{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T06:41:04Z","timestamp":1769150464035,"version":"3.49.0"},"reference-count":35,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2018,12,12]],"date-time":"2018-12-12T00:00:00Z","timestamp":1544572800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Citation based Innovative Diffusion Model and Path Recognition","award":["043-135202WW1730"],"award-info":[{"award-number":["043-135202WW1730"]}]},{"name":"Community Structure Heterogeneity and Urban Governance in China Based on Large Survey Data","award":["15ZDB173"],"award-info":[{"award-number":["15ZDB173"]}]},{"name":"Research on the Organization and Mode of Modern Social Governance","award":["71533002"],"award-info":[{"award-number":["71533002"]}]},{"name":"Network Society Governance in China","award":["14ZDA063"],"award-info":[{"award-number":["14ZDA063"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Information Science"],"published-print":{"date-parts":[[2019,12]]},"abstract":"<jats:p> Tech mining is the application of text mining tools to science and technology information resources. The ever-increasing volume of scientific outputs is a boom to technological innovation, but it also complicates efforts to obtain useful and concise information for problem solving. This challenge extends to tech mining, where the development of techniques compatible with big data is an urgent issue. This article introduces a semi-supervised method for extracting layered technological information from scientific papers in order to extend the reach of tech mining. Our method starts with several pre-set seed patterns used to extract candidate phrases by matching the dependency tree of each sentence. Then, after a series of judgements, phrases are divided into two categories: \u2018main technique\u2019 and \u2018tech-component\u2019. (A technique, for the purposes of this study, is a method or tool used in the article being analysed.) In order to generate new patterns for subsequent iterations, a weighted pattern learning method is also adopted. Finally, multiple iterations of the method are applied to extract technological information from each paper. A dataset from the field of optical switcher is used to verify the method\u2019s effectiveness. Our findings are that (1) by two loops of extraction process in each iteration, our method realises the layered technological information extraction, which contains the \u2018part\u2013whole\u2019 relationships between main techniques and tech-components; (2) the recall rate for main techniques is superior to the baseline after iterating 23 rounds; (3) when layering is disregarded, in the aspect of the precision and the volume of techniques, the new method is higher than that for the baseline; and (4) adjusting another two parameters can optimise the efficiency \u2013 however, the effect is neither pronounced nor straightforward. <\/jats:p>","DOI":"10.1177\/0165551518816941","type":"journal-article","created":{"date-parts":[[2018,12,12]],"date-time":"2018-12-12T09:31:02Z","timestamp":1544607062000},"page":"779-793","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Mining layered technological information in scientific papers: A semi-supervised method"],"prefix":"10.1177","volume":"45","author":[{"given":"Xiaoyu","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Information Resource Management, Business School, Nankai University, P.R. China; CETC Big Data Research Institute Co., Ltd., P.R. China"}]},{"given":"Yujia","family":"Zhai","sequence":"additional","affiliation":[{"name":"Department of Information Resource Management, School of Management, Tianjin Normal University, P.R. China"}]},{"given":"Yuanhai","family":"Lin","sequence":"additional","affiliation":[{"name":"Institute of Information Photonics Technology and College of Applied Sciences, Beijing University of Technology, P.R. China"}]},{"given":"Fang","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Information Resource Management, Business School, Nankai University, P.R. China"}]}],"member":"179","published-online":{"date-parts":[[2018,12,12]]},"reference":[{"key":"bibr1-0165551518816941","unstructured":"Porter AL. Tech mining for future-oriented technology analyses. 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