{"id":{"repo_id":"passau-thes","oai_identifier":"oai:kobv.de-opus4-uni-passau:24"},"canonical_url":"https://search.dev.ndltd.org/etd/passau-thes/oai:kobv.de-opus4-uni-passau:24","repository":{"repo_id":"passau-thes","name":"Universität Passau","base_url":"https://opus4.kobv.de/opus4-uni-passau/oai"},"display":{"title":"Quality of Service and Optimization in Data Integration Systems","abstract":"This work presents techniques for the construction of a global data integrations system. Similar to distributed databases this system allows declarative queries in order to express user-specific information needs. Scalability towards global data integration systems and openness were major design goals for the architecture and techniques developed in this work. It is shown how service composition, extensibility and quality of service can be supported in an open system of providers for data, functionality for query processing operations, and computing power.","abstract_html":"This work presents techniques for the construction of a global data integrations system. Similar to distributed databases this system allows declarative queries in order to express user-specific information needs. Scalability towards global data integration systems and openness were major design goals for the architecture and techniques developed in this work. It is shown how service composition, extensibility and quality of service can be supported in an open system of providers for data, functionality for query processing operations, and computing power.","abstract_has_math":false,"creators":["Braumandl, Reinhard"],"institution":"Universität Passau","degree_name":null,"degree_level":"thesis.doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":["Kemper, Alfons"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002-02-28","date_published":"2002-02-28","updated_at":"2026-07-24T03:44:57Z","subjects":["QoS","Anfrageauswertung","verteilte Systeme","mobiler Code","Java","verteilte Datenbanken","Anfrageoptimierung","offene Systeme","Skalierbarkeit"],"languages":[],"rights":["Standardbedingung laut Einverständniserklärung"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://opus4.kobv.de/opus4-uni-passau/frontdoor/index/index/docId/24","outbound_label":"Repository record","outbound_source":"source_url"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Kemper, Alfons"]},{"key":"dc:creator","label":"Author","values":["Braumandl, Reinhard"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:publisher","label":"Institution","values":["Universität Passau"]},{"key":"dc:type","label":"Dc Type","values":["doctoralThesis"]},{"key":"thesis:degree_level","label":"Degree Level","values":["thesis.doctoral"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Universität Passau"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["QoS","Anfrageauswertung","verteilte Systeme","mobiler Code","Java","verteilte Datenbanken","Anfrageoptimierung","offene Systeme","Skalierbarkeit"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["Standardbedingung laut Einverständniserklärung"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This work presents techniques for the construction of a global data integrations system. Similar to distributed databases this system allows declarative queries in order to express user-specific information needs. Scalability towards global data integration systems and openness were major design goals for the architecture and techniques developed in this work. It is shown how service composition, extensibility and quality of service can be supported in an open system of providers for data, functionality for query processing operations, and computing power.","Diese Arbeit präsentiert Techniken für den Aufbau eines globalen Datenintegrationssystems. Analog zu verteilten Datenbanken unterstützt dieses System deklarative Anfragen, mit denen Benutzer die gesuchte Information beschreiben können. Die Skalierbarkeit in einem globalen Kontext und die Offenheit waren hauptsächliche Entwicklungsziele der Architektur und der Techniken, die in dieser Arbeit entstanden sind. Es wird gezeigt wie Dienstekomposition, Erweiterbarkeit und Dienstgüte in einem offenen System von Anbietern für Daten, Anfrageverarbeitungsfunktionalität und Rechenleistung unterstützt werden können."]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Quality of Service and Optimization in Data Integration Systems"]}]}],"canonical_facts":{"dc:contributor":["Kemper, Alfons"],"dc:creator":["Braumandl, Reinhard"],"dc:description.abstract":["This work presents techniques for the construction of a global data integrations system. Similar to distributed databases this system allows declarative queries in order to express user-specific information needs. Scalability towards global data integration systems and openness were major design goals for the architecture and techniques developed in this work. It is shown how service composition, extensibility and quality of service can be supported in an open system of providers for data, functionality for query processing operations, and computing power.","Diese Arbeit präsentiert Techniken für den Aufbau eines globalen Datenintegrationssystems. Analog zu verteilten Datenbanken unterstützt dieses System deklarative Anfragen, mit denen Benutzer die gesuchte Information beschreiben können. Die Skalierbarkeit in einem globalen Kontext und die Offenheit waren hauptsächliche Entwicklungsziele der Architektur und der Techniken, die in dieser Arbeit entstanden sind. Es wird gezeigt wie Dienstekomposition, Erweiterbarkeit und Dienstgüte in einem offenen System von Anbietern für Daten, Anfrageverarbeitungsfunktionalität und Rechenleistung unterstützt werden können."],"dc:format.medium":["application/pdf"],"dc:publisher":["Universität Passau"],"dc:rights":["Standardbedingung laut Einverständniserklärung"],"dc:subject":["QoS","Anfrageauswertung","verteilte Systeme","mobiler Code","Java","verteilte Datenbanken","Anfrageoptimierung","offene Systeme","Skalierbarkeit"],"dc:title":["Quality of Service and Optimization in Data Integration Systems"],"dc:type":["doctoralThesis"],"thesis:degree_level":["thesis.doctoral"],"thesis:institution_name":["Universität Passau"]},"updated_at":"2026-07-24T03:44:57Z"}