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Profiling relational data: a survey
Profiling data to determine metadata about a given dataset is an important and frequent
activity of any IT professional and researcher and is necessary for various use-cases. It …
activity of any IT professional and researcher and is necessary for various use-cases. It …
Data profiling: A tutorial
is to understand the dataset at hand and its metadata. The process of metadata discovery is
known as data profiling. Profiling activities range from ad-hoc approaches, such as eye …
known as data profiling. Profiling activities range from ad-hoc approaches, such as eye …
Assessing and remedying coverage for a given dataset
Data analysis impacts virtually every aspect of our society today. Often, this analysis is
performed on an existing dataset, possibly collected through a process that the data …
performed on an existing dataset, possibly collected through a process that the data …
Data dependencies for query optimization: a survey
Effective query optimization is a core feature of any database management system. While
most query optimization techniques make use of simple metadata, such as cardinalities and …
most query optimization techniques make use of simple metadata, such as cardinalities and …
Efficient discovery of approximate dependencies
Functional dependencies (FDs) and unique column combinations (UCCs) form a valuable
ingredient for many data management tasks, such as data cleaning, schema recovery, and …
ingredient for many data management tasks, such as data cleaning, schema recovery, and …
Data profiling with metanome
Data profiling is the discipline of discovering metadata about given datasets. The metadata
itself serve a variety of use cases, such as data integration, data cleansing, or query …
itself serve a variety of use cases, such as data integration, data cleansing, or query …
Discovery of approximate (and exact) denial constraints
Maintaining data consistency is known to be hard. Recent approaches have relied on
integrity constraints to deal with the problem-correct and complete constraints naturally work …
integrity constraints to deal with the problem-correct and complete constraints naturally work …
Interactive and deterministic data cleaning
We present Falcon, an interactive, deterministic, and declarative data cleaning system,
which uses SQL update queries as the language to repair data. Falcon does not rely on the …
which uses SQL update queries as the language to repair data. Falcon does not rely on the …
Efficient denial constraint discovery with hydra
Denial constraints (DCs) are a generalization of many other integrity constraints (ICs) widely
used in databases, such as key constraints, functional dependencies, or order …
used in databases, such as key constraints, functional dependencies, or order …
Protecting data integrity of web applications with database constraints inferred from application code
Database-backed web applications persist a large amount of production data and have high
requirements for integrity. To protect data integrity against application code bugs and …
requirements for integrity. To protect data integrity against application code bugs and …