Sapphire: Querying RDF Data Made Simple
Summary: Sapphire blends keyword search with SPARQL to let users express RDF queries without deep data knowledge, targeting LOD endpoints. It guides query construction with term suggestions and predictive recommendations, balancing usability with precision. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Ahmed El-Roby
- 2. Khaled Ammar
- 3. Ashraf Aboulnaga
- 4. Jimmy Lin
Incoming Citations (Sorted by Pagerank)
Showing 2 of 2 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 6,011 | X2Q: Your Personal Example-based Graph Explorer | 2018 | VLDB | 5.2415551e-05 |
| 8,289 | Knowledge Graph Exploration Systems: are we lost? | 2022 | CIDR | 4.5435639e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 2 of 2 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 54 | DISCOVER: Keyword Search in Relational Databases | 2002 | VLDB | 0.00066047203 |
| 1,679 | DBXplorer: Enabling Keyword Search over Relational Databases | 2002 | SIGMOD | 0.00010932603 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 8,253 | SPARTex: A Vertex-Centric Framework for RDF Data Analytics | 2015 | VLDB | 4.5493149e-05 |
| 582 | Scalable SPARQL Querying of Large RDF Graphs | 2011 | VLDB | 0.00019723083 |
| 11,779 | A Demonstration of Lusail - Querying Linked Data at Scale | 2017 | SIGMOD | 4.1945683e-05 |
| 11,612 | RDFFrames: Knowledge Graph Access for Machine Learning Tools | 2020 | VLDB | 4.1945683e-05 |
| 690 | An Analytical Study of Large SPARQL Query Logs | 2018 | VLDB | 0.00018099792 |
| 13,423 | Natural Language Question Answering over RDF Data | 2013 | SIGMOD | - |
| 12,492 | The Logic of RDF and SPARQL: a tutorial | 2006 | PODS | 4.1945683e-05 |
| 3,684 | SPARQLByE: Querying RDF data by example | 2016 | VLDB | 6.8465042e-05 |
| 2,304 | Querying Semantic Web Data with SPARQL | 2011 | PODS | 9.0648775e-05 |
| 6,514 | Spade: A Modular Framework for Analytical Exploration of RDF Graphs | 2019 | VLDB | 5.0321577e-05 |