RQL: a declarative query language for RDF
Proceedings of the 11th international conference on World Wide Web
VLDB '98 Proceedings of the 24rd International Conference on Very Large Data Bases
Three Implementations of SquishQL, a Simple RDF Query Language
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
RStar: an RDF storage and query system for enterprise resource management
Proceedings of the thirteenth ACM international conference on Information and knowledge management
GIO: a semantic web application using the information grid framework
Proceedings of the 15th international conference on World Wide Web
Quality views: capturing and exploiting the user perspective on data quality
VLDB '06 Proceedings of the 32nd international conference on Very large data bases
Aggregation of bioinformatics data using Semantic Web technology
Web Semantics: Science, Services and Agents on the World Wide Web
Requirements and Services for Metadata Management
IEEE Internet Computing
Scalable semantic web data management using vertical partitioning
VLDB '07 Proceedings of the 33rd international conference on Very large data bases
Supporting time-constrained SQL queries in oracle
VLDB '07 Proceedings of the 33rd international conference on Very large data bases
Cardinality estimation for the optimization of queries on ontologies
ACM SIGMOD Record
A database-oriented wrapper for ubiquitous data acquisition/access environments
Proceedings of the 2nd international conference on Ubiquitous information management and communication
Embedding SPARQL into XQuery/XSLT
Proceedings of the 2008 ACM symposium on Applied computing
Optimizing complex queries with multiple relation instances
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
An Effective SPARQL Support over Relational Databases
Semantic Web, Ontologies and Databases
A Novel Approach for Practical Semantic Web Data Management
KES '08 Proceedings of the 12th international conference on Knowledge-Based Intelligent Information and Engineering Systems, Part II
RDF-3X: a RISC-style engine for RDF
Proceedings of the VLDB Endowment
Hexastore: sextuple indexing for semantic web data management
Proceedings of the VLDB Endowment
Column-store support for RDF data management: not all swans are white
Proceedings of the VLDB Endowment
MashQL: a query-by-diagram topping SPARQL
Proceedings of the 2nd international workshop on Ontologies and information systems for the semantic web
An Experimental Comparison of RDF Data Management Approaches in a SPARQL Benchmark Scenario
ISWC '08 Proceedings of the 7th International Conference on The Semantic Web
RDFS Reasoning and Query Answering on Top of DHTs
ISWC '08 Proceedings of the 7th International Conference on The Semantic Web
Supporting Ontology-Based Dynamic Property and Classification in WebSphere Metadata Server
ISWC '08 Proceedings of the 7th International Conference on The Semantic Web
SW-Store: a vertically partitioned DBMS for Semantic Web data management
The VLDB Journal — The International Journal on Very Large Data Bases
Efficient processing of SPARQL joins in memory by dynamically restricting triple patterns
Proceedings of the 2009 ACM symposium on Applied Computing
Algorithms for integrating PostgreSQL with the semantic web
Programming and Computing Software
Generalized formal models for faceted user interfaces
Proceedings of the 9th ACM/IEEE-CS joint conference on Digital libraries
Scalable join processing on very large RDF graphs
Proceedings of the 2009 ACM SIGMOD International Conference on Management of data
Towards Building a Knowledge Base for Research on Andean Weaving
BNCOD 26 Proceedings of the 26th British National Conference on Databases: Dataspace: The Final Frontier
Semantics preserving SPARQL-to-SQL translation
Data & Knowledge Engineering
RDFKB: efficient support for RDF inference queries and knowledge management
IDEAS '09 Proceedings of the 2009 International Database Engineering & Applications Symposium
Uniform query processing in a federation of RDFS and relational resources
IDEAS '09 Proceedings of the 2009 International Database Engineering & Applications Symposium
Semplore: A scalable IR approach to search the Web of Data
Web Semantics: Science, Services and Agents on the World Wide Web
Ontology-Driven Provenance Management in eScience: An Application in Parasite Research
OTM '09 Proceedings of the Confederated International Conferences, CoopIS, DOA, IS, and ODBASE 2009 on On the Move to Meaningful Internet Systems: Part II
Cluster-Based Exploration for Effective Keyword Search over Semantic Datasets
ER '09 Proceedings of the 28th International Conference on Conceptual Modeling
The RDF-3X engine for scalable management of RDF data
The VLDB Journal — The International Journal on Very Large Data Bases
Modeling spatio-temporal network computations: a summary of results
GeoS'07 Proceedings of the 2nd international conference on GeoSpatial semantics
Supporting complex thematic, spatial and temporal queries over semantic web data
GeoS'07 Proceedings of the 2nd international conference on GeoSpatial semantics
Semplore: an IR approach to scalable hybrid query of semantic web data
ISWC'07/ASWC'07 Proceedings of the 6th international The semantic web and 2nd Asian conference on Asian semantic web conference
Foundations of SPARQL query optimization
Proceedings of the 13th International Conference on Database Theory
Optimizing schema-last tuple-store queries in graphd
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
RDFProv: A relational RDF store for querying and managing scientific workflow provenance
Data & Knowledge Engineering
Relational processing of RDF queries: a survey
ACM SIGMOD Record
Open user schema guided evaluation of streaming RDF queries
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
Processing SPARQL queries with regular expressions in RDF databases
DTMBIO '10 Proceedings of the ACM fourth international workshop on Data and text mining in biomedical informatics
Proceedings of the 1st International Conference on Intelligent Semantic Web-Services and Applications
An experimental evaluation of relational RDF storage and querying techniques
DASFAA'10 Proceedings of the 15th international conference on Database systems for advanced applications
Atlas: Storing, updating and querying RDF(S) data on top of DHTs
Web Semantics: Science, Services and Agents on the World Wide Web
Relationalization of provenance data in complex RDF reification nodes
Electronic Commerce Research
x-RDF-3X: fast querying, high update rates, and consistency for RDF databases
Proceedings of the VLDB Endowment
Compact representation of large RDF data sets for publishing and exchange
ISWC'10 Proceedings of the 9th international semantic web conference on The semantic web - Volume Part I
SPARQL query optimization on top of DHTs
ISWC'10 Proceedings of the 9th international semantic web conference on The semantic web - Volume Part I
Caching intermediate result of SPARQL queries
Proceedings of the 20th international conference companion on World wide web
What are real SPARQL queries like?
Proceedings of the International Workshop on Semantic Web Information Management
Database foundations for scalable RDF processing
RW'11 Proceedings of the 7th international conference on Reasoning web: semantic technologies for the web of data
Ontological query answering via rewriting
ADBIS'11 Proceedings of the 15th international conference on Advances in databases and information systems
A native and adaptive approach for unified processing of linked streams and linked data
ISWC'11 Proceedings of the 10th international conference on The semantic web - Volume Part I
dipLODocus[RDF]: short and long-tail RDF analytics for massive webs of data
ISWC'11 Proceedings of the 10th international conference on The semantic web - Volume Part I
Estimating selectivity for joined RDF triple patterns
Proceedings of the 20th ACM international conference on Information and knowledge management
Semantic data markets: a flexible environment for knowledge management
Proceedings of the 20th ACM international conference on Information and knowledge management
Evaluation of SPARQL queries using relational databases
ISWC'06 Proceedings of the 5th international conference on The Semantic Web
FlexTable: using a dynamic relation model to store RDF data
DASFAA'10 Proceedings of the 15th international conference on Database Systems for Advanced Applications - Volume Part I
Representing and querying validity time in RDF and OWL: A logic-based approach
Web Semantics: Science, Services and Agents on the World Wide Web
Efficiency analysis in content based image retrieval using RDF annotations
MICAI'11 Proceedings of the 10th international conference on Artificial Intelligence: advances in Soft Computing - Volume Part II
A pattern-based approach for efficient query processing over RDF data
Transactions on Large-Scale Data- and Knowledge-Centered Systems V
Delta-reasoner: a semantic web reasoner for an intelligent mobile platform
Proceedings of the 21st international conference companion on World Wide Web
Knowledge compilation for automated Team Composition exploiting standard SQL
Proceedings of the 27th Annual ACM Symposium on Applied Computing
SPOVC: a scalable RDF store using horizontal partitioning and column oriented DBMS
SWIM '12 Proceedings of the 4th International Workshop on Semantic Web Information Management
Heuristics-based query optimisation for SPARQL
Proceedings of the 15th International Conference on Extending Database Technology
Semantic caching for semantic web applications
JIST'11 Proceedings of the 2011 joint international conference on The Semantic Web
RDF pattern matching using sortable views
Proceedings of the 21st ACM international conference on Information and knowledge management
A linear algebra technique for (de)centralized processing of SPARQL queries
ER'12 Proceedings of the 31st international conference on Conceptual Modeling
Large scale skill matching through knowledge compilation
ISMIS'12 Proceedings of the 20th international conference on Foundations of Intelligent Systems
Binary RDF representation for publication and exchange (HDT)
Web Semantics: Science, Services and Agents on the World Wide Web
A distributed graph engine for web scale RDF data
Proceedings of the VLDB Endowment
Evaluation of RDF queries via equivalence
Frontiers of Computer Science: Selected Publications from Chinese Universities
On bridging relational and document-centric data stores
BNCOD'13 Proceedings of the 29th British National conference on Big Data
Ultrawrap: SPARQL execution on relational data
Web Semantics: Science, Services and Agents on the World Wide Web
Editorial: Efficient incremental update and querying in AWETO RDF storage system
Data & Knowledge Engineering
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Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new languages for querying RDF data, which has the following shortcomings: 1) They are difficult to integrate with SQL queries used in database applications, and 2) They incur inefficiency as data has to be transformed from SQL to the corresponding language data format. This paper proposes a SQL based scheme that avoids these problems. Specifically, it introduces a SQL table function RDF_MATCH to query RDF data. The results of RDF_MATCH table function can be further processed by SQL's rich querying capabilities and seamlessly combined with queries on traditional relational data. Furthermore, the RDF_MATCH table function invocation is rewritten as a SQL query, thereby avoiding run-time table function procedural overheads. It also enables optimization of rewritten query in conjunction with the rest of the query. The resulting query is executed efficiently by making use of B-tree indexes as well as specialized subject-property materialized views. This paper describes the functionality of the RDF_MATCH table function for querying RDF data, which can optionally include user-defined rulebases, and discusses its implementation in Oracle RDBMS. It also presents an experimental study characterizing the overhead eliminated by avoiding procedural code at runtime, characterizing performance under various input conditions, and demonstrating scalability using 80 million RDF triples from UniProt protein and annotation data.