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Browsing by Author "Naumann, Felix"
Now showing items 1-20 of 41
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2005-01-01Konferenzveröffentlichung(Almost) Hands-Off Information Integration for the Life Sciences Leser, Ulf; Naumann, FelixData integration in complex domains, such as the life sciences, involves either manual data curation, offering highest information quality at highest price, or follows a schema integration and mapping approach, leading to ...
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2000-07-01KonferenzveröffentlichungApproximate tree embedding for querying XML data Schlieder, Torsten; Naumann, FelixQuerying heterogeneous collections of data-centric XML documents requires a combination of database languages and concepts used in information retrieval, in particular similarity search and ranking. In this paper we present ...
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2005-04-19BuchAssessment Methods for Information Quality Criteria Naumann, Felix; Rolker, Claudia
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2000-10-01KonferenzveröffentlichungAssessment methods for Information Quality Criteria Naumann, Felix; Rolker, ClaudiaInformation quality (IQ) is one of the most important aspects of information integration on the Internet. Many projects realize and address this fact by gathering and classifying IQ criteria. Hardly ever do the projects ...
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2005-09-01KonferenzveröffentlichungAutomatic Data Fusion with HumMer Bilke, Alexander; Bleiholder, Jens; Böhm, Christoph; Draba, Karsten; Naumann, Felix; Weis, MelanieHeterogeneous and dirty data is abundant. It is stored under different, often opaque schemata, it represents identical real-world objects multiple times, causing duplicates, and it has missing values and conflicting ...
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2003-09-05Berichte und sonstige TexteBrain-Gain Naumann, FelixIndustrieforschung, Auslandsaufenthalte, Habilitationszwang: Alternativen und Hindernisse halten junge Wissenschaftler von einer akademischen Laufbahn ab. Die DFG versucht mit ihrem "Aktionsplan Informatik" diesem Trend ...
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2005-04-19BuchCompleteness of Information Sources Naumann, Felix; Freytag, Johann-Christoph
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2003-01-01KonferenzveröffentlichungCompleteness of Information Sources Naumann, Felix; Freytag, Johann-Christoph; Leser, UlfInformation quality plays a crucial role in every application that integrates data from autonomous sources. However, information quality is hard to measure and complex to consider for the tasks of information integration, ...
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2004-02-05ZeitschriftenartikelCompleteness of integrated Information Sources Naumann, Felix; Freytag, Johann-Christoph; Leser, UlfFor many information domains there are numerous World Wide Web data sources. The sources vary both in their extension and their intension: They represent different real-world entities with possible overlap and provide ...
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2006-04-12BuchConflict Handling Strategies in an Integrated Information System Bleiholder, Jens; Naumann, FelixIntegrated information systems provide users and applications with a unified view of heterogeneous data sources. To provide a single consistent result for every object represented in these data sources, data fusion is ...
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2000-12-01KonferenzveröffentlichungCooperative Query Answering with Density Scores Naumann, Felix; Leser, Ulf
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1998-11-01KonferenzveröffentlichungData Fusion and Data Quality Naumann, Felix
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2003-11-01KonferenzveröffentlichungData Quality in Genome Databases Müller, Heiko; Naumann, Felix; Freytag, Johann-ChristophGenome databases store data about molecular biological entities such as genes, proteins, diseases, etc. The main purpose of creating and maintaining such databases in commercial organizations is their importance in the ...
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2005-09-01KonferenzveröffentlichungDeclarative Data Fusion Bleiholder, Jens; Naumann, FelixIn today's integrating information systems data fusion, i.e., the merging of multiple tuples about the same real-world object into a single tuple, is left to ETL tools and other specialized software. While much attention ...
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2002-11-01KonferenzveröffentlichungDeclarative Data Merging with Conflict Resolution Naumann, Felix; Häussler, MatthiasDatabase integration is a growing and increasingly important field in both research and industry. Integration requires many steps from initial schema integration and schema mapping, to data scrubbing and cleansing, and ...
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2004-06-01KonferenzveröffentlichungDetecting Duplicate Objects in XML Documents Weis, Melanie; Naumann, Felix
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1999-10-01KonferenzveröffentlichungDo Metadata Models meet IQ Requirements? Naumann, Felix; Rolker, Claudia
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2005-06-01KonferenzveröffentlichungDogmatiX Tracks down Duplicates in XML Weis, Melanie; Naumann, FelixDuplicate detection is the problem of detecting different entries in a data source representing the same real-world entity. While research abounds in the realm of duplicate detection in relational data, there is yet little ...
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2006-04-01KonferenzveröffentlichungEfficiently Computing Inclusion Dependencies for Schema Discovery Bauckmann, Jana; Leser, Ulf; Naumann, FelixLarge data integration projects must often cope with undocumented data sources. Schema discovery aims at automatically finding structures in such cases. An important class of relationships between attributes that can be ...
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2001-11-01KonferenzveröffentlichungFrom Databases to Information Systems Naumann, FelixResearch and business is currently moving from centralized databases towards information systems integrating distributed and autonomous data sources. Simultaneously, it is a well acknowledged fact that ...