[PDF] Top 20 Answering SPARQL Queries using Views

... Berlin SPARQL Benchmark (BSBM) [ 14 ] is used to generate a dataset of 10,000,736 triples using a scale factor of 28,211 ...third-party queries and views are used to provide an unbiased ... Voir le document complet

... for answering queries in data integration systems that follow a LAV (Local As View) 1 mediation ap- proach ...systems, queries formulated in terms of a mediated schema are reformulated (rewritten) ... Voir le document complet

... Berlin SPARQL Benchmark (BSBM) [8] is used to generate a dataset of 10,000,736 triples using a scale factor of 28,211 ...party queries and views are used to provide an unbiased evaluation of ... Voir le document complet

... ranked SPARQL queries and their associated descriptive sentences as ...NL queries to pivot queries, and modular patterns containing optional and repeatable ...the SPARQL query, and ... Voir le document complet

... • Data distribution. On a full scale system, the images should be distributed over different sites. One could imagine that each image producing center (hospital) is storing locally its images. • Interface with medical ... Voir le document complet

... D. Measurement bias Until now, we focused on our ability to discover many links with as few link queries as possible. However, different strate- gies discover different links, which may have consequences on the ... Voir le document complet

... continuous queries over distributed data is simply not ...join queries over distributed data ...of queries by exploiting the embedded trees in the under- lying DHT, thereby incuring little ... Voir le document complet

... attributes using a Zipf distribution with a default parameter of ...second. Queries are generated with a mean arrival rate of ...of queries proposed in Sec- tion ... Voir le document complet

... decompose SPARQL queries into subqueries that may terminate under quotas ...pattern queries, while a preemptable server allows to decompose property path queries into BGP queries with ... Voir le document complet

... juxtaposed views and rapid visual ...juxtaposed views. They can define the visual configuration of the views by connecting data dimensions from the dataset to Bertin’s visual ...iterative ... Voir le document complet

... Keywords: Cooperative answering, service retrieval, quality of services, fuzzy preferences, linguistic quantifiers. 1 Introduction Nowadays, an increasing number of companies and organizations are moving towards a ... Voir le document complet

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet

... To understand the limits of how much could be gained through oracles, we have considered an active learning model in which the learner chooses the information rece[r] ... Voir le document complet

... at answering simple questions with the help of some lexical patterns and without real support for multiple languages, being able to only answer questions in ...of using patterns in our QA system is ... Voir le document complet

... References [1] M. Croitoru and S. Vesic. What can argumentation do for inconsistent ontology query answering? In W. Liu, V. Subrahmanian, and J. Wijsen, editors, Proceedings of SUM 2013, pages 15–29. Springer, ... Voir le document complet

... by Tsinghua Software Information Technology Co. Ltd. The developed pro- gram accepts standard drawing files in DXF format that consist of three or- thographic views with linear segments, conics, and poly-lines, ... Voir le document complet

... Consider now a user that uses an iPhone and that prefers contents in the form of te xts and images exc lusively. All these contraints are specified in h is profile . In such a case, the specific vie w presented in Figure ... Voir le document complet

... traffic. This is caused mainly by high numbers of query answers, many of which are irrelevant for users. One solution to this problem is to use Top-k que- ries whereby the user can specify a limited number (k) of the ... Voir le document complet

... TS(s) be a function that denotes the arrival time of a tuple sS, and t be current time. Then W i is defined as W i = {s| sSi  t-TS(s)  T(Wi)}. Tuples continuously arrive at each instant and expire after T(W i) time ... Voir le document complet

... The SPARQL Micro-Service architecture (Michel et ...API using SPARQL (Harris and Seaborne 2013), the Semantic Web standard to query knowledge graphs expressed in the Resource Description Framework ... Voir le document complet