[PDF] Top 20 On the Optimization of Recursive Relational Queries: Application to Graph Queries
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On the Optimization of Recursive Relational Queries: Application to Graph Queries
... ABSTRACT Graph databases have received a lot of attention as they are particularly useful in many applications such as social net- works, life sciences and the semantic ...emerged to query ... Voir le document complet
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On the Optimization of Recursive Relational Queries: Application to Graph Queries
... ABSTRACT Graph databases have received a lot of attention as they are particularly useful in many applications such as social net- works, life sciences and the semantic ...emerged to query ... Voir le document complet
24
Clever generation of rich SPARQL queries from annotated relational schema: application to Semantic Web Service creation for biological databases
... generation of the Semantic Web Service Semantic annotations are used to select the inputs and outputs of a ...linking the inputs to the outputs. If such a path is ... Voir le document complet
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Relational and graph queries over a transition system
... or recursive queries over the same table and will suffer of a same bias related to the tables ...size. The concept of query in a graph database is a ... Voir le document complet
7
Graphical Models: Queries, Complexity, Algorithms
... Thanks to a simple algebraic formulation of graphical models and queries over GMs, this review covers a very large variety of algorithms and approaches that have been developed in ... Voir le document complet
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Answering SPARQL Queries using Views
... Abstract The Semantic Web allows data publishers to make available an increasing number of datasets concerning the whole ...SPARQL queries can be written to consume the ... Voir le document complet
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PFed: Recommending Plausible Federated Queries
... used to link SWDF and DBpedia datasets. The pruned SWDF query log contains 2 866 queries that contains ...Many of these queries have the same structure but with different ... Voir le document complet
16
Constraint Acquisition via Partial Queries
... by the ANR project BR4CP (ANR-11-BS02-008) and by the EU project ICON ...necessary to converge to the target set of ...that the user need not be a human. It might be a ... Voir le document complet
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Community Profiling for Crowdsourcing Queries
... WHO TO ASK Crowdsourcing has recently gained momentum as a means for outsourcing tasks to human workers with no specific qualifications or ...difficult to achieve correctly using machines or that are ... Voir le document complet
3
Tracking Federated Queries in the Linked Data
... tp1 of CD3, at DBPedia- instances ...implementation to join data retrieved from DBPedia-infobox and ...tp3 to DBPedia-infobox and stores intermediate ...answers of subquery 2 from ... Voir le document complet
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A Possibilistic Logic Approach to Conditional Preference Queries
... structuring the preferences provided by a user. These preferences take the form u : x i > ¬x i , ...preferred to ¬x in context u, (u can be ...amounts to giving priority to ... Voir le document complet
15
Explainable queries over event logs
... open the way to multiple research questions and improvements over this first ...Extensions to BeepBeep have been developed to perform trend deviation detection and predictive analytics [20], ... Voir le document complet
10
The SPARQLGX System for Distributed Evaluation of SPARQL Queries
... Thereby, to execute the whole set of 14 LUBM queries, SPARQLGX and 4store constitute the fastest ...seem to behave similarly (according to the time metric alone) ... Voir le document complet
15
Parachute Queries in the Presence of Unavailable Data Sources
... Unit´e de recherche INRIA Lorraine, Technopˆole de Nancy-Brabois, Campus scientifique, ` NANCY 615 rue du Jardin Botanique, BP 101, 54600 VILLERS LES Unit´e de recherche INRIA Rennes, Ir[r] ... Voir le document complet
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Summarizing and Querying Logs of OLAP Queries
... tests The framework is implemented with Java 6. The implementation has been done considering that dimensions fit in main ...member the cardinality of its coverage at the most detailed ... Voir le document complet
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Boosting Constraint Acquisition via Generalization Queries
... systems the user is only asked to answer very basic questions. The drawback is that when no background knowledge is provided, the user may need to answer a great number of such ... Voir le document complet
7
Conjunctive Queries on Probabilistic Graphs: Combined Complexity
... for the probabilistic query evaluation problem in all these ...introducing the preliminaries and defin- ing the problem in Section 2, we first study the impact of disconnectedness in ... Voir le document complet
17
SLA Definition for Multi-Cloud Queries
... access to the providers’ datasets is billed, such a service shall let users control their expenditures by means of Service-Level Agree- ment ...known to play a key role in query optimisation ... Voir le document complet
3
PFed: Recommending Plausible Federated SPARQL Queries
... federated queries ? Due to the size of the pruned logs, we can generate a large number of plausible federated ...on the generation of path-shaped between ... Voir le document complet
16
Backward Type Inference for XML Queries
... are the main source of difficulty, one may want to translate XPath selection queries with back- ward axes into equivalent queries with only forward ...containing the same number ... Voir le document complet
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