Abstract
Geo-Knowledge which is known as semantic enriched geographic information plays an important role in many intelligent applications like named-entity recognition and information retrieval. With the development of Internet, volunteers on web-based crowdsourcing platforms like OpenStreetMap (OSM) and Wikidata have contributed big geographic data which however have not been widely studied towards extracting and linking geo-knowledge. In this paper, we presented a crowdsourced geographic knowledge graph named CrowdGeoKG which extracted different kinds of geo-entities from OpenStreetMap and enriched them with human geography knowledge from Wikidata. We further exploited the part of CrowdGeoKG in China, studying the linkage between OpenStreetMap geo-entities and Wikidata geo-entities. CrowdGeoKG is stored in both RDF (Resource Description Framework) and JSON-LD formats, and shared for re-usage on an open knowledge graph community named OpenKG.
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Acknowledgments
This work is funded by the Alibaba-ZJU joint project on e-Business Knowledge Graph and NSFC 61473260/61673338/61672393, and the Klaus Tschira Foundation (KTS) Heidelberg.
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Chen, J., Deng, S., Chen, H. (2017). CrowdGeoKG: Crowdsourced Geo-Knowledge Graph. In: Li, J., Zhou, M., Qi, G., Lao, N., Ruan, T., Du, J. (eds) Knowledge Graph and Semantic Computing. Language, Knowledge, and Intelligence. CCKS 2017. Communications in Computer and Information Science, vol 784. Springer, Singapore. https://doi.org/10.1007/978-981-10-7359-5_17
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DOI: https://doi.org/10.1007/978-981-10-7359-5_17
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