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Leveraging Data Semantics for Relational Data Management Tasks
Leveraging Data Semantics for Relational Data Management Tasks
Leveraging Data Semantics for Relational Data Management Tasks

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202103645
ISBN  
9798314874769
DDC  
004
저자명  
Xing, Junjie.
서명/저자  
Leveraging Data Semantics for Relational Data Management Tasks
발행사항  
[Sl] : University of Michigan, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
121 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-11, Section: B.
주기사항  
Advisor: Jagadish, Hosagrahar V.
학위논문주기  
Thesis (Ph.D.)--University of Michigan, 2025.
초록/해제  
요약In an era of rapidly growing data, efficient and intelligent relational data management is essential for generating actionable insights and automating decision-making. A key factor driving advancements in this domain is the use of data semantics, which captures the deeper meaning and context of data, extending beyond traditional heuristic and syntactic approaches. By leveraging data semantics, we can enhance tasks such as insight generation, data integration, and other essential relational data management tasks. This dissertation explores how advanced data semantics can address several key challenges in relational data management. First, we investigate methods to capture user-defined semantics for assessing the interestingness of data insights, moving beyond traditional developer-defined measures of interestingness. Second, we leverage the enhanced natural language understanding capabilities of large language models (LLMs) to generate fine-grained column semantics for relational data and introduce the concept of "aggregate-related table search", which captures table semantics across varying aggregation levels. Finally, we propose a self-training framework for LLM fine-tuning on table-related tasks, incorporating table task semantics by generating and validating training data to improve model performance in tasks such as natural language to SQL and schema matching. Through these contributions, this dissertation aims to advance relational data management by embedding a deeper understanding of different aspects of data semantics into various data applications, including data analysis and data discovery systems, ultimately improving the performance of relational data management tasks.
일반주제명  
Computer science
일반주제명  
Computer engineering
일반주제명  
Systems science
키워드  
Data semantics
키워드  
Relational data management tasks
키워드  
Large language models
키워드  
Data exploration
키워드  
Schema matching
기타저자  
University of Michigan Computer Science & Engineering
기본자료저록  
Dissertations Abstracts International. 86-11B.
전자적 위치 및 접속  
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■1001  ▼aXing,  Junjie.
■24510▼aLeveraging  Data  Semantics  for  Relational  Data  Management  Tasks
■260    ▼a[Sl]▼bUniversity  of  Michigan▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a121  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-11,  Section:  B.
■500    ▼aAdvisor:  Jagadish,  Hosagrahar  V.
■5021  ▼aThesis  (Ph.D.)--University  of  Michigan,  2025.
■520    ▼aIn  an  era  of  rapidly  growing  data,  efficient  and  intelligent  relational  data  management  is  essential  for  generating  actionable  insights  and  automating  decision-making.  A  key  factor  driving  advancements  in  this  domain  is  the  use  of  data  semantics,  which  captures  the  deeper  meaning  and  context  of  data,  extending  beyond  traditional  heuristic  and  syntactic  approaches.  By  leveraging  data  semantics,  we  can  enhance  tasks  such  as  insight  generation,  data  integration,  and  other  essential  relational  data  management  tasks.  This  dissertation  explores  how  advanced  data  semantics  can  address  several  key  challenges  in  relational  data  management.  First,  we  investigate  methods  to  capture  user-defined  semantics  for  assessing  the  interestingness  of  data  insights,  moving  beyond  traditional  developer-defined  measures  of  interestingness.  Second,  we  leverage  the  enhanced  natural  language  understanding  capabilities  of  large  language  models  (LLMs)  to  generate  fine-grained  column  semantics  for  relational  data  and  introduce  the  concept  of  "aggregate-related  table  search",  which  captures  table  semantics  across  varying  aggregation  levels.  Finally,  we  propose  a  self-training  framework  for  LLM  fine-tuning  on  table-related  tasks,  incorporating  table  task  semantics  by  generating  and  validating  training  data  to  improve  model  performance  in  tasks  such  as  natural  language  to  SQL  and  schema  matching.  Through  these  contributions,  this  dissertation  aims  to  advance  relational  data  management  by  embedding  a  deeper  understanding  of  different  aspects  of  data  semantics  into  various  data  applications,  including  data  analysis  and  data  discovery  systems,  ultimately  improving  the  performance  of  relational  data  management  tasks.
■590    ▼aSchool  code:  0127.
■650  4▼aComputer  science
■650  4▼aComputer  engineering
■650  4▼aSystems  science
■653    ▼aData  semantics
■653    ▼aRelational  data  management  tasks
■653    ▼aLarge  language  models
■653    ▼aData  exploration
■653    ▼aSchema  matching
■690    ▼a0984
■690    ▼a0464
■690    ▼a0790
■71020▼aUniversity  of  Michigan▼bComputer  Science  &  Engineering.
■7730  ▼tDissertations  Abstracts  International▼g86-11B.
■790    ▼a0127
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358107▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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