... for discovering semantic correspondences among elements in many data-shared applications. Most of existing schema matching algorithms produce scores between schema elements resulting in discovering only simple matches. Such results partially solve the problem. ...
Publication - alsayed - 07/28/2016 - 08:29 - 0 comments - 0 attachments
... individual matchers and the context of the application. In this paper, we propose a new method for schema matching in which wasteful computation is avoided by a prudent, and objective selection ...
Publication - cat - 07/28/2016 - 08:29 - 0 comments - 1 attachment
... invalid, and as a result, may become non-interpretable. In this paper, we address precisely this problem, validity of data instances ... one component imply semantic changes to other components in the ontology. Third, we propose a validity identification approach that ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 0 attachments
... over the target schema that satisfies the schema mapping. In general, a given source instance may have numerous different solutions. ...
Publication - hartung - 04/17/2013 - 12:16 - 0 comments - 1 attachment
... these data models motivate the research effort we present in this paper. The goal of this work is to bridge relational and ontological worlds, in order to leverage the efficiency and scalability of relational technologies ...
Publication - krlis1337 - 04/17/2013 - 11:49 - 0 comments - 0 attachments
... integration requires data conversions to bring data in different representations into a common form. Key contributions of Clio are ... schema mappings to describe the relationship between data in heterogeneous schemas, a new paradigm in which we view the mapping creation ...
Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments
... It is a key challenge to achieve semantic interoperability in building the Semantic Web. This paper proposes a new generic and adaptive ... both linguistic and structural similarity of ontologies in a vector space model, and then aggregates them using an adaptive method ...
Publication - cat - 04/17/2013 - 11:05 - 0 comments - 0 attachments
... to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative ... logical independence, and auditability of the process. In fact, PRISM exploits recent theoretical results on mapping composition, ...
Publication - krlis1337 - 04/17/2013 - 11:05 - 0 comments - 0 attachments
... alignment identifies semantically matching entities in different ontologies. Various ontology alignment strategies have been ... ontology alignment framework, named RiMOM. The key insight in this framework is that similarity characteristics between ontologies may ...
Publication - george - 04/17/2013 - 10:38 - 0 comments - 0 attachments
... have led to the adoption of data integration systems in order to deal with information extraction from disparate sources. The ... and ontologies has been recognized as a cornerstone issue in bringing in legacy data with formal semantic meaning. However, our knowledge ...
Publication - cat - 04/17/2013 - 09:49 - 0 comments - 0 attachments
... n/a In this paper, we demonstrate an approach for the discovery and validation of n:m schema match in the hierarchical structures like the XML schemata. Basic idea is to propose ...
Publication - cat - 04/17/2013 - 09:49 - 0 comments - 0 attachments
... service oriented computing over the Internet. It consists in matching semantically equivalent concepts coming from heterogeneous data ...
Publication - cat - 04/17/2013 - 08:38 - 0 comments - 1 attachment
... Schema evolution poses serious challenges in historical data management. Traditionally the archival data has been (i) ... or (ii) maintained under the original schema version in which they firstly appeared, leading to a perfect archival quality, but to a ...
Publication - krlis1337 - 04/17/2013 - 07:27 - 0 comments - 0 attachments
... 297.59 KB In this paper, we present YAM, a schema matcher factory. YAM (Yet Another ... apply these tools (similarity measures and classifiers) in concert to achieve the best matching quality. In our demonstration, we will let users apply YAM to build the best schema ...
Publication - cat - 04/17/2013 - 07:16 - 0 comments - 1 attachment
... are yet no mapping systems that support core computations. In this paper we introduce several new algorithms that contribute to bridge the ...
Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments
... Ontology evolution is increasingly gaining momentum in the area of Semantic Web research. Current approaches target the evolution in terms of either content, or change management, without covering both aspects ...
Publication - cat - 04/17/2013 - 05:49 - 0 comments - 0 attachments
... differences between (two) versions of the same ontology in order to store or visualize their deltas is a challenging task for e-science. In this paper, we focus on languages allowing the formulation of concise and ...
Publication - cat - 04/17/2013 - 05:49 - 0 comments - 1 attachment
... 1 - 9 In this paper, we describe a machine learning approach to ontology mapping. ... Machine learning techniques have been used earlier in many semantic integration approaches, dependence on precision recall curves ...
Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments
... the matching quality. Our method has been implemented in ontology matching system Lily. Experimental results demonstrate that this ...
Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments
... existing ontology matching tools are not well scalable. In this paper, we present the Malasco system, which serves as a frame- work ...
Publication - george - 04/17/2013 - 05:05 - 0 comments - 1 attachment
... ontologies. Here we assume, an ontology is typically given in RDF (Resource Description Framework) or OWL (Web Ontology Language) and can ... ontologies, where N denotes the average number of nodes in each ontology. Our proposed algorithm called Anchor-Flood algorithm, ...
Publication - george - 04/17/2013 - 04:38 - 0 comments - 0 attachments
... Web by combining the easiness of annotation of resources in the Social Web and the expressiveness of ontologies to describe the resources in the Semantic Web. Our approach combines ontology learning and ontology ...
Publication - cat - 04/17/2013 - 04:05 - 0 comments - 1 attachment
... that it does not contain semantic inconsistencies. In this paper,we describe the ASMOV algorithm, and then present experimental ...
Publication - cat - 04/17/2013 - 03:49 - 0 comments - 1 attachment
... Proc. 2nd OOPSLA Workshop on Hot Topics in Software Upgrades URL: ... This paper describes Edition-Based Redefinition (EBR) in the Oracle database --- a novel technology and methodology to build database ...
Publication - cat - 04/17/2013 - 03:38 - 0 comments - 1 attachment
... using the pre-upgrade application, it can be retired. In other words, the application as a whole enjoys hot rollover from the ...
Publication - cat - 04/17/2013 - 03:38 - 0 comments - 1 attachment
