• Publications
  • Influence
Hexastore: sextuple indexing for semantic web data management
TLDR
We propose an RDF storage scheme that uses the triple nature of RDF as an asset to optimize triple storage, retrieval, and updates to the graph-based format. Expand
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SPARQL basic graph pattern optimization using selectivity estimation
TLDR
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. Expand
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Fair and balanced?: bias in bug-fix datasets
TLDR
Bias is a critical problem that threatens both the effectiveness of processes that rely on biased datasets to build prediction models and the generalizability of hypotheses tested on biased data. Expand
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Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL
TLDR
We present a syntax and storage format based on named graphs to express temporal RDF and introduce an extension to standard SPARQL. Expand
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Querix: A Natural Language Interface to Query Ontologies Based on Clarification Dialogs
TLDR
We present Querix, a domain-independent natural language interface for the Semantic Web. Expand
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Knowing What a User Likes: A Design Science Approach to Interfaces that Automatically Adapt to Culture
TLDR
Adapting user interfaces to a user's cultural background can increase satisfaction, revenue, and market share. Expand
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GINO - A Guided Input Natural Language Ontology Editor
TLDR
We introduce GINO, a guided input natural language ontology editor that allows users to edit and query ontologies in a language akin to English. Expand
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The missing links: bugs and bug-fix commits
TLDR
Empirical studies of software defects rely on links between bug databases and program code repositories. Expand
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How Useful Are Natural Language Interfaces to the Semantic Web for Casual End-Users?
TLDR
This paper focuses on usability and investigates if NLIs are useful from an end-user's point of view. Expand
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Evaluating the usability of natural language query languages and interfaces to Semantic Web knowledge bases
TLDR
The need to make the contents of the Semantic Web accessible to end-users becomes increasingly pressing as the amount of information stored in ontology-based knowledge bases steadily increases. Expand
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