B. Amann, M. Scholl, and A. Rizk. Querying typed hypertexts in multicard/O2. In Proceedings of the ECHT'94 European Conference on Hypermedia Technologies, Papers, pages 198--205, 1994.  Home/Search   Document Not in Database   Summary   Related Articles

.... and reconciling RDF Model Syntax with Schema specifications [26, 10] The originality of our model relies on the distinction between classes and relationship types (e.g. properties) in the style of ODMG [3] as well as the introduction of a data graph instantiation mechanism inspired by GRAM [6, 7]. ffl We propose a declarative language, called RQL, to query semistructured RDF (meta)data and related schemas. RQL adopts the syntax and functional approach of OQL [12] while it features generalized path expressions in the style of POQL [15, 16, 2] or Lorel [4] The novelty of RQL lies in its ....

.... a graph based model that caters to the peculiarities of RDF Model Syntax and Schema (RDFS) specifications [26, 10] The model distinguishes between classes and relationship types (e.g. properties) in the style of ODMG [3] and relies on a data graph instantiation mechanism inspired by GRAM [6, 7]. We assume the existence of the following countably infinite and pairwise disjoint sets of symbols: ffl Class Names, C = fc 1 ; c 2 ; g; ffl Property Type Names, P = fp 1 ; p 2 ; g; ffl Literals, L with atomic values like string, integer, etc. ffl Object Identifiers, O = fo 1 ; o 2 ....

B. Amann, M. Scholl, and A. Rizk. Querying typed hypertexts in multicard/O2. In Proceedings of the ECHT'94 European Conference on Hypermedia Technologies, Papers, pages 198--205, 1994.

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