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[PDF] Top 20 Predicting SPARQL Query Execution Time and Suggesting SPARQL Queries Based on Query History

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Predicting SPARQL Query Execution Time and Suggesting SPARQL Queries Based on Query History

Predicting SPARQL Query Execution Time and Suggesting SPARQL Queries Based on Query History

... Description and Methodology We address two problems in this paper: (i) how to predict SPARQL query execution time prior to query execution; (ii) how to suggest similar ... Voir le document complet

19

Predicting SPARQL Query Performance and Explaining Linked Data

Predicting SPARQL Query Performance and Explaining Linked Data

... Web query processing, SPARQL query engines can be categorized into two categories: SQL-based and RDF native query en- gines ...SQL-based query engines rely on ... Voir le document complet

11

A Machine Learning Approach to SPARQL Query Performance Prediction

A Machine Learning Approach to SPARQL Query Performance Prediction

... Web query processing, SPARQL query engines can be categorized into two categories: SQL- based and RDF native query engines ...SQL-based query en- gines rely on ... Voir le document complet

9

SaGe: Web Preemption for Public SPARQL Query Services

SaGe: Web Preemption for Public SPARQL Query Services

... stable and responsive public SPARQL query services, data providers enforce quotas on server ...usage. Queries which ex- ceed these quotas are interrupted and deliver partial ...resume ... Voir le document complet

12

Answering SPARQL Queries using Views

Answering SPARQL Queries using Views

... the SPARQL endpoints poor availability, several strategies may be ...resources and improve data ...the query processing, this strategy decreases the query performance in terms of number of ... Voir le document complet

137

A SPARQL distributed query processing engine addressing both vertical and horizontal data partitions

A SPARQL distributed query processing engine addressing both vertical and horizontal data partitions

... local and distributed ...processing), and query execution per- ...scheme and the kind of SPARQL SELECT query ...are based on the query- ing of two linked RDF ... Voir le document complet

12

SaGe: Web Preemption for Public SPARQL Query Services

SaGe: Web Preemption for Public SPARQL Query Services

... stable and responsive public SPARQL query services, data providers enforce quotas on server ...usage. Queries which ex- ceed these quotas are interrupted and deliver partial ...resume ... Voir le document complet

12

SPARQL distributed query processing over linked data

SPARQL distributed query processing over linked data

... exchanged and the resulting network ...BGP- based evaluation on both vertical and horizontal data partitions, is compared to the reference implementation (basic KGRAM-DQP), that implements a ... Voir le document complet

130

Predicting SPARQL Query Performance

Predicting SPARQL Query Performance

... 1 Query Performance Prediction The emerging dataspace of Linked Data presents tremendous potential for large- scale data integration over cross domain data to support a new generation of intelligent ...a ... Voir le document complet

5

Scalable Query-based Faceted Search on top of SPARQL Endpoints for Guided and Expressive Semantic Search

Scalable Query-based Faceted Search on top of SPARQL Endpoints for Guided and Expressive Semantic Search

... method and for each dataset are summarized in Table 4 ...property and inverse property ...property and inverse property times for the com- plete method (C2) because this method computes all the ... Voir le document complet

40

Ladda: SPARQL Queries in the Fog of Browsers

Ladda: SPARQL Queries in the Fog of Browsers

... At time t 4, Q2 , Q 4 and Q5 are ...back-end and four workers, a Web cache and different numbers of ...cache, and all the TPF clients run on the same machine: a HPC server with 40 ... Voir le document complet

6

Scalable Query-based Faceted Search on top of SPARQL Endpoints for Guided and Expressive Semantic Search

Scalable Query-based Faceted Search on top of SPARQL Endpoints for Guided and Expressive Semantic Search

... précise. SPARQL est le langage standard pour interroger l’information dans le Web de ...Données. SPARQL est un langage expressif qui a une syntaxe proche de ...langage SPARQL. Sewelis permet comme ... Voir le document complet

29

Designing scientific SPARQL queries using autocompletion by snippets

Designing scientific SPARQL queries using autocompletion by snippets

... of SPARQL query) based on queries expressed by previous users, enriching the user ...open and concrete solution able to consider a large panel of SPARQL autocompletion features ... Voir le document complet

12

Optimizing SPARQL query evaluation with a worst-case cardinality estimation based on statistics on the data

Optimizing SPARQL query evaluation with a worst-case cardinality estimation based on statistics on the data

... estimation based on statis- tics about the ...for sparql and capable of taking advantage of the implicit schema often present in rdf datasets ...estimation and used it to optimize the ... Voir le document complet

17

Optimising SPARQL Query Evaluation in the Presence of ShEx Constraints

Optimising SPARQL Query Evaluation in the Presence of ShEx Constraints

... school, and multiple students may be regis- tered in the same school according to the ...shape, and thus rendering variables corresponding to it more ... Voir le document complet

13

Efficient Query Processing for SPARQL Federations with Replicated Fragments

Efficient Query Processing for SPARQL Federations with Replicated Fragments

... to queries with OPTIONAL operator using the FedX query engine, and it was due to an implementation error for this ...the query engine implementation limitations were also the causes of the ... Voir le document complet

16

Scalewelis: a Scalable Query-based Faceted Search System on Top of SPARQL Endpoints

Scalewelis: a Scalable Query-based Faceted Search System on Top of SPARQL Endpoints

... Sewelis and Scalewelis, facets are query elements and selecting a facet adds it to the search ...Berlin SPARQL Benchmark [ 1 ], the partial computation of facets required far less time ... Voir le document complet

5

SemLAV: Local-As-View Mediation for SPARQL Queries

SemLAV: Local-As-View Mediation for SPARQL Queries

... the queries are posed and views describe data ...(LAV) and Global-Local-As-View ...LAV and GAV approaches. GAV is ap- propriate for query processing in stable ...a query rewriter ... Voir le document complet

27

Federated SPARQL Queries Processing with Replicated Fragments

Federated SPARQL Queries Processing with Replicated Fragments

... tacted SPARQL endpoints can be affected. A replication aware federated query engine could select the best sources to reduce the size of intermediate results while preserving answer ...a SPARQL ... Voir le document complet

17

Processing SPARQL Aggregate Queries with Web Preemption

Processing SPARQL Aggregate Queries with Web Preemption

... complete and then suspends query ...constant time. Then, the iterator calls the Save() method and sends all partial SPARQL aggregation results to the ...back query processing ... Voir le document complet

17

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