PREDOSE: PRE scription D rug abuse O nline- S urveillance and E pidemiology
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PREDOSE: PRESCRIPTION DRUG ABUSE ONLINE-SURVEILLANCE AND EPIDEMIOLOGY Delroy Cameron 9/29/2011
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PREDOSE: PRE scription D rug abuse O nline- S urveillance and E pidemiology. Delroy Cameron 9/29/2011. GOAL. To determine user knowledge , attitudes and behavior related to the non-medical use of pharmaceutical opioids as discussed on Web-based forums - PowerPoint PPT Presentation
Transcript of PREDOSE: PRE scription D rug abuse O nline- S urveillance and E pidemiology
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PREDOSE: PREscription Drug abuse Online-Surveillance and Epidemiology
Delroy Cameron9/29/2011
GOALTo determine user knowledge, attitudes and behavior related to the non-medical use of pharmaceutical opioids as discussed on Web-based forums
To determine temporal trends and patterns in pharmaceutical opioid abuse as discussed on Web-based forums
2ProblemScalabilityData Collection
FlexibilityData Annotation
Latency of Relevant InformationReactive Effect3AspectsInformation ExtractionEntity Identification/DisambiguationRelationship ExtractionTriple Extraction
Trend DetectionSpatio-Temporal-Thematic AnalysisSentiment Analysis
4Web Crawler
Informal Text Database
Web Forums
Machine LearningNatural Language Processing
248Data CleaningStage 1. Data Collection3Stage 2. Automatic CodingStage 3. Data Analysis and Interpretation17
Qualitative and Quantitative Analysis of Drug User Knowledge, Attitudes and BehaviorsNamed Entity Identification, Relationship Extraction+=Semantic Web DatabaseInformation Extraction ModuleTemporal Analysis for Trend Detection
CuebeeSemantic Web Tools910OntologyTriples/RDF DatabaseScooner
56SchemaInstancese.g. Opioid, Pain Pillse.g. Suboxone, SubutexEntity DisambiguationSemantic SimilarityoxyOxycontin OPOxycontin Oxycontin OCOxycontin OCoxyExperiment 2: Fail - Grinding up and parachuting - despite milling these OPs down, they still retain substantial time release. I found this to be a failure and it released the oxy slowly over the course of many hours.oxyOxycontin OPoxyOxycontin bad boysOxycontin OPContextCandidates6Probabilistic Entity DisambiguationExperiment 2: Fail - Grinding up and parachuting - despite milling these OPs down, they still retain substantial time release. I found this to be a failure and it released the oxy slowly over the course of many hours.
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Vocabulary Known Slang/Drug ReferencesInformal Text DatabaseLanguage ModelNIDAErowidNDCPDrugSlangDocBluelight.ruOpiophile.comDrugsandBooze.comDrugbankVocabulary Corpus/SubsetEntity Identification/Disambiguation Architecture88Sentiment AnalysisEntitiesOxy, OP
Sentiment Cluesfailure, despite
Polarity Experiment 2: Fail - Grinding up and parachuting - despite milling these OPs down, they still retain substantial time release. I found this to be a failure and it released the oxy slowly over the course of many hours.9Temporal Analysis (TIMELIME)10Peoplekno.e.sisDelroy CameronSujan UdayangaAmit P. Sheth
CITAR (Center for Interventions, Treatment and Addictions Research)Dr. Raminta DaniulaityteDr. Robert CarlsonRussel Falck11Questionshttp://wiki.knoesis.org/index.php/PREDOSE
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