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Technology Novelty detection via topic modeling in research articles

1. David C. Wyld (Eds) : ICCSEA, SPPR, CSIA, WimoA, SCAI - 2013 pp. 401–410, 2013. © CS & IT-CSCP 2013 DOI : 10.5121/csit.2013.3542 NOVELTY DETECTION VIA TOPIC MODELING…

Documents 1 QUERY AND DOCUMENT EXPANSION IN TEXT RETRIEVAL Clara Isabel Cabezas University of Maryland College...

Slide 11 QUERY AND DOCUMENT EXPANSION IN TEXT RETRIEVAL Clara Isabel Cabezas University of Maryland College Park May, 2 nd 2000 Slide 2 2 1.- Definition 2.- Query expansion…

Technology probabilistic ranking

1.Ranking of Database Query Results Nitesh Maan, Arujn Saraswat, Nishant Kapoor2. Introduction As the name suggests ‘Ranking’ is the process of ordering a set of values…

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Slide 1 1 Advanced information retrieval Chapter. 05: Query Reformulation Slide 2 2 Outline 1. Basic concept 2. Query refinement through relevance feedback 3. Query expansion…

Documents Evaluation. Allan, Ballesteros, Croft, and/or Turtle Types of Evaluation Might evaluate several...

Slide 1 Evaluation Slide 2  Allan, Ballesteros, Croft, and/or Turtle Types of Evaluation Might evaluate several aspects Evaluation generally comparative –System A vs.…

Documents Chapter 5: Query Operations Baeza-Yates, 1999 Modern Information Retrieval.

Slide 1 Chapter 5: Query Operations Baeza-Yates, 1999 Modern Information Retrieval Slide 2 Query Modification Improving initial query formulation  Relevance feedback approaches…

Documents Learning Techniques for Information Retrieval We cover 1.Perceptron algorithm 2.Least mean square...

Slide 1 Learning Techniques for Information Retrieval We cover 1.Perceptron algorithm 2.Least mean square algorithm 3.Chapter 5.2 User relevance feedback (pp.118-123) 4.Chapter…

Documents WXGB6106 INFORMATION RETRIEVAL Week 3 RETRIEVAL EVALUATION.

Slide 1 WXGB6106 INFORMATION RETRIEVAL Week 3 RETRIEVAL EVALUATION Slide 2 INTRODUCTION Evaluation necessary Why evaluate ? What to evaluate? How to evaluate? Slide 3 WHY…

Documents Hybrid Systems for Information Extraction and Question Answering Presented By Rani Qumsiyeh.

Slide 1 Hybrid Systems for Information Extraction and Question Answering Presented By Rani Qumsiyeh Slide 2 What is Question Answering? Being able to retrieve the exact piece…

Documents Evaluation of IR LIS531H. Why eval? When designing and using a system there are decisions to be...

Evaluation of IR LIS531H Why eval? When designing and using a system there are decisions to be made: Manual or automatic indexing? Controlled vocabularies or natural language.…