A Keyword-Based Query Processing Method for Datasets With Schemas

García, Grettel Monteagudo

doi:10.17771/pucrio.acad.48728

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“…As for database keyword search, DANKE [García 2020, Izquierdo et al 2020] is a keyword search platform that operates over both relational databases and RDF datasets. It is designed to compile a keyword query into a SQL or SPARQL query that returns the best data matches.…”

Section: Related Workmentioning

confidence: 99%

Database Access Control in a Database Keyword Search Tool

Monteagudo Garcia,

Guillot Jiménez,

Batista Neves Júnior

et al. 2023

Anais Do XXXVIII Simpósio Brasileiro De Banco De Dados (SBBD 2023)

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This paper addresses the access control problem in the context of database keyword search, when a user defines a query by a list of keywords, and not by SQL (or SPARQL) code. It describes the solutions implemented in DANKE, a database keyword search platform currently used in several industrial applications. DANKE offers two alternatives for managing access control: given a keyword query K and the user permissions P, either compile K into the same structured query and filter the results based on P, or compile K into different structured queries, depending on P. Likewise, DANKE has two alternatives for defining the user permissions: using the features of the database management system, or using an internal mechanism.

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Section: Related Workmentioning

confidence: 99%