@inproceedings{06047a6365d5415d841f25f0136e6ed0,
title = "Reformulation-based query answering for RDF graphs with RDFS ontologies",
abstract = "Query answering in RDF knowledge bases has traditionally been performed either through graph saturation, i.e.,{\^A} adding all implicit triples to the graph, or through query reformulation, i.e.,{\^A} modifying the query to look for the explicit triples entailing precisely what the original query asks for. The most expressive fragment of RDF for which Reformulation-based query answering exists is the so-called database fragment [13], in which implicit triples are restricted to those entailed using an RDFS ontology. Within this fragment, query answering was so far limited to the interrogation of data triples (non-RDFS ones); however, a powerful feature specific to RDF is the ability to query data and schema triples together. In this paper, we address the general query answering problem by reducing it, through a pre-query reformulation step, to that solved by the query reformulation technique of [13]. We also report on experiments demonstrating the low cost of our reformulation algorithm.",
keywords = "Query answering, Query reformulation, RDF, RDFS",
author = "Maxime Buron and Fran{\c c}ois Goasdou{\'e} and Ioana Manolescu and Mugnier, \{Marie Laure\}",
note = "Publisher Copyright: {\textcopyright} Springer Nature Switzerland AG 2019.; 16th International Semantic Web Conference, ESWC 2019 ; Conference date: 02-06-2019 Through 06-06-2019",
year = "2019",
month = jan,
day = "1",
doi = "10.1007/978-3-030-21348-0\_2",
language = "English",
isbn = "9783030213473",
series = "Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)",
publisher = "Springer Verlag",
pages = "19--35",
editor = "Miriam Fern{\'a}ndez and Pascal Hitzler and Krzysztof Janowicz and Armin Haller and Amrapali Zaveri and Gray, \{Alasdair J.G.\} and Karl Hammar and Vanessa Lopez",
booktitle = "The Semantic Web - 16th International Conference, ESWC 2019, Proceedings",
}