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Improving Geocoding by Incorporating Geographical Hierarchy and Attributes into Transformers Networks.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Improving Geocoding by Incorporating Geographical Hierarchy and Attributes into Transformers Networks./
Author:	Zhang, Zeyu.
Description:	1 online resource (108 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-05, Section: B.
Contained By:	Dissertations Abstracts International85-05B.
Subject:	Information science. -
Online resource:	click for full text (PQDT)
ISBN:	9798380862455

Improving Geocoding by Incorporating Geographical Hierarchy and Attributes into Transformers Networks.
Zhang, Zeyu.

Improving Geocoding by Incorporating Geographical Hierarchy and Attributes into Transformers Networks. - 1 online resource (108 pages)

Source: Dissertations Abstracts International, Volume: 85-05, Section: B.

Thesis (Ph.D.)--The University of Arizona, 2023.

Includes bibliographical references

With the development of artificial intelligence, machines are empowering all aspects of people's lives. However, there are still many shortcomings in AI. For example, AI robots cannot accurately determine the place names in articles like humans. After all, there are too many places with the same name in the world. Therefore, Geocoding, the task of converting location mentions in text to structured spatial data, has recently seen progress thanks to a variety of new datasets, evaluation metrics, and machine-learning algorithms.In this dissertation, I present empirical studies to explore four research questions: 1. Are classic information retrieval techniques competitive with modern neural approaches for toponym resolution? 2. Can transformer-based reranking improve over a strong candidate retrieval baseline? 3. Which kind of context is most effective for toponym resolution? 4. Is it better to approach toponym resolution as an ontology entry ranking paradigm or a geographic attribute prediction paradigm? Based on these questions, this dissertation contains four research projects, in which we first show that leveraging the better candidate generation, transformer-based reranking, and two-stage resolution can improve toponym resolution performance, and then introduce a new paradigm for toponym resoluton, which achieves a new state-of-the-art.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798380862455Subjects--Topical Terms:

561178
Information science.
Subjects--Index Terms:

Geographical hierarchyIndex Terms--Genre/Form:

554714
Electronic books.

Improving Geocoding by Incorporating Geographical Hierarchy and Attributes into Transformers Networks.
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504 $a Includes bibliographical references
520 $a With the development of artificial intelligence, machines are empowering all aspects of people's lives. However, there are still many shortcomings in AI. For example, AI robots cannot accurately determine the place names in articles like humans. After all, there are too many places with the same name in the world. Therefore, Geocoding, the task of converting location mentions in text to structured spatial data, has recently seen progress thanks to a variety of new datasets, evaluation metrics, and machine-learning algorithms.In this dissertation, I present empirical studies to explore four research questions: 1. Are classic information retrieval techniques competitive with modern neural approaches for toponym resolution? 2. Can transformer-based reranking improve over a strong candidate retrieval baseline? 3. Which kind of context is most effective for toponym resolution? 4. Is it better to approach toponym resolution as an ontology entry ranking paradigm or a geographic attribute prediction paradigm? Based on these questions, this dissertation contains four research projects, in which we first show that leveraging the better candidate generation, transformer-based reranking, and two-stage resolution can improve toponym resolution performance, and then introduce a new paradigm for toponym resoluton, which achieves a new state-of-the-art.
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