The Syntactic Web: Syntax and Semantics on the Web

Robie, Jonathan; Garshol, Lars Marius; Newcomb, Steve; Biezunski, Michel; Fuchs, M.; Miller, Libby; Brickley, Dan; Christophides, V.; Karvounarakis, Gregorius

doi:10.1162/109966202760152176

Cited by 18 publications

(22 citation statements)

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“…Using RDFS-TRIPLE instead of RDF-TRIPLE ensures that also resources actually classified in a sub-class of books:Essay are returned. Xcerpt's approach to RDF querying shares with [86] the ability to construct arbitrary XML as in this rule.…”

Section: Forall St S[type-$>$t] $O] and P[rdfs:domain-$>$t]) Forallmentioning

confidence: 99%

“…However, the rules for parsing RDF/XML [10], the official XML serialization, are very complex and lengthy due to the high degree of flexibility RDF/XML allows. They can be found in [19], similar functions for parsing RDF/XML in XQuery are described in [87]. The following rules parse RDF data serialized in the RXR (Regular XML RDF) format [4], a far simpler and more regular RDF serialization.…”

Section: Forall St S[type-$>$t] $O] and P[rdfs:domain-$>$t]) Forallmentioning

confidence: 99%

“…There are a few proposals for XPathstyle RDF path languages (RDF Path [80], RPath [74], RxPath [94]), however all proposals are very limited in expressiveness and often immature. [86,87] suggests the use of XQuery for querying RDF, TreeHugger [95] and RDF Twig [97] do the same for XSLT (1.0), the latter two relying on external functions for preprocessing the RDF data. RDFT [38] suggests an RDF template language in the style of XSLT, as does [62].…”

Section: The Navigational Access Query Language Versamentioning

confidence: 99%

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RDF Querying: Language Constructs and Evaluation Methods Compared

Furche¹,

Linse²,

Bry³

et al. 2006

Reasoning Web

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Abstract. This article is firstly an introduction into query languages for the Semantic Web, secondly an in-depth comparison of the languages introduced. Only RDF query languages are considered because, as of the writing of this paper, query languages for other Semantic Web data modeling formalisms, especially OWL, are still an open research issue, and only a very small number of, furthermore incomplete, proposals for querying Semantic Web data modeled after other formalisms than RDF exist. The limitation to a few RDF query languages is motivated both by the objective of an in-depth comparison of the languages addressed and by space limitations. During the three years before the writing of this article, more than three dozen proposals for RDF query languages have been published! Not only such a large number, but also the often immature nature of the proposals makes the focus on few, but representative languages a necessary condition for a non-trivial comparison.For this article, the following RDF query languages have been, admittedly subjectively, selected: Firstly, the "relational" or "pattern-based" query languages SPARQL, RQL, TRIPLE, and Xcerpt; secondly the reactive rule query language Algae; thirdly and last the "navigational access" query language Versa. Although subjective, this choice is arguably a good coverage of the diverse language paradigms considered for querying RDF data. It is the authors' hope and expectation, that this comparison will motivate and trigger further similar studies, thus completing the present article and overcoming its limitation.

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Section: Forall St S[type-$>$t] $O] and P[rdfs:domain-$>$t]) Forallmentioning

confidence: 99%

Section: Forall St S[type-$>$t] $O] and P[rdfs:domain-$>$t]) Forallmentioning

confidence: 99%

Section: The Navigational Access Query Language Versamentioning

confidence: 99%

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RDF Querying: Language Constructs and Evaluation Methods Compared

Furche¹,

Linse²,

Bry³

et al. 2006

Reasoning Web

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“…In this respect, our approach is similar to [4] for querying RDF data with XQuery. However, as is illustrated in the following, there are several peculiarities of Semantic Web data that most query languages for the conventional Web do not support easily.…”

Section: Querying and Evolution On The Semantic Webmentioning

confidence: 99%

“…Existing Semantic Web query languages (like DQL 1 or TRIPLE 2 ) are special purpose, i.e. they are designed for querying and reasoning with special representations like OWL 3 or RDF 4 , but are not capable of processing generic Web data, and are furthermore restricted to a specific reasoning algorithm like a certain description logic (e.g. SHIQ).…”

Section: Introductionmentioning

confidence: 99%

Data Retrieval and Evolution on the (Semantic) Web: A Deductive Approach

Bry

Furche

Pătrânjan

et al. 2004

Principles and Practice of Semantic Web Reasoning

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Abstract. To make use of data represented on the Semantic Web, it is necessary to provide languages for Web data retrieval and evolution. This article introduces into the (conventional and Semantic) Web query language Xcerpt and the event and update language XChange, and shows how their deductive capabilities make them well suited for querying, changing and reasoning with data on both the conventional and the Semantic Web. To this aim, small application scenarios are introduced.

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