Results 71 to 80 of about 4,446 (184)

Negation in SPARQL [PDF]

open access: green, 2016
Renzo Angles, Claudio Gutiérrez
openalex   +1 more source

Semantic Image Annotation using Ontology And SPARQL

open access: diamond, 2020
A. Gautami Latha   +3 more
openalex   +1 more source

Enhancing SPARQL Query Generation for Knowledge Base Question Answering Systems by Learning to Correct Triplets

open access: yesApplied Sciences
Generating SPARQL queries from natural language questions is challenging in Knowledge Base Question Answering (KBQA) systems. The current state-of-the-art models heavily rely on fine-tuning pretrained models such as T5.
Jiexing Qi   +7 more
doaj   +1 more source

FedShop: A Benchmark for Testing the Scalability of SPARQL Federation Engines

open access: green, 2023
Minh-Hoang Dang   +5 more
openalex   +2 more sources

RDF Fusion: An Extensible SPARQL Engine for Hybrid Data Models

open access: yesIEEE Access
The Internet of Things (IoT) generates vast streams of sensor data that often require enrichment with background knowledge about the system and domain. Although such data can be represented as graphs, purely graph-based models struggle with the temporal ...
Tobias Schwarzinger   +5 more
doaj   +1 more source

Analyzing Middle High German Syntax with RDF and SPARQL [PDF]

open access: green, 2018
Christian Chiarcos   +3 more
openalex  

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