[PDF] Top 20 Ontology based data access to Slegge

... The Slegge Oracle database has 6 schemas: SLEGGE_EPI , SLEGGE_SNP , SIS_CATALOG , MDS_COORD , ENTITLED and SLEGGE ...Epicentre data model and consists of 1545 tables with 19 719 ...Epicentre ... See full document

... a data integration set- ting where each endpoint is an RDBMS, a mediator can take advantage of the corresponding processing capabili- ties in order to “push” a query fragment for execution in the endpoint and ... See full document

... Ontology-based data access (OBDA, for short) is a seman- tic technology that has been developed since the mid 2000s [Poggi et ...facilitating access to vari- ous types of data ... See full document

... geospatial data. A higher level of complexity is observed in geospatial data manipulation because of their special characteristics ...Ontological access (easeGO), it is concerned with two main ... See full document

... instance data is often time-dependent: employment contracts come to an end, parlia- ments are elected, children are ...Temporal data can be modelled by pairs consisting of facts and their validity time; for ... See full document

... the ontology language is extended by temporal operators that are capable of defining complex temporal ...lightweight ontology languages with temporal operators of linear temporal logic ( LTL ) such as ‘next ... See full document

... an ontology language, assuming that ontology axioms hold at all times, and extend the query language with various temporal operators (Gutiérrez-Basulto and Klarman 2012; Baader, Borgwardt, and Lippmann ... See full document

... Do you like movies? Do you want to know more about stars, directors, writers, casts, etc.? Then you should probably query IMDb, the Internet Movie Database available at www.imdb.com. You do not know how to use databases. ... See full document

... Ontology-based data access (OBDA), one of the most promis- ing applications of description logics, has recently been touted as a key ingredient in data stream management systems [Cal- ... See full document

... We show that OBDA languages based on atomic queries capture CSPs (and general- izations thereof). The proofs employ the equivalences between OBDA languages and fragments of MDDlog that have already been ... See full document

... string data type that can be carried by the ...RDF data results is useless within the system ...the data as ...providing access to XML Validator and to the XQuery ...XML data, the ... See full document

... With access to more normalized structured data free of multi-valued fields, it becomes possible to consider converting Bio2RDFdatasets into full-fledged OWL ...the data itself, as was demonstrated in ... See full document

... the ontology T is typically used to enrich the data with additional vocabulary for query- ing, to translate between different data and query vocabular- ies, and for reconciling the different ... See full document

... the data source D together with the mapping M often provide valuable infor- mation about the class of possible ABoxes over which the user CQ is ...the data comes from a universal table or a triple store, it ... See full document

... Also there are only two values in Teacher database i.e. Melike and Elburus but when we fetch values using SPARQL, it gives us four values i.e. David and Murat which are values of the Assistant table. This is because ... See full document

... investigate ontology-based data ac- cess over temporal data with validity time and ontologies capable of temporal conceptual mod- ...defined data instances with validity ... See full document

... query data in the resulting temporal prob- abilistic knowledge bases, our language extends temporal queries with probabilistic operators, to allow to assign prob- ability bounds to arbitrary parts of the ... See full document

... Some works made use of graph-based ranking method to extract key phrases. In this method a graph with terms and its relatedness is build. Next using graph-based ranking algorithm, the terms are ranked. ... See full document

... of data), high performance (to meet the real-time and high-performance query processing data for reading and writing), fault tolerance (to ensure the availability of distributed systems), scalability ... See full document

... The first data set is manually generated [see Appendix A] based on the Web that Google has indexed. We generated dataset by web interactions of 15 users, who used the Google search engine for 60 days, an ... See full document