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Specifically, a distributed representation vector using the title and abstract of each document is created, then neighboring documents to each are identified using the cosine similarity. A time trend and sector specific linkages within science and technology are identified by using the count of neighbor patents (papers) for each paper (patent). It is found that the science intensity of inventions (the number of neighbor papers for patents) increases over time, particularly for university\/PRI patents and university\u2013industry collaboration patents over the 30\u00a0years studied. As for university\/PRI patents, the institutional reforms for the science sector (government laboratory incorporation in 2001 and national university incorporation in 2004) contributed to the interactions between science and technology. In contrast, the technology intensity of science (the number of neighbor patents by paper) decreases over time. It is also found that the technology intensity of life science papers is rather low, although they have a significant impact on subsequent patents. However, there are some scientific fields which are affected by technological developments, so that the state of science and innovation interactions is heterogeneous across the fields.<\/jats:p>","DOI":"10.1007\/s11192-024-04949-w","type":"journal-article","created":{"date-parts":[[2024,2,29]],"date-time":"2024-02-29T15:02:17Z","timestamp":1709218937000},"page":"2159-2179","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Measuring science and innovation linkage using text mining of research papers and patent information"],"prefix":"10.1007","volume":"129","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0985-5331","authenticated-orcid":false,"given":"Kazuyuki","family":"Motohashi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hitoshi","family":"Koshiba","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenta","family":"Ikeuchi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,2,29]]},"reference":[{"issue":"6","key":"4949_CR1","doi-asserted-by":"publisher","first-page":"1113","DOI":"10.1016\/j.respol.2016.02.005","volume":"45","author":"A Arora","year":"2016","unstructured":"Arora, A., Cohen, W. 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