{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T02:24:14Z","timestamp":1772504654897,"version":"3.50.1"},"reference-count":34,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T00:00:00Z","timestamp":1689724800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Union","award":["NORTE-01-0247-FEDER-113562"],"award-info":[{"award-number":["NORTE-01-0247-FEDER-113562"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sustainability"],"abstract":"<jats:p>Waste management is a major challenge for contemporary societies, requiring urgent attention since population growth combined with widespread consumerism and industrialization has led to an alarming increase in waste production. To avoid harmful environmental impacts and the misuse of resources, it is urgent to combat this scourge. A potential solution involves the creation of industrial symbioses, characterized by the practical application of circular economy principles. The use of collaborative platforms is a possible way to promote industrial symbiosis. Addressing these pressing concerns and responding to these challenges, the Upcycle4Biz project envisions establishing a digital platform called Upvalue, conceived as a marketplace where companies can exchange waste and by-products. This article aims to provide a comprehensive overview of the challenges and benefits associated with the development of this innovative platform, as well as a presentation of the platform itself.<\/jats:p>","DOI":"10.3390\/su151411235","type":"journal-article","created":{"date-parts":[[2023,7,19]],"date-time":"2023-07-19T21:20:14Z","timestamp":1689801614000},"page":"11235","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Challenges of Digital Waste Marketplace\u2014The Upvalue Platform"],"prefix":"10.3390","volume":"15","author":[{"given":"Margarida","family":"Soares","sequence":"first","affiliation":[{"name":"CVR\u2014Centre for Waste Valorisation, University of Minho, 4800-042 Guimar\u00e3es, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5732-2527","authenticated-orcid":false,"given":"Andr\u00e9","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"CVR\u2014Centre for Waste Valorisation, University of Minho, 4800-042 Guimar\u00e3es, Portugal"},{"name":"MEtRICs\u2014Mechanical Engineering and Resource Sustainability Center, Campus de Azur\u00e9m, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Tom\u00e1s","family":"Vasconcelos","sequence":"additional","affiliation":[{"name":"S\u00edntese Bin\u00e1ria\u2014Engenharia e Sistemas de Informa\u00e7\u00e3o, Lda., 4730-575 Vila Verde, Portugal"}]},{"given":"Manuel","family":"Barros","sequence":"additional","affiliation":[{"name":"Estamparia T\u00eaxtil\u2014Adalberto Pinto da Silva, S.A., 4795-177 Santo Tirso, Portugal"}]},{"given":"Carla","family":"Castro","sequence":"additional","affiliation":[{"name":"F3M\u2014Information Systems, S.A., 4715-435 Braga, Portugal"}]},{"given":"C\u00e2ndida","family":"Vilarinho","sequence":"additional","affiliation":[{"name":"MEtRICs\u2014Mechanical Engineering and Resource Sustainability Center, Campus de Azur\u00e9m, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]},{"given":"Joana","family":"Carvalho","sequence":"additional","affiliation":[{"name":"CVR\u2014Centre for Waste Valorisation, University of Minho, 4800-042 Guimar\u00e3es, Portugal"},{"name":"MEtRICs\u2014Mechanical Engineering and Resource Sustainability Center, Campus de Azur\u00e9m, University of Minho, 4800-058 Guimar\u00e3es, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,7,19]]},"reference":[{"key":"ref_1","first-page":"1","article-title":"Digital platforms as market places for the circular economy\u2014Requirements and challenges","volume":"27","author":"Berg","year":"2019","journal-title":"Nachhalt. 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