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20 results

Results

GOMMA Results for OAEI 2012

... Gross, A; Hartung, M; Kirsten, T; Rahm, E ... Groß, A Hartung, M ... focus of GOMMA has been the life science domain but as a generic tool it can also match ontologies from other areas. It could thus ...

Publication - cat - 01/21/2018 - 12:06 - 0 comments - 1 attachment

(Not) yet another matcher

... Discovering correspondences between schema elements is a crucial task for data integration. Most schema matching tools are ... results often decrease when one requires to integrate a new similarity measure or when matching particular domain schemas. This paper ...

Publication - cat - 04/17/2013 - 07:38 - 0 comments - 1 attachment

An Extendable Meta-learning Algorithm for Ontology Mapping

... 1 - 9 In this paper, we describe a machine learning approach to ontology mapping. Although Machine learning ... weights and thresholds of the learning systems has been a serious bottleneck. By recasting the mapping problem to a classification ...

Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments

Information Systems Integration and Evolution: Ontologies at Rescue

... Curino, Carlo A.; Tanca, Letizia; Zaniolo, Carlo ... 472.64 KB The life of a modern Information System is often characterized by (i) a push toward integration with other systems, and (ii) the evolution of its ...

Publication - krlis1337 - 04/17/2013 - 04:49 - 0 comments - 1 attachment

A Model for Schema Integration in Heterogeneous Databases

... Gal, A.; Trombetta, A.; Anaby-Tavor, A.; Montesi, D. ...

Publication - avigal - 04/17/2013 - 03:05 - 0 comments - 1 attachment

Evaluation of Similarity Measures for Ontology Mapping

... similarities that have been used in previous systems. As a result, we extracted twenty-two effective similarity measures for identifying ...

Publication - cat - 04/16/2013 - 10:05 - 0 comments - 0 attachments

Oasis: A Mapping and Integration Framework for Biomedical Ontologies

... often overlap with other entities in other ontologies, a mapping between two corresponding terms is required and becoming the key to the integration of heterogeneous ontologies. Based on a previously developed schema matching algorithm, this paper presents a ...

Publication - cat - 04/16/2013 - 09:05 - 0 comments - 0 attachments

X-SOM: Ontology Mapping and Inconsistency Resolution

... Curino, Carlo A.; Orsi, Giorgio; Tanca, Letizia ... of this high precision mapping tool is twofold: (i) a modular and extensible architecture that automatically combines several matching techniques by means of a neural network,and (ii) a subsystem for the (semi)-automatic resolution of ...

Publication - krlis1337 - 04/16/2013 - 09:05 - 0 comments - 0 attachments

Defining the XML Schema Matching Problem for a Personal Schema Based Query Answering System

... combined schema and data information. Tag nesting enabled a simple representation of hierarchical relations. Such enrichments sparked off a new wave of research on how to improve querying and searching of data ...

Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments

A Self-Configuring Schema Matching System

... Mapping complex metadata structures is crucial in a number of domains such as data integration, ontology alignment or model ... to compute mapping suggestions that can be corrected by a user. However, constructing and tuning match strategies still requires a high ...

Publication - cat - 04/16/2013 - 03:49 - 0 comments - 1 attachment

Managing Schema Mappings in Highly Heterogeneous Environments

... are familiar with the semantics of the data and have a good knowledge of the transformation language. The task of generating and ... task of mapping management. In particular, we present a novel framework for generating mappings between any combination of XML and ...

Publication - cat - 04/16/2013 - 02:38 - 0 comments - 0 attachments

Heptox: Heterogeneous Peer to Peer XML Databases

... Bonifati, A Chang, Q ... 1 - 9 We study a collection of heterogeneous XML databases maintaining similar and related ...

Publication - massmann - 04/16/2013 - 01:05 - 0 comments - 0 attachments

An evolution-based approach for assessing ontology mappings - A case study in the life sciences

... Thor, A; Hartung, M; Gross, A; Kirsten, T; Rahm, E Author:  ...

Publication - hartung - 04/16/2013 - 00:16 - 0 comments - 1 attachment

Matching hierarchies using shared objects

... hierarchies relate. We present two algorithms that, given a hierarchy with known facets (attribute-value pairs that define what objects are placed under an edge), determine feasible facets for a second hierarchy, based on shared objects. One algorithm is rule-based and ...

Publication - cat - 04/16/2013 - 00:16 - 0 comments - 0 attachments

Estimating the Quality of Ontology-Based Annotations by Considering Evolutionary Changes

... Gross, A; Hartung, M; Kirsten, T; Rahm, E ... Gross, A Hartung, M ... To study the quality of annotations we propose a generic evaluation approach considering the annotation generation methods ...

Publication - hartung - 04/15/2013 - 23:38 - 0 comments - 0 attachments

A maximum likelihood framework for integrating taxonomies

... proposed for the of mapping categories (classes) from a source to classes in a master taxonomy. Most of techniques, however, ignore the hierarchical ...

Publication - cat - 04/15/2013 - 23:05 - 0 comments - 1 attachment

Simplifying Information Integration: Object-Based Flow-of-Mappings Framework for Integration

... execution of schema mappings. We now use Clio as part of a broader data-flow framework in which mappings are just one component. These ... we describe how we use Unified Famous Objects (UFOs), a schema abstraction similar to business objects, as our data model, how we ...

Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments

Evolution of the COMA match system

... COMA and COMA++ are widely used in the community as a basis for comparison of new match approaches. We give an overview of the ... the design and functionality of the upcoming COMA 3.0. (Generic match appr.) ...

Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment

Using the UMLS Semantic Network to Validate NCI Thesaurus Structure and Analyze its Alignment with the OBO Relations Ontology

... nodes in the UMLS Semantic Network (SN). Adapting a process previously used to refine relationship definitions in the UMLS ...

Publication - cat - 04/15/2013 - 20:49 - 0 comments - 0 attachments

Evaluation of Ontology-based Tools

... context-aware adaptation of Internet services in a mobile computing environment. The CARE hybrid reasoning mechanism is based on a loose interaction between ontological reasoning and efficient reasoning in a ...

Publication - admin - 04/15/2013 - 20:16 - 0 comments - 0 attachments