XPath 2.0 is an expression language that allows the processing of values conforming to the data model defined in [XQuery 1.0 and XPath 2.0 Data Model (Second Edition)]. The data model provides a tree representation of XML documents as well as atomic values such as integers, strings, and booleans, and sequences that may contain both references to nodes in an XML document and atomic values. The result of an XPath expression may be a selection of nodes from the input documents, or an atomic value, or more generally, any sequence allowed by the data model. The name of the language derives from its most distinctive feature, the path expression, which provides a means of hierarchic addressing of the nodes in an XML tree. XPath 2.0 is a superset of [XPath 1.0], with the added capability to support a richer set of data types, and to take advantage of the type information that becomes available when documents are validated using XML Schema. A backwards compatibility mode is provided to ensure that nearly all XPath 1.0 expressions continue to deliver the same result with XPath 2.0; exceptions to this policy are noted in [I Backwards Compatibility with XPath 1.0].

References in zbMATH (referenced in 289 articles , 1 standard article )

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  1. Barceló, Pablo; Romero, Miguel; Vardi, Moshe Y.: Semantic acyclicity on graph databases (2016)
  2. Fletcher, George H.L.; Gyssens, Marc; Paredaens, Jan; Van Gucht, Dirk; Wu, Yuqing: Structural characterizations of the navigational expressiveness of relation algebras on a tree (2016)
  3. Grandi, Fabio: Dynamic class hierarchy management for multi-version ontology-based personalization (2016)
  4. Holzschuher, Florian; Peinl, René: Querying a graph database -- language selection and performance considerations (2016)
  5. Kostylev, Egor V.; Reutter, Juan L.; Vrgoč, Domagoj: Static analysis of navigational XPath over graph databases (2016)
  6. Sebastian, Tom; Niehren, Joachim: Projection for nested word automata speeds up XPath evaluation on XML streams (2016)
  7. Almendros-Jiménez, Jesús M.; Luna Tedesqui, Alejandro; Moreno, Ginés: Fuzzy XPath through fuzzy logic programming (2015)
  8. Antonopoulos, Timos; Hovland, Dag; Martens, Wim; Neven, Frank: Deciding twig-definability of node selecting tree automata (2015)
  9. Barcelo, Pablo; Fontaine, Gaelle; Lin, Anthony Widjaja: Expressive path queries on graph with data (2015)
  10. Boneva, Iovka; Ciucanu, Radu; Staworko, Sławek: Schemas for unordered XML on a DIME (2015)
  11. Ciobanu, Gabriel; Horne, Ross; Sassone, Vladimiro: Minimal type inference for linked data consumers (2015)
  12. Colcombet, Thomas; Ley, Clemens; Puppis, Gabriele: Logics with rigidly guarded data tests (2015)
  13. Debarbieux, Denis; Gauwin, Olivier; Niehren, Joachim; Sebastian, Tom; Zergaoui, Mohamed: Early nested word automata for XPath query answering on XML streams (2015)
  14. Facchini, Alessandro; Hirai, Yoichi; Marx, Maarten; Sherkhonov, Evgeny: Containment for conditional tree patterns (2015)
  15. Figueira, Diego; Figueira, Santiago; Areces, Carlos: Model theory of XPath on data trees. I: Bisimulation and characterization (2015)
  16. Liu, Xianmin; Li, Jianzhong: On the hardness of learning queries from tree structured data (2015)
  17. Maurer, Hermann; Mehmood, Rizwan: Merging image databases as an example for information integration (2015)
  18. Vrgoč, Domagoj: Using variable automata for querying data graphs (2015)
  19. Abriola, Sergio; Descotte, María Emilia; Figueira, Santiago: Definability for downward and vertical XPath on data trees (2014)
  20. Calvanese, Diego; Eiter, Thomas; Ortiz, Magdalena: Answering regular path queries in expressive description logics via alternating tree-automata (2014)

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