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  "author": "David Chaves-Fraga",
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  "author": "David Chaves-Fraga",
            
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  "author_email": "dchaves@fi.upm.es",
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  "author_email": "dchaves@fi.upm.es",
            
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  "doi": "10.57702/ldr8qrii",
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  "doi_date_published": "2023-10-17",
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  "doi_date_published": "2023-10-17",
            
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      "extra_author": "Jhon Toledo",
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      "extra_author": "Daniel Do\u00f1a",
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      "extra_author": "Daniel Do\u00f1a",
            
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      "orcid": "0000-0002-5603-6390"
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      "extra_author": "Andrea Cimmino",
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      "extra_author": "Oscar Corcho",
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      "orcid": "0000-0002-9260-0753"
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  "license_title": "License not specified",
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  "license_title": "License not specified",
            
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  "maintainer": "David Chaves-Fraga",
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  "maintainer": "David Chaves-Fraga",
            
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  "maintainer_email": "dchaves@fi.upm.es",
            
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  "name": "gtfs-madrid-bench",
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  "name": "gtfs-madrid-bench",
            
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  "notes": "A benchmark to evaluate declarative KG construction 
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  "notes": "A benchmark to evaluate declarative KG construction 
            
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engines that can be used to provide access mechanisms to (virtual) 
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engines that can be used to provide access mechanisms to (virtual) 
            
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knowledge graphs. Our proposal introduces several scenarios that aim 
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knowledge graphs. Our proposal introduces several scenarios that aim 
            
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at measuring performance and scalability as well as the query 
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at measuring performance and scalability as well as the query 
            
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capabilities of all these kinds of engines, considering their 
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capabilities of all these kinds of engines, considering their 
            
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heterogeneity. The data sources used in our benchmark are derived from 
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heterogeneity. The data sources used in our benchmark are derived from 
            
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the GTFS data files of the subway network of Madrid. They can be 
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the GTFS data files of the subway network of Madrid. They can be 
            
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scaled up into several formats (CSV, JSON, SQL, and XML). The query 
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scaled up into several formats (CSV, JSON, SQL, and XML). The query 
            
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set addresses a representative number of SPARQL 1.1 features while 
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set addresses a representative number of SPARQL 1.1 features while 
            
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covering the usual queries in which data consumers may be 
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covering the usual queries in which data consumers may be 
            
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interested.",
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interested.",
            
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    "description": "A public university, located in Madrid, Spain. It 
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    "description": "A public university, located in Madrid, Spain. It 
            
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was founded in 1971 as the result of merging different Technical 
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was founded in 1971 as the result of merging different Technical 
            
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Schools of Engineering and Architecture, originating mainly in the 
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Schools of Engineering and Architecture, originating mainly in the 
            
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18th century. Over 35,000 students attend classes during the year.",
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18th century. Over 35,000 students attend classes during the year.",
            
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      "display_name": "Benchmark",
            
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  "title": "GTFS-Madrid-Bench",
            
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