Noun phrases in interactive query expansion and document ranking
نویسندگان
چکیده
منابع مشابه
Using Noun Phrases for Local Analysis in Automatic Query Expansion
Blind relevance feedback constitutes a widely used technique to improve the performance of IR systems. Its result is directly influenced by the correct choice of the potentially qualified features used to expand the initial query. It is well known the power of noun phrases in the role of descriptors with high discriminatory and informative potential. This work presents a local analysis techniqu...
متن کاملUNED at ImageCLEF 2004: Detecting Named Entities and Noun Phrases for Automatic Query Expansion and Structuring
This paper describes UNED experiments at the Image CLEF bilingual ad hoc task. Two different strategies are attempted: i) automatic expansion and translation using noun phrases; ii) automatic detection of named entities in the query for structured search on image caption fields. All our experiments obtain results above the average MAP for the bilingual task. Structured searches using named enti...
متن کاملInteractive Query Expansion and Relevance Feedback for Document Retrieval Systems
Copyright & reuse City University London has developed City Research Online so that its users may access the research outputs of City University London's staff. Copyright © and Moral Rights for this paper are retained by the individual author(s) and/ or other copyright holders. All material in City Research Online is checked for eligibility for copyright before being made available in the live ...
متن کاملUsing Noun Phrases and Tf-idf for Plagiarized Document Retrieval
This paper describes an approach submitted to the 2014 PAN competition for the source retrieval sub-task [7]. Both independent term and phrasal queries are generated, using either term frequency-inverse document frequency or noun phrases to select the terms.
متن کاملUse of Noun Phrases in Interactive Search Refinement
The paper presents an approach to interactively refining user search formulations and its evaluation in the new High Accuracy Retrieval from Documents (HARD) track of TREC-12. The method consists of showing to the user a list of noun phrases, extracted from the initial document set, and then expanding the query with the terms taken from the phrases selected by the user. The results show that th...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Information Retrieval
سال: 2006
ISSN: 1386-4564,1573-7659
DOI: 10.1007/s10791-006-6390-8