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Deep Learning on Biological Knowledg...

Maddouri, Omar.

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Deep Learning on Biological Knowledge Graphs.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Deep Learning on Biological Knowledge Graphs./
Author:	Maddouri, Omar.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	99 p.
Notes:	Source: Masters Abstracts International, Volume: 56-04.
Contained By:	Masters Abstracts International56-04(E).
Subject:	Computer science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10283761
ISBN:	9781369804980

Deep Learning on Biological Knowledge Graphs.
Maddouri, Omar.

Deep Learning on Biological Knowledge Graphs. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 99 p.

Source: Masters Abstracts International, Volume: 56-04.

Thesis (M.S.)--Hamad Bin Khalifa University (Qatar), 2017.

Biological data and knowledge bases are increasingly relying on Semantic Web technologies and the use of knowledge graphs for data integration, retrieval and federated queries. Over the last decade, feature learning methods that are applicable to graph-structured data are becoming available, but have not yet widely been applied and evaluated on structured biological knowledge. In this thesis, we have developed a novel method for feature learning on biological knowledge graphs. Our method combines symbolic methods, in particular knowledge representation using symbolic logic and automated reasoning, with neural networks to generate node representations (embeddings) that encode for related information within knowledge graphs. Through the use of symbolic logic, we have shown that these embeddings contain both explicit and implicit information. We have applied these embeddings to the prediction of edges in the knowledge graph representing problems of function prediction, finding candidate genes of diseases, protein-protein interactions, or drug target relations. Similarly, we have learned and applied our embeddings to the prediction of disease comorbidities in an additional knowledge graph designed for this purpose and centered on disease instances. Importantly, our approach have demonstrated a performance that matches and sometimes outperforms traditional approaches based on manually crafted features. Interestingly, our method can be applied to any biological knowledge graph, and will thereby open up the increasing amount of Semantic Web based knowledge databases in biology and will expand its usage in machine learning and data analytics.

ISBN: 9781369804980Subjects--Topical Terms:

523869
Computer science.

Deep Learning on Biological Knowledge Graphs.
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260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2017
300 $a 99 p.
500 $a Source: Masters Abstracts International, Volume: 56-04.
500 $a Advisers: Imed Gallouzi; Robert Hoehndorf.
502 $a Thesis (M.S.)--Hamad Bin Khalifa University (Qatar), 2017.
520 $a Biological data and knowledge bases are increasingly relying on Semantic Web technologies and the use of knowledge graphs for data integration, retrieval and federated queries. Over the last decade, feature learning methods that are applicable to graph-structured data are becoming available, but have not yet widely been applied and evaluated on structured biological knowledge. In this thesis, we have developed a novel method for feature learning on biological knowledge graphs. Our method combines symbolic methods, in particular knowledge representation using symbolic logic and automated reasoning, with neural networks to generate node representations (embeddings) that encode for related information within knowledge graphs. Through the use of symbolic logic, we have shown that these embeddings contain both explicit and implicit information. We have applied these embeddings to the prediction of edges in the knowledge graph representing problems of function prediction, finding candidate genes of diseases, protein-protein interactions, or drug target relations. Similarly, we have learned and applied our embeddings to the prediction of disease comorbidities in an additional knowledge graph designed for this purpose and centered on disease instances. Importantly, our approach have demonstrated a performance that matches and sometimes outperforms traditional approaches based on manually crafted features. Interestingly, our method can be applied to any biological knowledge graph, and will thereby open up the increasing amount of Semantic Web based knowledge databases in biology and will expand its usage in machine learning and data analytics.
590 $a School code: 1931.
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