Experimental IR Meets Multilinguality, Multimodality, and Interaction

Name: Experimental IR Meets Multilinguality, Multimodality, and Interaction | 7th International Conference of the CLEF Association, CLEF 2016, Évora, Portugal, September 5-8, 2016, Proceedings
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7th International Conference of the CLEF Association, CLEF 2016, Évora, Portugal, September 5-8, 2016, Proceedings

Norbert Fuhr Paulo Quaresma Teresa Gonçalves Birger Larsen Krisztian Balog Craig MacDonald Linda Cappellato Nicola Ferro(Editor)

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Published on 22. August 2016

XIII, 380 pages

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978-3-319-44564-9 (ISBN)

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Content

Intro
Preface
Organization
Contents
Cross Language Information Retrieval and Evaluation
Show Me How to Tie a Tie: Evaluation of Cross-Lingual Video Retrieval
1 Introduction
2 Related Work
3 Data
4 Results
4.1 Manual Analysis of 1,000 Queries
4.2 Machine Translation
4.3 Video Retrieval Evaluation
5 Conclusions
References
The CLEF Monolingual Grid of Points
1 Introduction
2 Overview of CLEF Monolingual Tasks
3 Grid of Points
4 Analysis of the Grid of Points
5 Final Remarks
References
A Test Collection for Research on Depression and Language Use
1 Introduction
2 Building a Textual Collection for Depression
2.1 Selection of Data Source
2.2 Depression Group
2.3 Control Group
2.4 Texts Extracted
2.5 Resulting Collection
3 Early Prediction Task
3.1 Evaluation Metric
4 Baseline Experiments
5 Conclusions
References
Assessors Agreement: A Case Study Across Assessor Type, Payment Levels, Query Variations and Relevance Dimensions
1 Introduction
2 Related Work
3 Data
4 Agreements for Topical Relevance Assessments
4.1 Inter-assessor Agreement Among Paid Assessors
4.2 Influence of Assessor Type and Payment Level
4.3 Assessor Agreement Across Query Variations
5 Agreements for Understandability Assessments
5.1 Inter-assessor Agreement Among Paid Assessors
5.2 Influence of Assessor Type and Payment Level
5.3 Assessors Agreement Across Query Variations
6 Conclusions
References
Reranking Hypotheses of Machine-Translated Queries for Cross-Lingual Information Retrieval
1 Introduction
2 Related Work
3 Experimental Setting
3.1 Data
3.2 Retrieval System
3.3 Translation System
4 Method
5 Experiments and Results
5.1 Monolingual Performance
5.2 Baseline
5.3 Oracle Results
5.4 n-best List Merging
5.5 Reranking
6 Conclusions
References
Classification, Profiling and Suggestion
Two-Way Parsimonious Classification Models for Evolving Hierarchies
1 Introduction
2 Related Work
3 Hierarchical Significant Words Language Models
3.1 Model Parsimonization
3.2 Estimating HSWLM
4 HSWLM for Evolving Hierarchies
4.1 Data Collection and Experimental Settings
4.2 Classification Across Periods
4.3 Invariance of Models
5 Conclusions
References
Effects of Language and Terminology on the Usage of Health Query Suggestions
1 Introduction
2 Related Work
3 Suggestion Tool
4 Experiment
5 Data Analysis
6 Use of Suggestions
6.1 Analysis by Language
6.2 Analysis by Terminology
7 Discussion
8 Conclusion
References
Predicting Contextually Appropriate Venues in Location-Based Social Networks
1 Introduction
2 Related Work
3 Problem Statement
4 Contextual Aspect Features
4.1 Categorical and Temporal Features
4.2 Term-Based Features
5 Venue Dimension Classification Evaluation
5.1 Crowdsourcing Venue Annotations
5.2 Experimental Setup
5.3 Experimental Results
6 Ranking Contextually Appropriate Venues
6.1 Experimental Setup
6.2 Experimental Results
7 Conclusions
References
I, Me, Mine: The Role of Personal Phrases in Author Profiling
1 Introduction
2 Related Work
3 Social Media Datasets
4 Experimental Methodology
4.1 Filtering Process
4.2 Classification Process
5 Results and Discussion
5.1 Experiment 1: The Relevance of Personal Phrases for AP
5.2 Experiment 2: The Added Value of Plural Personal Phrases
5.3 Experiment 3: Content and Style Information in Personal Phrases
5.4 Experiment 4: Personal Phrases in Different Social Media
6 Conclusions and Future Work
References
Improving Profiles of Weakly-Engaged Users
1 Introduction
2 Related Work
3 Proposed Model
4 Experimentation
4.1 Dataset
4.2 User Profile Completion
4.3 Recommendations
5 Conclusions
References
Best of CLEF 2015 Labs
Kronecker Decomposition for Image Classification
1 Introduction
2 Image Feature Generation via Decomposition
2.1 Reordering of the Matrix
2.2 Kronecker Decomposition as SVD
3 Learning Task
4 Optimization Model
4.1 The ``Classical'' Scheme of Support Vector Machine (SVM)
4.2 Reinterpretation of the Normal Vector w
4.3 Dual Problem
4.4 Prediction
4.5 Hierarchy Learning
4.6 Input and Output Kernels
5 Experimental Evaluation
5.1 Methods
5.2 ImageCLEF Multi-label Classification
5.3 Pascal and Flickr
6 Discussion
7 Conclusions
References
A Two-Step Retrieval Method for Image Captioning
1 Introduction
2 Related Work
3 A Two-Step Retrieval Method for Image Captioning
3.1 Feature Extraction
3.2 Multimodal Indexing
3.3 Step 1: Word-Retrieval (WR)
3.4 Step 2: Caption-Retrieval (CR)
4 Experimental Settings
4.1 Settings for Query Formulation (from WR Step to CR Step)
5 Experimental Results
5.1 Auto-illustration
6 Conclusions
References
Concept Recognition in French Biomedical Text Using Automatic Translation
1 Introduction
2 Methods
2.1 Corpora
2.2 Term Translation
2.3 Terminologies
2.4 Entity Recognition and Entity Normalization
2.5 Normalization Based on Gold-Standard Entity Recognition
3 Results
3.1 Performance on the Quaero Training Set
3.2 Performance on the Quaero Test Data
4 Discussion
References
A Product Feature-Based User-Centric Ranking Model for E-Commerce Search
1 Introduction
2 Related Work
3 Product Feature-Based User-Centric Ranking Model
3.1 The Model
3.2 Experimental Evaluation
4 Understanding the Effect of the User Engagement Factor in Product Search
5 Discussion and Conclusion
References
Random Performance Differences Between Online Recommender System Algorithms
1 Introduction
2 Approach
3 Experiments
4 Results and Analysis
5 Causes of Performance Differences
5.1 Operation Causes
5.2 User-Item Causes
5.3 Random Causes
5.4 Overlap in Performance
6 Conclusion
References
Short Papers and Posters
SS4MCT: A Statistical Stemmer for Morphologically Complex Texts
1 Introduction
2 SS4MCT: A Statistical Stemmer for Morphologically Complex Texts
2.1 Transformation Rules
2.2 Probability of the Rules
2.3 How to Evaluate the Algorithm
3 Experiments
3.1 Experimental Setup
3.2 Comparing Different Morphological Processing Methods
4 Conclusion and Future Works
References
Index-Based Semantic Tagging for Efficient Query Interpretation
1 Introduction
2 Reference Work
3 Data Characterization
4 Semantic Tagging in Queries
5 Evaluation
5.1 Comparing Query Analysis Time for the Retrieval Strategies
5.2 Influence of N over the Speedup
6 Conclusions
References
A Gamified Approach to Relevance Judgement
1 Introduction
2 DocMiner: Gamified Relevance Assessment
2.1 Game Properties
3 User Study Evaluation
4 Conclusions and Future Work
References
Evaluating Categorisation in Real Life -- An Argument Against Simple but Impractical Metrics
1 The Use Case: Practical Cold Start Text Categorisation
2 Keyword-Based Categorisation
2.1 The F-Score Evaluation Metric
2.2 The R@P Curve
2.3 P & R Matrix --- A More Expressive Representation
3 Conclusions
References
How Relevant is the Long Tail?
1 Introduction
2 Materials and Methods
3 Results
4 Discussion and Conclusion
References
Towards an Understanding of Transactional Tasks
1 Introduction
2 Experimental Setup
2.1 Setup and Design
2.2 Tasks
3 Results and Analysis
3.1 Perceived Difficulty
3.2 Search Engine Support
3.3 Task Completion Patterns
4 Conclusions
References
Health Suggestions: A Chrome Extension to Help Laypersons Search for Health Information
1 Introduction
2 Related Work
3 Health Suggestions
4 Experiment
4.1 Setup
4.2 Results
5 Conclusions and Future Work
References
Brazilian Social Mood: The Political Dimension of Emotion
Abstract
1 Introduction
2 Related Work
3 The Proposed Approach
4 Evaluation and Results
5 Conclusions and Future Works
References
CLEF 2016 Labs Overviews
Overview of the CLEF eHealth Evaluation Lab 2016
1 Introduction
2 Materials and Methods
2.1 Text Documents
2.2 Human Annotations, Queries, and Relevance Assessments
2.3 Evaluation Methods
3 Results
4 Conclusions
References
General Overview of ImageCLEF at the CLEF 2016 Labs
1 Introduction
2 Overview of Tasks and Participation
3 The Medical Task
3.1 Past Editions
3.2 Objectives and Subtasks for the 2016 Edition
3.3 Participation and Results
4 The Image Annotation Task
4.1 Past Editions
4.2 Objective and Task for the 2016 Edition
4.3 Participation and Results
5 The Handwritten Retrieval Task
5.1 Previous Work
5.2 Objective and Task for the 2016 Edition
5.3 Participation and Results
6 Conclusions
References
LifeCLEF 2016: Multimedia Life Species Identification Challenges
1 LifeCLEF Lab Overview
2 Task1: PlantCLEF
2.1 Dataset and Evaluation Protocol
2.2 Participants and Results
3 Task2: BirdCLEF
3.1 Data and Task Description
3.2 Participants and Results
4 Task3: SeaCLEF
4.1 Coral Reef Species Identification in Underwater Videos
4.2 Individual Humpback Whale Identification
5 Conclusions and Perspectives
References
Overview of NewsREEL'16: Multi-dimensional Evaluation of Real-Time Stream-Recommendation Algorithms
1 Introduction
2 Related Work
2.1 Benchmarking in Static Environments
2.2 Benchmarking in Dynamic Environments
3 Problem Description
3.1 Task 1: Benchmark News Recommendations in a Living Lab
3.2 Task 2: Benchmark News Recommendations in a Simulated Environment
3.3 Summary
4 Multi-dimensional Evaluation Online and Offline
4.1 Online Evaluation Methods
4.2 Offline Evaluation Methods
4.3 Discussion
5 The Participant Perspective
5.1 Opportunities
5.2 Validity and Fairness
5.3 Discussion
6 Evaluation Results
6.1 Task 1: Online Competition
6.2 Task 2: Offline Evaluation
6.3 Comparing Online and Offline
6.4 Participation
6.5 Discussion
7 Conclusion and Outlook
References
Overview of PAN'16
1 Introduction
2 Author Identification
2.1 Author Clustering
2.2 Author Diarization
3 Author Profiling
4 Author Obfuscation
5 Conclusions
References
Overview of the CLEF 2016 Social Book Search Lab
1 Introduction
2 Participating Organisations
3 The Amazon/LibraryThing Corpus
4 Suggestion Track
4.1 Track Goals and Background
4.2 Information Needs
4.3 Evaluation
5 Interactive Track
5.1 User Tasks
5.2 Experiment Structure
5.3 System and Interfaces
5.4 Participants
5.5 Procedure
5.6 Results
6 Mining Track
6.1 Track Goals and Background
6.2 Track Setup
6.3 Evaluation
6.4 Results
7 Conclusions and Plans
References
Overview of the CLEF 2016 Cultural Micro-blog Contextualization Workshop
1 Introduction
1.1 Context
1.2 Aims of the Workshop
2 Use Case Scenario
3 Datasets
3.1 Micro-blog Posts Collection
3.2 Linked Web Pages
3.3 Wikipedia Crawl
4 Micro-blog Corpus Insights
5 Experimented Tasks
6 Conclusion
References
Author Index

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Experimental IR Meets Multilinguality, Multimodality, and Interaction

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