Olaf Hartig

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sparql linkeddata linked data rdf link traversal based query execution linked data query querying processing intro linkeddata webofdata trust squin webofdata query semantics provenance tutorial caching data cache resource description framework sfsw swcllib researchersmap tsparql eswc queryoptimization sqgm semantics rdfs response time webdata linked data theory trustworthiness query ldql research query planning ltbqe execution process live exploration source selection theoretical foundations computability optimization introduction source ranking access w3c prov-aq storage query optimization heuristics semantic web index query execution linkeddata webofdata trustworthiness trust provenance vocabulary linkeddata webofdata linkeddata squin sparql query webofdata linktraver provenance linkeddata rdf webofdata webdata qualit

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Olaf Hartig

Presentations

The Semantic Web Client Library - Consuming Linked Data in Your Applications

Query Processing and Trustworthiness in the Web of Linked Data

5min Introduction to Linked Data

An Introduction to RDF and the Web of Data

An Introduction to SPARQL

The Semantics of SPARQL

The SPARQL Query Graph Model for Query Optimization

Provenance Information in the Web of Data

Database Researchers Map

Querying Trust in RDF Data with tSPARQL

Querying Linked Data with SPARQL

Answers to usual issues in getting started with consuming Linked Data

Using Web Data Provenance for Quality Assessment

Executing SPARQL Queries of the Web of Linked Data

Linked Data on the Web

Answers to usual issues in getting started with consuming Linked Data (2010)

Querying Linked Data with SPARQL (2010)

Brief Introduction to the Provenance Vocabulary (for W3C prov-xg)

Towards a Data-Centric Notion of Trust in the Semantic Web (A Position Statement)

A Main Memory Index Structure to Query Linked Data

How Caching Improves Efficiency and Result Completeness for Querying Linked Data

The Impact of Data Caching of on Query Execution for Linked Data

Zero-Knowledge Query Planning for an Iterator Implementation of Link Traversal Based Query Execution

(An Overview on) Linked Data Management and SPARQL Querying (ISSLOD2011)

An Overview on PROV-AQ: Provenance Access and Query

Tutorial "An Introduction to SPARQL and Queries over Linked Data" Chapter 1 (ICWE 2012 Ed.)

Tutorial "An Introduction to SPARQL and Queries over Linked Data" Chapter 2 (ICWE 2012 Ed.)

Tutorial "An Introduction to SPARQL and Queries over Linked Data" Chapter 3 (ICWE 2012 Ed.)

Tutorial "Linked Data Query Processing" Part 1 "Introduction" (WWW 2013 Ed.)

Tutorial "Linked Data Query Processing" Part 2 "Theoretical Foundations" (WWW 2013 Ed.)

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