... Although there is already a lot of research done in this area, there are still many open questions. In this paper we try to classify the problems that may arise into a common ...
Publication - admin - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... and collaborative process, developers face challenges in managing multiple ontologies, including comparing, aligning, and merging ... different formalisms. The uniform framework presented in this article assists users with these tasks by leveraging data and algorithms developed for one tool in other tools. (Journal, no paper type, Ontology Alignment, Ontology ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... base for doing more complex transformations as well. In this paper, we look at database middleware systems as tranformation engines, ...
Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment
... 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
... Venue: In Proceedings of VLDB, pages 598--609, 2002 ... Mapping and translating data stored in dierent formats continues to be an important problem in modern information ...
Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments
... 100 - 499 In this paper we describe a new approach to data integration which subsumes the ...
Publication - cat - 04/17/2013 - 07:16 - 0 comments - 0 attachments
... must thus be created manually on a case-by-case basis. In this paper, we explore the problem of how to automate the transformation of ...
Publication - cat - 04/16/2013 - 22:27 - 0 comments - 1 attachment
... when two agents or services use different ontologies. In the existing literature, the focus has so far been on improving the ... than existing prominent approaches. Then, we show in experiments that this theoretical investigation translates into practical ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... A broad spectrum of data is available on the Web in distinct heterogeneous sources, and stored under different formats. ... and conversion mechanisms increases greatly. In this paper we present a new translation system, based on ...
Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment
... are ample sources that provide structured information in the same domains (e.g., books and automobiles). Second, while sources ... demonstrate our approach over hundreds of real Web sources in four domains and the results show good accuracy. (Sigmod / VLDB, Web ...
Publication - admin - 04/16/2013 - 17:05 - 0 comments - 1 attachment
... 266.26 KB In a multidatabase system, schematic conflicts between two objects are ... content at the federation level are modeled as changes in the context and the associated schema correspondences. We try to reconcile ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... KB Ontology alignment is a prerequisite in order to allow for interoperation between different ontologies and many ... of substrategies from which they have been built. In fact, scrutinizing current ontology alignment methods, one may recognize ... by machine learning approaches. APFEL compares favorably in our experiments to competing approaches. (Conference, Ontology ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... , new tools for automating the process were proposed.In this work we present a formal model of semantic reconciliation and analyze in a systematic manner the properties of the process outcome, primarily the ...
Publication - admin - 04/16/2013 - 13:16 - 0 comments - 1 attachment
... enterprise intranets) do not require full integration in order to provide useful services, motivating a pay-as-you-go approach to ... sources and the mediated schema. We describe experiments in multiple domains, including 50-800 data sources, and show that our system is ...
Publication - cat - 04/16/2013 - 11:27 - 0 comments - 0 attachments
... applications we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, ... We describe the use of the value correspondence framework in Clio, a prototype tool for semi-automated schema mapping, and present an ...
Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment
... engines selling similar products is of great importance in allowing users to search and compare products from multiple sites with ease. ... which is inefficient and difficult to maintain. In this paper, we present WISE-Integrator – a tool that performs automatic ...
Publication - cat - 04/16/2013 - 07:27 - 0 comments - 0 attachments
... 100 - 499 In open networked systems a varying number of nodes interact each other just on ... are essential to enable knowledge discovery and sharing in order to determine mappings between semantically related concepts of ...
Publication - cat - 04/16/2013 - 06:38 - 0 comments - 0 attachments
... development, and which is usable by non expert users. In this paper we first provide the basics of ontology matching with the help of ...
Publication - cat - 04/16/2013 - 06:05 - 0 comments - 0 attachments
... or within enterprises—has received much attention in the database and AI communities. The focus has been on building data ... a uniform query interface to the sources. A key bottleneck in building such systems has been the laborious manual construction of semantic ...
Publication - huliganka - 04/16/2013 - 05:27 - 0 comments - 0 attachments
... will allow us to build on the extensive research in schema evolution. However, there are also important differences between ... knowledge models. A lot of problems that existed only in theory in database research come to the forefront as practical problems in ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
... us to a revised vision that differs from the original in two main respects: the operations must handle more expressive mappings, and ...
Publication - huliganka - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... guide the design of controlled terminology schemes for use in structured data, including metadata. Thesauri are created in different languages, with different scope and points of view and at ...
Publication - admin - 04/15/2013 - 21:38 - 0 comments - 0 attachments
... Handbook on Ontologies in Information Systems URL: ... interoperability. Examples of such applications arise in myriad do- mains, including e-commerce, knowledge management, e-learning, ...
Publication - admin - 04/15/2013 - 20:49 - 0 comments - 0 attachments
... 100 - 499 In recent years, ontologies have become a mainstream topic in biomedical research. When biological entities are described using a common ...
Publication - cat - 04/15/2013 - 20:38 - 0 comments - 0 attachments
