View source for Service:MaRDI KG

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            <h1 class="maintitle">The MaRDI Knowledge Graph</h1>
            <h2 class="maintitle-teaser">Your Entry Point to Open Math Research Data</h2>
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    <div class="info-header"><span class="info-icon"><i class="fa fa-3x fa-info-circle" aria-hidden="true"></i></span><span class="info-title">About Us</span></div>
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        <h2>Welcome to the MaRDI Knowledge Graph Portal</h2>
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        Welcome to the MaRDI Knowledge Graph Portal — your gateway to open mathematical research data. Access our comprehensive MaRDI knowledge graph integrating data from sources like [https://dlmf.nist.gov/ DLMF], [https://cran.r-project.org/ CRAN], [[PolyDB | PolyDB]], [https://swmath.org swMATH] (partially), [https://zbmath.org/ zbMATH] (partially). Whether you are a researcher, a student, or simply someone passionate about mathematics, the MaRDI Portal is here to support your exploration, learning, and discovery with resources tailored to diverse needs and interests. <br/>
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        We embrace the open-source philosophy — our [https://github.com/mardi4nfdi/ source code repositories] and [[Project:Documentation Overview|detailed technical documentation]] are freely accessible. Or, maybe you want to read about [[Project:Personas|our personas]] - some  fictional characters that embody the distinct goals, motivations, and challenges of our users. If you have further questions or recommendations, you can find ways to [https://www.mardi4nfdi.de/contact contact us here].
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    <h2>Some Example Queries</h2>
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* Content Pages
** [[Person:1408901|Person]]
** [[Publication:5565613|Publication]]
** [[Software:13572|Software]]
** [[Dataset:4834873|Dataset]]
** [[Theorem:6534204|Theorem 1]] [[Theorem:6480744|Theorem 2]]
** [[Formula:563|Formula]]
* Communities
** [[Community:6038427|Math+]]
** [[Community:6038424|Graphical Modelling and Causal Inference]]
* DLMF formulae [https://tinyurl.com/y9c4m8sj that depend indirectly on the gamma function]
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** [https://tinyurl.com/y62dvn3o that contain sine and tangent functions]
** [https://tinyurl.com/y9c4m8sj that depend indirectly on the gamma function]
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* [https://tinyurl.com/ychcutek swMATH software]
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 More examples through our sister project [[Project:Scholia|Scholia]] - ATTENTION: this is based only on WikiData and will thus not show the complete picture
* [https://scholia.portal.mardi4nfdi.de/topic/Q1195879 Explore a topic, here: Ricci curvature]
* [https://scholia.portal.mardi4nfdi.de/organization/Q1376788 Explore an organisation, here: European Mathematical Society]
* [https://scholia.portal.mardi4nfdi.de/author/Q450226 Explore a researcher, here: Fan Chung]
* [https://scholia.portal.mardi4nfdi.de/work/Q25938997 Explore a paper, here: Kaplan and Meier, 1958 &mdash; Nonparametric Estimation from Incomplete Observations] 
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    [[File:MaRDI Knowledge-Graph Demo02 User-Interface.mp4|thumbtime=0:01]]
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{{StatisticsRow| DLMF                 | ?item wdt:P2 ?dlmf }}
{{StatisticsRow| Datasets             | ?item wdt:P31 wd:Q56885}}
{{StatisticsRow| Theorems             | ?item wdt:P31 wd:Q6480412}}
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