'Regular path expressions' presentation slideshows

XML - QL A Query Language for XML

XML - QL A Query Language for XML. Version 0.6. Outline. Introduction Examples in XML-QL A Data Model for XML Advanced Examples in XML-QL Extensions and Open Issues Summary. Why do we need a query language ?. XML standard doesn't address:

1.07k views • 90 slides

Keys for XML

843 views • 74 slides

Database Internals

Database Internals. Zack Ives CSE 594 Fall 2000 Some slide contents by Raghu Ramakrishnan. Database Management Systems. API/GUI. (Simplification!). Query. Optimizer. Stats. Physical plan. Exec. Engine. Logging, recovery. Schemas. Catalog. Data/etc. Requests. Index/file/rec Mgr.

780 views • 66 slides

Managing XML and Semistructured Data

691 views • 60 slides

Semi-Structured Data Models

Semi-Structured Data Models. By Chris Bennett. Semi-Structured Data. What is it? Data where structure not necessarily determined in advance (often implicit in data) Descriptive, not prescriptive Self-describing and flexible in structure Where does it come from?

1.31k views • 36 slides

Querying Business Processes

Querying Business Processes. Catriel Beeri Hebrew University Anat Eyal , Simon Kamenkovich, Tel Aviv University Tova Milo. Outline. Introduction and motivation Overview of BPQL by example Formal model Implementation Summary. (Distributed) Business Processes.

459 views • 31 slides

Semi-structured Data

Semi-structured Data. In many applications, data does not have a rigidly and predefined schema: e.g., structured files, scientific data, XML. Managing such data requires rethinking the design of components of a DBMS: data model, query language, optimizer, storage system.

254 views • 18 slides

Indexing of XML Data

Indexing of XML Data . Raghuraman Rangarajan KReSIT, IIT Bombay. Plan of Talk. Why is indexing needed? Queries and Indexes in Traditional DBMS Querying in XML Indexes: Path, Value Conclusion. Why is Indexing Needed?.

290 views • 16 slides

Indexing of XML Data

Indexing of XML Data . Raghuraman Rangarajan KReSIT, IIT Bombay. Plan of Talk. Why is indexing needed? Queries and Indexes in Traditional DBMS Querying in XML Indexes: Path, Value Conclusion. Why is Indexing Needed?.

169 views • 16 slides

Web Data Management

Web Data Management. Path Expressions. In this lecture. Path expressions Regular path expressions Evaluation techniques Resources: Data on the Web Abiteboul, Buneman, Suciu : section 4.1. Path Expressions. Examples: Bib . paper Bib . book . publisher Bib . paper . author . lastname

239 views • 15 slides

Managing XML and Semistructured Data

Managing XML and Semistructured Data. Lecture 4: Path Expressions. Prof. Dan Suciu. Spring 2001. In this lecture. Path expressions Regular path expressions Evaluation techniques Resources: Data on the Web Abiteboul, Buneman, Suciu : section 4.1. Path Expressions. Examples:

240 views • 15 slides

Managing XML and Semistructured Data

Managing XML and Semistructured Data. Lecture 4: Path Expressions. Prof. Dan Suciu. Spring 2001. In this lecture. Path expressions Regular path expressions Evaluation techniques Resources: Data on the Web Abiteboul, Buneman, Suciu : section 4.1. Path Expressions. Examples:

151 views • 15 slides