Automatic phrase indexing for document retrieval
SIGIR '87 Proceedings of the 10th annual international ACM SIGIR conference on Research and development in information retrieval
Progress in the application of natural language processing to information retrieval tasks
The Computer Journal - Special issue on information retrieval
Using WordNet to disambiguate word senses for text retrieval
SIGIR '93 Proceedings of the 16th annual international ACM SIGIR conference on Research and development in information retrieval
Proceedings of the 9th annual international ACM SIGIR conference on Research and development in information retrieval
Exploiting clustering and phrases for context-based information retrieval
Proceedings of the 20th annual international ACM SIGIR conference on Research and development in information retrieval
ECDL '97 Proceedings of the First European Conference on Research and Advanced Technology for Digital Libraries
From Static to Dynamic Surrogates: Resource Discovery in the Digital Age
From Static to Dynamic Surrogates: Resource Discovery in the Digital Age
Automatic phrase recognition and extraction from text
IRSG'97 Proceedings of the 19th Annual BCS-IRSG conference on Information Retrieval Research
Phrasier: a system for interactive document retrieval using keyphrases
Proceedings of the 22nd annual international ACM SIGIR conference on Research and development in information retrieval
Statistical phrases for vector-space information retrieval (poster abstract)
Proceedings of the 22nd annual international ACM SIGIR conference on Research and development in information retrieval
Human evaluation of Kea, an automatic keyphrasing system
Proceedings of the 1st ACM/IEEE-CS joint conference on Digital libraries
Journal of the American Society for Information Science and Technology
Interactive Query Expansion in a Meta-search Engine
NGIT '99 Proceedings of the 4th International Workshop on Next Generation Information Technologies and Systems
A prototype multilingual document browser for ancient Greek texts
The New Review of Hypermedia and Multimedia
Feature Weighting in k-Means Clustering
Machine Learning
Effect of relationships between words on Japanese information retrieval
ACM Transactions on Asian Language Information Processing (TALIP)
Implementing and evaluating phrasal query suggestions for proximity search
Information Systems
Implementing and evaluating phrasal query suggestions for proximity search
Information Systems
Non-contiguous word sequences for information retrieval
MWE '04 Proceedings of the Workshop on Multiword Expressions: Integrating Processing
The role of multi-word units in interactive information retrieval
ECIR'05 Proceedings of the 27th European conference on Advances in Information Retrieval Research
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The impact of using phrases as content representation for documents and for queries has generally been accepted as a desirable feature in information retrieval systems because phrases are generally regarded as being more content-bearing than their constituent words. This has been borne by experiments in which the impact of phrases on retrieval performance has usually been found to be positive. However, most of the experimental results reported have derived phrases from documents and from queries in a fully automatic way. While this is acceptable for document indexing it is less acceptable for query formulation which is increasingly heading towards being an iterative process with users investing time in browsing the term space to choose appropriate search terms. In this paper we report a series of experiments in which two users, one experienced and the other a novice, formulate their queries by browsing the term space in advance of issuing a retrieval request. For these users we analyse the relative contributions and the impact of single words and multi-word phrases as search terms, on overall retrieval performance. Our results have implications for how choosing phrases as search terms should be presented to novice and to experienced searchers.