Topio: An Open-Source Web Platform for Trading Geospatial Data
Andra Ionescu (TU Delft - Web Information Systems)
Kostas Patroumpas (Athena Research Center)
Kyriakos Psarakis (TU Delft - Web Information Systems)
Georgios Chatzigeorgakidis (Athena Research Center)
Diego Collarana (IAIS-Fraunhofer)
Kai Barenscher (WIGeoGIS)
Dimitrios Skoutas (Athena Research Center)
Asterios Katsifodimos (TU Delft - Web Information Systems)
Spiros Athanasiou (Athena Research Center)
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Abstract
The increasing need for data trading across businesses nowadays has created a demand for data marketplaces. However, despite the intentions of both data providers and consumers, today’s data marketplaces remain mere data catalogs. We believe that marketplaces of the future require a set of value-added services, such as advanced search and discovery, that have been proposed in the database research community for years, but are not yet put to practice. With this paper, we report on the effort to engineer and develop an open-source modular data market platform to enable both entrepreneurs and researchers to setup and experiment with data marketplaces. To this end, we implemented and extended existing methods for data profiling, dataset search & discovery, and data recommendation. These methods are available as open-source libraries. In this paper we report on how those tools were assembled together to build topio.market, a real-world web platform for trading geospatial data, that is currently in a beta phase.