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2016 | OriginalPaper | Chapter

Things and Strings: Improving Place Name Disambiguation from Short Texts by Combining Entity Co-Occurrence with Topic Modeling

Authors : Yiting Ju, Benjamin Adams, Krzysztof Janowicz, Yingjie Hu, Bo Yan, Grant McKenzie

Published in: Knowledge Engineering and Knowledge Management

Publisher: Springer International Publishing

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Abstract

Place name disambiguation is the task of correctly identifying a place from a set of places sharing a common name. It contributes to tasks such as knowledge extraction, query answering, geographic information retrieval, and automatic tagging. Disambiguation quality relies on the ability to correctly identify and interpret contextual clues, complicating the task for short texts. Here we propose a novel approach to the disambiguation of place names from short texts that integrates two models: entity co-occurrence and topic modeling. The first model uses Linked Data to identify related entities to improve disambiguation quality. The second model uses topic modeling to differentiate places based on the terms used to describe them. We evaluate our approach using a corpus of short texts, determine the suitable weight between models, and demonstrate that a combined model outperforms benchmark systems such as DBpedia Spotlight and Open Calais in terms of F1-score and Mean Reciprocal Rank.

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Metadata
Title
Things and Strings: Improving Place Name Disambiguation from Short Texts by Combining Entity Co-Occurrence with Topic Modeling
Authors
Yiting Ju
Benjamin Adams
Krzysztof Janowicz
Yingjie Hu
Bo Yan
Grant McKenzie
Copyright Year
2016
Book
Knowledge Engineering and Knowledge Management

Print ISBN: 978-3-319-49003-8

Electronic ISBN: 978-3-319-49004-5

Copyright Year: 2016

DOI
https://doi.org/10.1007/978-3-319-49004-5_23

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