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Matching large ontologies: A divide-and-conquer approach

... large ontologies regarding real world domains bring a new challenge to the state of the art ontology matching technology. In this paper, we propose a divide-and-conquer approach to matching large ontologies. We develop a ...

Publication - massmann - 06/15/2023 - 06:42 - 0 comments - 0 attachments

Database Change Management and Schema Evolution in DB2 for z/OS Version 8

... 0 Citations range:  n/a DB2 V8 begins the process of making it easier to ...

Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments

Clio: Schema mapping creation and data exchange

... to bring data in different representations into a common form. Key contributions of Clio are the definition of non-procedural ... the relationship between data in heterogeneous schemas, a new paradigm in which we view the mapping creation process as one of query ...

Publication - cat - 04/17/2013 - 11:27 - 0 comments - 0 attachments

Falcon-AO: A practical ontology matching system

... - 99 In this paper, we introduce a general overview of Falcon-AO: a practical ontology matching system with acceptable to good performance and a ...

Publication - cat - 04/17/2013 - 10:49 - 0 comments - 0 attachments

Transforming Heterogeneous Data with Database Middleware: Beyond Integration

... sources. To be effective, such systemsmust provide a unified, queryable schema, and must be able to transform data from different ... to connect to several information sources makes them a natural base for doing more complex transformations as well. In this paper, ...

Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment

X-SOM: A Flexible Ontology Mapper

... Curino, Carlo A.; Orsi, Giorgio; Tanca, Letizia ... - 49 System interoperability is a well known issue, especially for heterogeneous information systems, where ...

Publication - krlis1337 - 04/17/2013 - 10:38 - 0 comments - 0 attachments

RiMOM: A Dynamic Multistrategy Ontology Alignment Framework

... to improve the matching effectiveness. This paper presents a dynamic multistrategy ontology alignment framework, named RiMOM. The key ... between ontologies may vary widely. We propose a systematic approach to quantitatively estimate the similarity characteristics ...

Publication - george - 04/17/2013 - 10:38 - 0 comments - 0 attachments

Schema Matching and Mapping-based Data Integration

... mapping. In today's systems, schema matching is manual; a time-consuming, tedious, and error-prone process, which becomes increasingly impractical with a higher number of schemas and data sources to be dealt with. To reduce the ...

Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 0 attachments

Mapping XML and Relational Schemas with Clio

... Schema Matching, the process of matching elements of a source schema with elements of a target schema, and Schema Mapping, the process of creating a query that ...

Publication - massmann - 04/17/2013 - 10:16 - 0 comments - 1 attachment

Translating Web Data

... problem in modern information systems. We present a novel framework for mapping among XML and relational schemas in which a high-level mapping is translated into semantically meaningful queries that ... Our approach works in two phases. In the rst phase, a high-level mapping, expressed as a set of attribute-to-attribute ...

Publication - massmann - 04/17/2013 - 09:27 - 0 comments - 0 attachments

PromptDiff: A fixed-point algorithm for comparing ontology versions

... Noy, N.F.; Musen, M.A. Author:  ... 0 Citations range:  ...

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

A new algorithm for clustering search results

... Mecca, G; Raunich, S; Pappalardo, A Author:  ... Pappalardo, A Year:  ...

Publication - salva - 04/17/2013 - 06:27 - 0 comments - 0 attachments

The Spicy system: towards a notion of mapping quality

... Bonifati, A; Mecca, G; Pappalardo, A; S Raunich; Summa, G Author:  ...

Publication - admin - 04/17/2013 - 06:16 - 0 comments - 1 attachment

Core Schema Mappings

... about data exchange. These study how to generate a solution -- i.e., a target instance -- given a set of mappings usually specified as tuple generating dependencies. However, ...

Publication - salva - 04/17/2013 - 06:05 - 0 comments - 0 attachments

The Use of Machine-Generated Ontologies in Dynamic Information Seeking

... Modica, G.; Gal, A.; Jamil, H. Author:  ... G Gal, A Jamil, H ...

Publication - avigal - 04/17/2013 - 02:27 - 0 comments - 1 attachment

Automatic Ontology Matching using Application semantics

... Gal, A.; Modica, G.; Jamil, H.; Eyal, A. Author:  ...

Publication - avigal - 04/17/2013 - 01:49 - 0 comments - 1 attachment

COMA++: Results for the Ontology Alignment Contest OAEI 2006

... 0 Citations range:  n/a Attachment Size ... for the matching tool COMA++. The study shows that a generic schema matching system can also effectively solve complex ontology ...

Publication - massmann - 04/17/2013 - 01:05 - 0 comments - 1 attachment

Oracle Database 10g Online Data Reorganization & Redefinition

... 0 Citations range:  n/a Attachment Size ... 408.88 KB The days when a company could take its system offline for any kind of maintenance are rapidly ...

Publication - cat - 04/16/2013 - 18:49 - 0 comments - 1 attachment

Beyond schema evolution to database reorganization

... Habermann, A Year:  ... complex schema changes, but also database reorganization. A database administrator uses a declarative notation to describe mappings ...

Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment

QOM - Quick Ontology Mapping

... called (semi-)automatic alignment — of ontologies is a core task to achieve interoperability when two agents or services use ... We here consider QOM, Quick Ontology Mapping, as a way to trade off between effectiveness (i.e. quality) and efficiency of the ...

Publication - admin - 04/16/2013 - 17:16 - 0 comments - 1 attachment

Reconciling Schemas of Disparate Data Sources: A Machine-Learning Approach

... Doan, A.; Domingos, P.; Halevy, A. Author:  ...

Publication - admin - 04/16/2013 - 16:38 - 0 comments - 1 attachment

Bootstrapping Ontology Alignment Methods with APFEL

... 273.18 KB Ontology alignment is a prerequisite in order to allow for interoperation between different ... Process Feature Estimation and Learning) we present a machine learning approach that explores the user validation of initial ... ontology definitions. Core to APFEL is the idea of a generic alignment process, the steps of which may be represented explicitly. ...

Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment

Schema Mapping as Query Discovery

... we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, target schema. Schema mapping involves the discovery of ...

Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment

Data-Driven Understanding and Refinement of Schema Mappings

... problem of quickly and accurately transforming data into a new form. Database researchers have long advocated the use of declarative ... to permit widespread adoption of this approach. We present a new framework that uses data examples as the basis for understanding and ...

Publication - massmann - 04/16/2013 - 10:27 - 0 comments - 1 attachment

Data exchange with data-metadata translations

... Hernández, Mauricio A.; Papotti, Paolo; Tan, Wang Chiew ... converting an instance of one schema into an instance of a different schema according to a given specification. Recent data exchange ...

Publication - paolop - 04/16/2013 - 10:05 - 0 comments - 1 attachment