{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T19:13:12Z","timestamp":1788981192064,"version":"build-2803163510"},"reference-count":99,"publisher":"JMIR Publications Inc.","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JMIR Public Health Surveill"],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Web-based resources and social media platforms play an increasingly important role in health-related knowledge and experience sharing. There is a growing interest in the use of these novel data sources for epidemiological surveillance of substance use behaviors and trends.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>The key aims were to describe the development and application of the drug abuse ontology (DAO) as a framework for analyzing web-based and social media data to inform public health and substance use research in the following areas: determining user knowledge, attitudes, and behaviors related to nonmedical use of buprenorphine and illicitly manufactured opioids through the analysis of web forum data Prescription Drug Abuse Online Surveillance; analyzing patterns and trends of cannabis product use in the context of evolving cannabis legalization policies in the United States through analysis of Twitter and web forum data (eDrugTrends); assessing trends in the availability of novel synthetic opioids through the analysis of cryptomarket data (eDarkTrends); and analyzing COVID-19 pandemic trends in social media data related to 13 states in the United States as per Mental Health America reports.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The domain and scope of the DAO were defined using competency questions from popular ontology methodology (101 ontology development). The 101 method includes determining the domain and scope of ontology, reusing existing knowledge, enumerating important terms in ontology, defining the classes, their properties and creating instances of the classes. The quality of the ontology was evaluated using a set of tools and best practices recognized by the semantic web community and the artificial intelligence community that engage in natural language processing.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The current version of the DAO comprises 315 classes, 31 relationships, and 814 instances among the classes. The ontology is flexible and can easily accommodate new concepts. The integration of the ontology with machine learning algorithms dramatically decreased the false alarm rate by adding external knowledge to the machine learning process. The ontology is recurrently updated to capture evolving concepts in different contexts and applied to analyze data related to social media and dark web marketplaces.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The DAO provides a powerful framework and a useful resource that can be expanded and adapted to a wide range of substance use and mental health domains to help advance big data analytics of web-based data for substance use epidemiology research.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2196\/24938","type":"journal-article","created":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T08:23:26Z","timestamp":1652171006000},"page":"e24938","source":"Crossref","is-referenced-by-count":20,"title":["Drug Abuse Ontology to Harness Web-Based Data for Substance Use Epidemiology Research: Ontology Development Study"],"prefix":"10.2196","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6186-2171","authenticated-orcid":false,"given":"Usha","family":"Lokala","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6542-1381","authenticated-orcid":false,"given":"Francois","family":"Lamy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6507-3866","authenticated-orcid":false,"given":"Raminta","family":"Daniulaityte","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5411-2230","authenticated-orcid":false,"given":"Manas","family":"Gaur","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3938-5617","authenticated-orcid":false,"given":"Amelie","family":"Gyrard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7041-6963","authenticated-orcid":false,"given":"Krishnaprasad","family":"Thirunarayan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8108-9590","authenticated-orcid":false,"given":"Ugur","family":"Kursuncu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0021-5293","authenticated-orcid":false,"given":"Amit","family":"Sheth","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1010","published-online":{"date-parts":[[2022,12,23]]},"reference":[{"key":"ref1","unstructured":"UNODC World Drug Report 2020: Global drug use rising; while COVID-19 has far reaching impact on global drug marketsUnited Nations20207252022-04-09https:\/\/www.unodc.org\/unodc\/press\/releases\/2020\/June\/media-advisory---global-launch-of-the-2020-world-drug-report.html"},{"issue":"2","key":"ref2","doi-asserted-by":"crossref","first-page":"151","DOI":"10.2307\/3090175","volume":"42","author":"Boardman, JD","year":"2001","journal-title":"J Health Soc Behav"},{"key":"ref3","author":"Spooner, C","year":"2004","journal-title":"Social Determinants of Drug Use"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1002\/wps.20735"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1038\/npp.2014.147"},{"key":"ref6","unstructured":"European Drug Report 2019: trends and developmentsEuropean Monitoring Centre for Drugs and Drug Addiction (EMCDDA)201962021-02-15https:\/\/www.emcdda.europa.eu\/publications\/edr\/trends-developments\/2019_en"},{"key":"ref7","unstructured":"KruithofKAldridgeJH\u00e9tuDDSimMDujsoEHoorensSThe role of the 'dark web' in the trade of illicit drugsRAND Corporation20162022-07-29https:\/\/www.rand.org\/pubs\/research_briefs\/RB9925.html"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.drugpo.2016.04.020"},{"key":"ref9","author":"Kursuncu, U","year":"2019","journal-title":"Emerging Research Challenges and Opportunities in Computational Social Network Analysis and Mining"},{"key":"ref10","unstructured":"SoskaKChristinNMeasuring the longitudinal evolution of the online anonymous marketplace ecosystemProceedings of the 24th USENIX Conference on Security Symposium2015SEC'15: Proceedings of the 24th USENIX Conference on Security SymposiumAug 12 - 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