, integration of data is a highly di?cult and still largely manual task, especially due to the high degree of semantic heterogeneity and varying data quality as well as speci?c application requirements. The call for papers attracted many submissions on the workshop topics. - ter a carefulreviewing processthe internationalprogramcommittee accepted 13 long and 2 short papers which are included in this volume. They cover a wide spectrum of theoretical and practical issues including scienti?c/clinical wo- ?ows, ontologies, tools/systems, and integration techniques.DILS 2004 also f- tured two keynote presentations, by Dr. Thure Etzold (architect of the leading integration platform SRS, and president of Lion Bioscience, Cambridge, UK) and Prof. Dr. Svante Pa...abo (Director, Max Planck Institute for Evolutionary Anthropology, Leipzig). The workshop took place during March 25-26, 2004, in Leipzig, Germany, and was organized by the Interdisciplinary Bioinformatics Center (IZBI) of the Universityof Leipzig.
E-bok
PDF, Engelska, 2004687 kr
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E-bok
PDF, Engelska, 2003714 kr
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This book constitutes the thoroughly refereed post-proceedings of the Web- and Database-Related Workshops held during the NetObjectDays international conference NODe 2002, in Erfurt, Germany, in October 2002.
The 19 revised full papers presented together with 3 keynote papers were carefully selected during 2 rounds of reviewing and improvement. The papers are organized in topical sections on advanced Web-services, UDDI extensions, description and classification of Web services, applications based on Web-services, indexing and accessing, Web and XML databases, mobile devices and the Internet, and XML query languages.
E-bok
PDF, Engelska, 2003718 kr
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The Extensible Markup Language (XML) is playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere. The database c- munity is interested in XML because it can be used to represent a variety of data f- mats originating in different kinds of data repositories while providing structure and the possibility to add type information. The theme of this symposium is the combination of database and XML te- nologies. Today, we see growing interest in using these technologies together for many Web-based and database-centric applications. XML is being used to publish data from database systems on the Web by providing input to content generators for Web pages, and database systems are increasingly being used to store and query XML data, often by handling queries issued over the Internet. As database systems incre- ingly start talking to each other over the Web, there is a fast-growing interest in using XML as the standard exchange format for distributed query processing. As a result, many relational database systems export data as XML documents, import data from XML documents, provide query and update capabilities for XML data. In addition, so-called native XML database and integration systems are appearing on the database market, and it’s claimed that they are especially tailored to store, maintain and easily access XML documents.
Inbunden, Tyska, 2001
628 kr
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Häftad, Tyska, 1988
576 kr
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Das Buch behandelt in systematischer und praxisorientierter Weise den Entwurf sowie die Leistungsbewertung von Synchronisationsverfahren in Mehrrechner-Datenbanksystemen. Nach einer Klassifikation von Mehrrechner-Datenbanksystemen werden zunachst die wichtigsten Synchronisationstechniken fur zentralisierte und verteilte Datenbanksysteme dargestellt und miteinander verglichen. Im Mittelpunkt der Uberlegungen stehen dann geeignete Synchronisationskonzepte (wie Sperrverfahren und optimistische Protokolle) fur sogenannte DB-Sharing-Systeme, welche eine allgemeine Mehrrechnerarchitektur zur Realisierung von Hochleistungs-Transaktionssystemen verkorpern. Fur DB-Sharing werden neben der Realisierung der Synchronisationskomponente auch fur neue Anforderungen bezuglich Systempufferverwaltung, Logging, Recovery und Lastkontrolle koordinierte Losungsmoglichkeiten angegeben. Zur quantitativen und realitatsnahen Leistungsanalyse von sechs Synchronisationsprotokollen wurde ein Trace-getriebenes Simulationssystem entwickelt, in dem alle wesentlichen Komponenten eines Mehrrechner-Datenbanksystems detailliert berucksichtigt sind.Das Buch gibt einen fundierten Uberblick uber den Stand der Wissenschaft im Bereich der Synchronisation in zentralisierten und Mehrrechner-Datenbanksystemen und zeigt neue Techniken zur Realisierung kunftiger Hochleistungs-Transaktionssysteme auf.
Inbunden, Engelska, 2011
1 114 kr
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Requiring heterogeneous information systems to cooperate and communicate has now become crucial, especially in application areas like e-business, Web-based mash-ups and the life sciences. Such cooperating systems have to automatically and efficiently match, exchange, transform and integrate large data sets from different sources and of different structure in order to enable seamless data exchange and transformation. The book edited by Bellahsene, Bonifati and Rahm provides an overview of the ways in which the schema and ontology matching and mapping tools have addressed the above requirements and points to the open technical challenges. The contributions from leading experts are structured into three parts: large-scale and knowledge-driven schema matching, quality-driven schema mapping and evolution, and evaluation and tuning of matching tasks. The authors describe the state of the art by discussing the latest achievements such as more effective methods for matching data, mapping transformation verification, adaptation to the context and size of the matching and mapping tasks, mapping-driven schema evolution and merging, and mapping evaluation and tuning. The overall result is a coherent, comprehensive picture of the field.With this book, the editors introduce graduate students and advanced professionals to this exciting field. For researchers, they provide an up-to-date source of reference about schema and ontology matching, schema and ontology evolution, and schema merging.
E-bok
PDF, Engelska, 20111 420 kr
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Requiring heterogeneous information systems to cooperate and communicate has now become crucial, especially in application areas like e-business, Web-based mash-ups and the life sciences. Such cooperating systems have to automatically and efficiently match, exchange, transform and integrate large data sets from different sources and of different structure in order to enable seamless data exchange and transformation.
The book edited by Bellahsene, Bonifati and Rahm provides an overview of the ways in which the schema and ontology matching and mapping tools have addressed the above requirements and points to the open technical challenges. The contributions from leading experts are structured into three parts: large-scale and knowledge-driven schema matching, quality-driven schema mapping and evolution, and evaluation and tuning of matching tasks. The authors describe the state of the art by discussing the latest achievements such as more effective methods for matching data, mapping transformation verification, adaptation to the context and size of the matching and mapping tasks, mapping-driven schema evolution and merging, and mapping evaluation and tuning. The overall result is a coherent, comprehensive picture of the field.
With this book, the editors introduce graduate students and advanced professionals to this exciting field. For researchers, they provide an up-to-date source of reference about schema and ontology matching, schema and ontology evolution, and schema merging.
Häftad, Engelska, 2013
1 169 kr
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Requiring heterogeneous information systems to cooperate and communicate has now become crucial, especially in application areas like e-business, Web-based mash-ups and the life sciences. Such cooperating systems have to automatically and efficiently match, exchange, transform and integrate large data sets from different sources and of different structure in order to enable seamless data exchange and transformation. The book edited by Bellahsene, Bonifati and Rahm provides an overview of the ways in which the schema and ontology matching and mapping tools have addressed the above requirements and points to the open technical challenges. The contributions from leading experts are structured into three parts: large-scale and knowledge-driven schema matching, quality-driven schema mapping and evolution, and evaluation and tuning of matching tasks. The authors describe the state of the art by discussing the latest achievements such as more effective methods for matching data, mapping transformation verification, adaptation to the context and size of the matching and mapping tasks, mapping-driven schema evolution and merging, and mapping evaluation and tuning. The overall result is a coherent, comprehensive picture of the field.With this book, the editors introduce graduate students and advanced professionals to this exciting field. For researchers, they provide an up-to-date source of reference about schema and ontology matching, schema and ontology evolution, and schema merging.
Häftad, Tyska, 2015
421 kr
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Das Buch vermittelt umfassende Grundlagen moderner Techniken des verteilten und parallelen Datenmanagements, die das Fundament moderner Informationssysteme bilden.
E-bok
PDF, Tyska, 2015318 kr
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Das Buch vermittelt umfassende Grundlagen moderner Techniken des verteilten und parallelen Datenmanagements, die das Fundament moderner Informationssysteme bilden. Ausgehend von einer Betrachtung der Architekturvarianten, die sich aus verteilten sowie parallelen Hardwareinfrastrukturen ergeben, werden die Bereiche Datenverteilung, Anfrageverarbeitung sowie Konsistenzsicherung behandelt. Hierbei werden jeweils Verfahren und Techniken für klassische verteilte, parallele sowie moderne massiv-verteilte bzw. massiv-parallele Architekturen vorgestellt und hinsichtlich ihrer Eigenschaften diskutiert. Damit schlagen die Autoren die Brücke zwischen klassischen Verfahren und aktuellen Entwicklungen im Cloud- und Big Data-Umfeld.
E-bok
PDF, Tyska, 2013393 kr
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E-bok
PDF, Tyska, 2013582 kr
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E-bok
PDF, Tyska, 2013566 kr
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Häftad, Tyska, 2012
576 kr
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Das Buch bietet eine umfassende und aktuelle Darstellung der Konzepte und Techniken zur Implementierung von Datenbanksystemen. Ausgangspunkt ist ein hierarchisches Architekturmodell: Die Schichten dieses Modells ermoglichen es, den Systemaufbau, die Einordnung der bereitzustellenden Funktionen und ihr Zusammenspiel detailliert zu beschreiben. Es werden alle Aspekte der Datenabbildung mit den erforderlichen Algorithmen und Datenstrukturen behandelt, also vor allem Externspeicherabbildung, Realisierung von Speicherungsstrukturen und Zugriffspfaden sowie die Ableitung logischer Sichten. Neben der Datenabbildung, in deren Aufgaben sich Speicher-, Zugriffs- und Datensystem teilen, steht als zweiter Schwerpunkt des Buches das Transaktionskonzept und seine Erweiterungen. Dabei werden insbesondere alle Funktionen zur Synchronisation des Mehrbenutzerbetriebs und zur Wiederherstellung der Datenbank im Fehlerfall (Logging und Recovery) dargestellt.
Häftad, Tyska, 2026
676 kr
Kommande
Das Lehrbuch vermittelt umfassende Grundlagen moderner Techniken des verteilten und parallelen Datenmanagements, die das Fundament moderner Informationssysteme bilden. Ausgehend von einer Betrachtung der Architekturvarianten, die sich aus verteilten sowie parallelen Hardwareinfrastrukturen ergeben, werden die Bereiche Datenverteilung, Anfrageverarbeitung sowie Konsistenzsicherung behandelt. Hierbei werden jeweils Verfahren und Techniken für klassische verteilte, parallele sowie moderne massiv-verteilte bzw. massiv-parallele Architekturen vorgestellt und hinsichtlich ihrer Eigenschaften diskutiert. Damit schlagen die Autoren die Brücke zwischen klassischen Verfahren und aktuellen Entwicklungen im Cloud- und Big Data-Umfeld. Die neue und aktualisierte Auflage erweitert den Inhalt mit den Themen Blockchain und Datenintegration. Der Inhalt - Architekturen für verteiltes und paralleles Datenmanagement- Katalogverwaltung und Datenverteilung- Verteilte und parallele Anfrageverarbeitung, parallele Analyse großer Datenmengen - Synchronisation und Replikation- Blockchain - Transaktionsverarbeitung für Shared Storage- Konsistenz in Cloud-Datenbanken- Heterogene Datenbanken, Datenintegration Die Zielgruppen- Bachelor- und Masterstudierende der Informatik