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    • Davidson, Susan B. (3)
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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 4 of 4 1 Designing and Evaluating an XPath Dialect for Linguistic Queries Bird, Steven; Chen, Yi; Davidson, Susan B.; Lee, Haejoong; Zheng, Yifeng In: Departmental Papers (CIS) (2006) Abstract: Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural choices for linguistic data and queries. However, several important expressive features required for linguistic queries are missing or hard to express in XPath. In this paper, we motivate and illustrate these features with a variety of linguistic queries. Then we propose extensions to XPath to support linguistic queries, and design an efficient query engine based on a novel labeling scheme. Experiments demonstrate that our language is not only sufficiently expressive for linguistic trees but also efficient for practical usage. URL: https://repository.upenn.edu/cis_papers/281 https://repository.upenn.edu/cgi/viewcontent.cgi?article=1297&context=cis_papers BASE Hide details 2 Extending XPath to Support Linguistic Queries Bird, Steven; Chen, Yi; Davidson, Susan B.... In: Departmental Papers (CIS) (2005) BASE Show details 3 Theoretical Aspects of Schema Merging Buneman, Peter; Davidson, Susan B.; Kosky, Anthony In: Database Research Group (CIS) (1992) BASE Show details 4 Theoretical Aspects of Schema Merging Buneman, Peter; Davidson, Susan B; Kosky, Anthony S In: Technical Reports (CIS) (1991) BASE Show details

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