Information Processing and Management: an International Journal - The Potential for Improvments in Commerical Document Retrieval Systems
Approaches to passage retrieval in full text information systems
SIGIR '93 Proceedings of the 16th annual international ACM SIGIR conference on Research and development in information retrieval
Passage-level evidence in document retrieval
SIGIR '94 Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval
Relevance ranking for one to three term queries
Information Processing and Management: an International Journal
IR-n: A Passage Retrieval System at CLEF-2001
CLEF '01 Revised Papers from the Second Workshop of the Cross-Language Evaluation Forum on Evaluation of Cross-Language Information Retrieval Systems
The role of context in question answering systems
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Natural language question answering: the view from here
Natural Language Engineering
Analyses for elucidating current question answering technology
Natural Language Engineering
Experiments with open-domain textual Question Answering
COLING '00 Proceedings of the 18th conference on Computational linguistics - Volume 1
Performance issues and error analysis in an open-domain Question Answering system
ACL '02 Proceedings of the 40th Annual Meeting on Association for Computational Linguistics
Is question answering an acquired skill?
Proceedings of the 13th international conference on World Wide Web
The effect of document retrieval quality on factoid question answering performance
Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
Scoring missing terms in information retrieval tasks
Proceedings of the thirteenth ACM international conference on Information and knowledge management
Approximating the top-m passages in a parallel question answering system
Proceedings of the thirteenth ACM international conference on Information and knowledge management
Question answering passage retrieval using dependency relations
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
Bootstrapping dictionaries for cross-language information retrieval
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
Accurately extracting coherent relevant passages using hidden Markov models
Proceedings of the 14th ACM international conference on Information and knowledge management
Building a reusable test collection for question answering
Journal of the American Society for Information Science and Technology - Research Articles
Mining dependency relations for query expansion in passage retrieval
SIGIR '06 Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval
A semantic approach to boost passage retrieval effectiveness for question answering
ACSC '06 Proceedings of the 29th Australasian Computer Science Conference - Volume 48
Extraction of coherent relevant passages using hidden Markov models
ACM Transactions on Information Systems (TOIS)
User simulations for evaluating answers to question series
Information Processing and Management: an International Journal
An exploration of the principles underlying redundancy-based factoid question answering
ACM Transactions on Information Systems (TOIS)
A no-frills architecture for lightweight answer retrieval
Proceedings of the 16th international conference on World Wide Web
Locating thematic pinpoints in narrative texts with short phrases: a test study on Don Quixote
Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries
The role of information retrieval in answering complex questions
COLING-ACL '06 Proceedings of the COLING/ACL on Main conference poster sessions
An exploration of proximity measures in information retrieval
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Structured retrieval for question answering
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Open-domain question: answering
Foundations and Trends in Information Retrieval
Document retrieval for question answering: a quantitative evaluation of text preprocessing
Proceedings of the ACM first Ph.D. workshop in CIKM
Lightweight web-based fact repositories for textual question answering
Proceedings of the sixteenth ACM conference on Conference on information and knowledge management
Question-driven segmentation of lecture speech text: Towards intelligent e-learning systems
Journal of the American Society for Information Science and Technology
A weighted string pattern matching-based passage ranking algorithm for video question answering
Expert Systems with Applications: An International Journal
An answer passage retrieval strategy for web-based question answering
Proceedings of the 2nd international conference on Scalable information systems
Exploring the Application of Fuzzy Logic and Data Fusion Mechanisms in QAS
WILF '07 Proceedings of the 7th international workshop on Fuzzy Logic and Applications: Applications of Fuzzy Sets Theory
A Comparison of Genetic Algorithms for Optimizing Linguistically Informed IR in Question Answering
AI*IA '07 Proceedings of the 10th Congress of the Italian Association for Artificial Intelligence on AI*IA 2007: Artificial Intelligence and Human-Oriented Computing
Passage relevance models for genomics search
Proceedings of the 2nd international workshop on Data and text mining in bioinformatics
Semantically driven snippet selection for supporting focused web searches
Data & Knowledge Engineering
Computers in Biology and Medicine
BVideoQA: Online English-Chinese bilingual video question answering
Journal of the American Society for Information Science and Technology
Positional language models for information retrieval
Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval
Evaluation of the clinical question answering presentation
BioNLP '09 Proceedings of the Workshop on Current Trends in Biomedical Natural Language Processing
Semitic '05 Proceedings of the ACL Workshop on Computational Approaches to Semitic Languages
Exact phrases in information retrieval for question answering
IRQA '08 Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering
Simple is best: experiments with different document segmentation strategies for passage retrieval
IRQA '08 Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering
Passage retrieval for question answering using sliding windows
IRQA '08 Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering
A data driven approach to query expansion in question answering
IRQA '08 Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering
Indexing on semantic roles for question answering
IRQA '08 Coling 2008: Proceedings of the 2nd workshop on Information Retrieval for Question Answering
Can Shallow Semantic Class Information Help Answer Passage Retrieval?
AI '09 Proceedings of the 22nd Australasian Joint Conference on Advances in Artificial Intelligence
Applying data fusion methods to passage retrieval in QAS
MCS'07 Proceedings of the 7th international conference on Multiple classifier systems
Utilizing passage-based language models for ad hoc document retrieval
Information Retrieval
Assessing the impact of thesaurus-based expansion techniques in QA-centric IR
CLEF'08 Proceedings of the 9th Cross-language evaluation forum conference on Evaluating systems for multilingual and multimodal information access
The answer validation system ProdicosAV dedicated to French
CLEF'08 Proceedings of the 9th Cross-language evaluation forum conference on Evaluating systems for multilingual and multimodal information access
From frequency to meaning: vector space models of semantics
Journal of Artificial Intelligence Research
Rank learning for factoid question answering with linguistic and semantic constraints
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
CLEF'09 Proceedings of the 10th cross-language evaluation forum conference on Multilingual information access evaluation: text retrieval experiments
What is not in the bag of words for why-qa?
Computational Linguistics
AskHERMES: An online question answering system for complex clinical questions
Journal of Biomedical Informatics
FACTO: a fact lookup engine based on web tables
Proceedings of the 20th international conference on World wide web
Extraction of contextual information from medical case research report using WordNet
COMPUTE '11 Proceedings of the Fourth Annual ACM Bangalore Conference
Passage reranking for question answering using syntactic structures and answer types
ECIR'11 Proceedings of the 33rd European conference on Advances in information retrieval
Query-feature graphs: bridging user vocabulary and system functionality
Proceedings of the 24th annual ACM symposium on User interface software and technology
Hot-spot passage retrieval in question answering
ICADL'04 Proceedings of the 7th international Conference on Digital Libraries: international collaboration and cross-fertilization
Discovering links between lexical and surface features in questions and answers
WebKDD'04 Proceedings of the 6th international conference on Knowledge Discovery on the Web: advances in Web Mining and Web Usage Analysis
A re-examination of IR techniques in QA system
IJCNLP'04 Proceedings of the First international joint conference on Natural Language Processing
Answers, not links: extracting tips from yahoo! answers to address how-to web queries
Proceedings of the fifth ACM international conference on Web search and data mining
Analysis of textual data with multiple classes
ISMIS'05 Proceedings of the 15th international conference on Foundations of Intelligent Systems
A new passage ranking algorithm for video question answering
PSIVT'06 Proceedings of the First Pacific Rim conference on Advances in Image and Video Technology
Learning from the past: answering new questions with past answers
Proceedings of the 21st international conference on World Wide Web
MLDM'12 Proceedings of the 8th international conference on Machine Learning and Data Mining in Pattern Recognition
Improving word representations via global context and multiple word prototypes
ACL '12 Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics: Long Papers - Volume 1
Predicting the performance of passage retrieval for question answering
Proceedings of the 21st ACM international conference on Information and knowledge management
Collaboratively built semi-structured content and Artificial Intelligence: The story so far
Artificial Intelligence
A support vector machine-based context-ranking model for question answering
Information Sciences: an International Journal
Finding needles in the haystack: search and candidate generation
IBM Journal of Research and Development
Textual evidence gathering and analysis
IBM Journal of Research and Development
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Improving passage ranking with user behavior information
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Position-based contextualization for passage retrieval
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Enhancement of passage scorers by proximity-based term occurrence weighting
International Journal of Intelligent Information and Database Systems
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Passage retrieval is an important component common to many question answering systems. Because most evaluations of question answering systems focus on end-to-end performance, comparison of common components becomes difficult. To address this shortcoming, we present a quantitative evaluation of various passage retrieval algorithms for question answering, implemented in a framework called Pauchok. We present three important findings: Boolean querying schemes perform well in the question answering task. The performance differences between various passage retrieval algorithms vary with the choice of document retriever, which suggests significant interactions between document retrieval and passage retrieval. The best algorithms in our evaluation employ density-based measures for scoring query terms. Our results reveal future directions for passage retrieval and question answering.