Chris Buckley

Publication List Details

Period

1978 - 2008

Number

124

Co-Authors

Multi-Agent Simulation to Implementation: A Practical Engineering Methodology for Designing Space Flight Operations (2008)

William J. Clancey, Maarten Sierhuis, Chin Seah, Chris Buckley, Tim Hall, Mike Scott

Abstract. OCAMS is a practical engineering application of multi-agent systems technology, involving redesign of the tools and practices in a complex, distributed system. OCAMS is designed to assist...

Examining Overfitting in Relevance Feedback: Sabir (2008)

Chris Buckley

Sabir Research participated in TREC-2007 in the Million Query and Legal tracks. This

Abstract On the Use of Spreading Activation Methods in Automatic Information Retrieval (2008)

Gerard Salton, Chris Buckley

Spreading activation methods have been recommended in information retrieval to expand the search vocabulary and to complement the retrieved document sets. The spreading activation strategy is...

Abstract Pivoted Document Length Normalization (2008)

Amit Singhal, Chris Buckley, Manclar Mitra

Automatic information retrieval systems have to deal with documents of varying lengths in a text collection. Docu-ment length normalization is used to fairly retrieve docu-ments of all lengths. In...

AAAI 2003 Symposium on New Directions in Question Answering Recognizing and Organizing Opinions Expressed in the World Press (2008)

Janyce Wiebe, Eric Breck, Chris Buckley, Claire Cardie, Paul Davis, Bruce Fraser, ...

Tomorrow’s question answering systems will need to have the ability to process information about beliefs, opinions, and evaluations—the perspective of an agent. Answers to many simple factual

Multi-Agent Simulation to Implementation: A Practical Engineering Methodology for Designing Space Flight Operations (2008)

William J. Clancey, Maarten Sierhuis, Chin Seah, Chris Buckley, Tim Hall, Mike Scott

Abstract. OCAMS is a practical engineering application of multi-agent systems technology, involving redesign of the tools and practices in a complex, distributed system. OCAMS is designed to assist...

Abstract Pivoted Document Length Normalization (2008)

Amit Singhal, Chris Buckley, Ar Mitra

Automatic information retrieval systems have to deal with documents of varying lengths in a text collection. Document length normalization is used to fairly retrieve documents of all lengths. In this...

Abstract Evaluating Evaluation Measure Stability (2008)

Chris Buckley

This paper presents a novel way of examining the accuracy of the evaluation measures commonly used in information retrieval experiments. It validates several of the rules-of-thumb experimenters use,...

References (2008)

Gerard Salton, Chris Buckley Term, Gerard Salton, Chris Buckley Im, Gerard Salton, Chris Buckley Au, ...

proving retrieval performance by rele- vance feedback. Journal of the Amer- ican Society for Information Science, 41(4):288-297, 1990.

ABSTRACT Retrieval Evaluation with Incomplete Information (2008)

Chris Buckley

This paper examines whether the Cranfield evaluation methodology is robust to gross violations of the completeness assumption (i.e., the assumption that all relevant documents within a test...

QUERY EXPANSION SEEN THROUGH RETURN ORDER OF RELEVANT DOCUMENTS (2008)

Walter Liggett, Chris Buckley

There is a reservoir of knowledge in data from the TREC evaluations that analysis of precision and recall leaves untapped. This knowledge leads to better understanding of query expansion as this...

Abstract SMART High Precision: TREC 7 (2008)

Chris Buckley, Ar Mitra Y, Janet Walz, Claire Cardiey

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 7, concentrating on...

Looking at Limits and Tradeos: Sabir Research at (2008)

Trec Chris Buckley, Chris Buckley

Introduction Sabir Research participated in TREC-2005 in the Terabyte, Robust, and document retrieval part of the Question Answering tracks. This writeup focuses on the Robust track, and in...

Improving End-User Efficiency Using the Smart/Empire IR System (2007)

Chris Buckley, Claire Cardie, Scott Mardis, Ar Mitra, David Pierce, Kiri Wagstaff, ...

The primary goal of the Cornell/Sabir TIPSTER Phase III project was to develop techniques to improve the end-user efficiency of information retrieval (IR) systems. We focused our investigations in...

1 (2007)

Claire Cardie, Vincent Ng, David Pierce, Chris Buckley

We describe and evaluate an implemented system for general-knowledge question answering. The system combines techniques for standard ad-hoc information retrieval (IR), query-dependent text...

Query Expansion Seen through Return Order of Relevant Documents (2007)

Walter Liggett, Chris Buckley

There is a reservoir of knowledge in data from the TREC evaluations that analysis of precision and recall leaves untapped. This knowledge leads to better understanding of query expansion as this...

Sabir Research at TREC 9 (2007)

Chris Buckley And, Chris Buckley, Janet Walz

top groups, which include other groups that were running SMART like AT&T [4], we obviously need to look at things in more detail. One known weakness in our current setup is choice of query...

Towards the development of a salinity impact category for South African life cycle assessments: part 2 - a conceptual multimedia environmental fate and effect model (2004)

Leske, Tony, Buckley, Chris

In Part 1 of the series, it was shown that there is sufficient justification for the creation of a separate salinity impact category. In this paper, the fundamental basis of environmental life cycle...

Towards the development of a salinity impact category for South African life cycle assessments: part 3 - salinity potentials (2004)

Leske, Tony, Buckley, Chris

In Part 2 of this series of papers, a conceptual characterisation model was proposed for the inclusion of salinity impacts into environmental life cycle assessments. In this, the final part of the...

Towards the development of a salinity impact category for South African environmental life-cycle assessments : Part 1 - A new impact category (2004)

Leske, Tony, Buckley, Chris

Environmental life-cycle assessments conducted in South Africa to date have made use of published equivalency (or characterisation) factors for characterising ecotoxicity effects. These factors are...

Recognizing and organizing opinions expressed in the world press (2003)

Janyce Wiebe, Eric Breck, Chris Buckley, Claire Cardie, Paul Davis, Bruce Fraser, ...

Tomorrow’s question answering systems will need to have the ability to process information about beliefs, opinions, and evaluations—the perspective of an agent. Answers to many simple factual

Recognizing and Organizing Opinions (2003)

Expressed In The, Janyce Wiebe, Eric Breck, Chris Buckley, Claire Cardie, Paul Davis, ...

This paper reports on an exploratory project investigating multiple perspectives in question answering (MPQA). The project was conducted as a summer workshop

Examining the role of statistical and linguistic knowledge sources in a general-knowledge question-answering system (2000)

Claire Cardie, Vincent Ng, David Pierce, Chris Buckley

We describe and evaluate an implemented system for general-knowledge question answering. The sys-tem combines techniques for standard ad-hoc infor-mation retrieval (IR), query-dependent text...

Evaluating Evaluation Measure Stability (2000)

Chris Buckley Sabir, Chris Buckley, Ellen M. Voorhees

This paper presents a novel way of examining the accuracy of the evaluation measures commonly used in information retrieval experiments. It validates several of the rules-of-thumb experimenters use,...

Examining the Role of Statistical and Linguistic Knowledge Sources in a General-Knowledge Question-Answering System (2000)

Claire Cardie, Vincent Ng, David Pierce, Chris Buckley

We describe and evaluate an implemented system for general-knowledge question answering. The system combines techniques for standard ad-hoc information retrieval (IR), query-dependent text...

The Smart/Empire TIPSTER IR System (2000)

Chris Buckley, Janet Walz, Claire Cardie, Scott Mardis, Mandar Mitra, Ar Mitra, ...

this document is emphasized in color so that it can be quickly perused, while the duplicate material can be ignored. 3. Long documents can be automatically summarized, within the context of the...

C.: Examining the role of statistical and linguistic knowledge sources in a general-knowledge question-answering system (2000)

Claire Cardie, Vincent Ng, David Pierce, Chris Buckley

We describe and evaluate an implemented system for general-knowledge question answering. The system combines techniques for standard ad-hoc information retrieval (IR), query-dependent text...

The Smart/Empire TIPSTER IR System (1999)

Chris Buckley, Janet Walz, Claire Cardie, Scott Mardis, Ar Mitra, David Pierce, ...

The primary goal of the Cornell/Sabir TIPSTER Phase III project is to develop techniques to improve the end-user efficiency of information retrieval (IR) systems. We have

Improving automatic query expansion (1998)

Ar Mitra, Amir Singhal T, Chris Buckley

Most casual users of IR systems type short queries. Recent resem'ch has shown that adding new words to these queries via blind feedback, without my input from the user, improves the performmine...

Using Clustering and SuperConcepts Within SMART : TREC 6 (1998)

Chris Buckley Mandar, Chris Buckley, Mandar Mitra

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 6, performing runs in...

Using Clustering and SuperConcepts Within SMART: TREC 6 (1998)

Chris Buckley, Ar Mitra Y, Janet Walz, Claire Cardiey

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. Wecontinue our work in TREC 6, performing runs in...

SMART High Precision : TREC 7 (1997)

Chris Buckley, Mandar Mitra

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 7, concentrating on...

Automatic Text Summarization by Paragraph Extraction (1997)

Mandar Mitra, Amit Singhal, Chris Buckley

The decision this week by U.S. District Judge John E. Jones III declaring unconstitutional the Dover, Pa., school board's advocacy of ``intelligent design'' is not binding on any other...

An Analysis of Statistical and Syntactic Phrases (1997)

Mandar Mitra, Chris Buckley, Amit Singhal, Claire Cardie

As the amount of textual information available through the World Wide Web grows, there is a growing need for high-precision IR systems that enable a user to find useful information from the masses of...

Learning Routing Queries in a Query Zone (1997)

Amit Singhal, Mandar Mitra, Chris Buckley

Word usage is domain dependent. A common word in one domain can be quite infrequent in another. In this study we exploit this property of word usage to improve document routing. We show that routing...

SMART High Precision : TREC 7 (1997)

Chris Buckley, Mandar Mitra

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 7, concentrating on...

Pivoted Document Length Normalization (1996)

Amit Singhal, Chris Buckley, Mandar Mitra, Ar Mitra

Automatic information retrieval systems have to deal with documents of varying lengths in a text collection. Document length normalization is used to fairly retrieve documents of all lengths. In this...

Automatic Text Decomposition Using Text Segments and Text Themes (1995)

Salton, Gerard, Singhal, Amit, Buckley, Chris, Mitra, Mandar

With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...

Pivoted Document Length Normalization (1995)

Singhal, Amit, Buckley, Chris, Mitra, Mandar, Salton, Gerard

Document length normalization is an important aspect of term weight assignment in an automatic information retrieval system. In this study, we observe that a normalization scheme that retrieves...

Automatic Text Decomposition Using Text Segments and Text Themes (1995)

Salton, Gerard, Singhal, Amit, Buckley, Chris, Mitra, Mandar

With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...

Pivoted Document Length Normalization (1995)

Singhal, Amit, Buckley, Chris, Mitra, Mandar, Salton, Gerard

Document length normalization is an important aspect of term weight assignment in an automatic information retrieval system. In this study, we observe that a normalization scheme that retrieves...

Document Length Normalization (1995)

Singhal, Amit, Salton, Gerard, Mitra, Mandar, Buckley, Chris

In the TREC collection -- a large full-text experimental text collection with widely varying document lengths -- we observe that the likelihood of a document being judged relevant by a user increases...

Document Length Normalization (1995)

Singhal, Amit, Salton, Gerard, Mitra, Mandar, Buckley, Chris

In the TREC collection -- a large full-text experimental text collection with widely varying document lengths -- we observe that the likelihood of a document being judged relevant by a user increases...

Length Normalization in Degraded Text Collections (1995)

Singhal, Amit, Salton, Gerard, Buckley, Chris

Optical character recognition (OCR) is the most commonly used technique to convert printed material into electronic form. Using OCR, large repositories of machine readable text can be created in a...

Length Normalization in Degraded Text Collections (1995)

Singhal, Amit, Salton, Gerard, Buckley, Chris

Optical character recognition (OCR) is the most commonly used technique to convert printed material into electronic form. Using OCR, large repositories of machine readable text can be created in a...

Length Normalization in Degraded Text Collections (1995)

Amit Singhal, Gerard Salton, Chris Buckley

Optical character recognition (OCR) is the most commonly used technique to convert printed material into electronic form. Using OCR, large repositories of machine readable text can be created in a...

Probabilistic learning approaches for indexing and retrieval with the TREC-2 collection (1994)

Norbert Fuhr, Ulrich Pfeifer, Christoph Bremkamp, Michael Pollmann, Chris Buckley

In this paper, we describe the application of probabilistic models for indexing and retrieval with the TREC-2 collection. This database consists of about a million documents (2 gigabytes of data) and...

Probabilistic Learning Approaches for Indexing and Retrieval with the TREC-2 Collection (1994)

Norbert Fuhr, Ulrich Pfeifer, Christoph Bremkamp, Michael Pollmann, Chris Buckley

this paper, we describe some improvements of the indexing and retrieval procedures. Due to the tight schedule of TREC-2, we also mention some work that is still under way, so it could not be...

The Effect of Adding Relevance Information in a Relevance Feedback Environment (1994)

Chris Buckley, Gerard Salton, James Allan

The effects of adding information from relevant documents are examined in the TREC routing environment. A modified Rocchio relevance feedback approach is used, with a varying number of relevant...

Automatic Routing and Ad-hoc Retrieval Using SMART : TREC 2 (1994)

Chris Buckley, James Allan, Gerard Salton

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in the TREC 2 environment,...

OHSUMED: An interactive retrieval evaluation and new large test collection for research (1994)

Chris Buckley

A series of information retrieval experiments was earned out with a computer installed in a medical practice setting for relatively inexperienced physician end-users. Using a commercial MEDLINE...

Approaches to Passage Retrieval in Full Text Information Systems (1993)

Salton, Gerard, Allan, James, Buckley, Chris

Large collections of full-text documents are now commonly used in automated information retrieval. When the stored document texts are long, the retrieval of complete documents may not be in the...

Approaches to Passage Retrieval in Full Text Information Systems (1993)

Salton, Gerard, Allan, James, Buckley, Chris

Large collections of full-text documents are now commonly used in automated information retrieval. When the stored document texts are long, the retrieval of complete documents may not be in the...

Optimizing Document Indexing and Search Term Weighting Based on Probabilistic Models (1993)

Norbert Fuhr, Chris Buckley

We describe the application of probabilistic indexing and retrieval methods to the TREC material. For document indexing, we apply a description-oriented approach which uses relevance feedback...

Selective Use of Full-Text Databases (1992)

Salton, Gerard, Allan, James, Buckley, Chris

Large files of natural-language text are now available for automatic processing in machine readable form. Such text files may include documents of textbook size, medium-size newspaper articles and...

Selective Use of Full-Text Databases (1992)

Salton, Gerard, Allan, James, Buckley, Chris

Large files of natural-language text are now available for automatic processing in machine readable form. Such text files may include documents of textbook size, medium-size newspaper articles and...

Automatic Structuring and Retrieval of Large Text Files (1992)

Salton, Gerard, Allan, James, Buckley, Chris

In many operational environments, large text files must be processed covering a wide variety of different topic areas. Aids must then be provided to the user that permit collection browsing and make...

Automatic Structuring and Retrieval of Large Text Files (1992)

Salton, Gerard, Allan, James, Buckley, Chris

In many operational environments, large text files must be processed covering a wide variety of different topic areas. Aids must then be provided to the user that permit collection browsing and make...

Automatic Structuring of Text Files (1992)

Gerard Salton Chris, Chris Buckley, James Allan

In many practical information retrieval situations, it is necessary to process heterogeneous text databases that vary greatly in scope and coverage, and deal with many different subjects. In such an...

Automatic Structuring of Text Files (1991)

Salton, Gerard, Buckley, Chris, Allan, James

In many practical information retrieval situations, it is necessary to process heterogeneous text databases that vary greatly in scope and coverage, and deal with many different subjects. In such an...

Automatic Structuring of Text Files (1991)

Salton, Gerard, Buckley, Chris, Allan, James

In many practical information retrieval situations, it is necessary to process heterogeneous text databases that vary greatly in scope and coverage, and deal with many different subjects. In such an...

Automatic Text Structuring and Retrieval- Experiments in Automatic Encyclopedia Searching (1991)

Salton, Gerard, Buckley, Chris

Many conventional approaches to text analysis and information retrieval prove ineffective when large text collections must be processed in heterogeneous subject areas. An alternative text...

Automatic Text Structuring and Retrieval- Experiments in Automatic Encyclopedia Searching (1991)

Salton, Gerard, Buckley, Chris

Many conventional approaches to text analysis and information retrieval prove ineffective when large text collections must be processed in heterogeneous subject areas. An alternative text...

A probabilistic learning approach for document indexing (1991)

Norbert Fuhr, Th Darmstadt, Chris Buckley

We describe a method for probabilistic document indexing using relevance feedback data that has been collected from a set of queries. Our approach is based on three new concepts: (1) Abstraction from...

A probabilistic learning approach for document indexing (1991)

Norbert Fuhr, Th Darmstadt, Chris Buckley

We describe a method for probabilistic document indexing using relevance feedback data that has been collected from a set of queries. Our approach is based on three new concepts: (1) Abstraction from...

A Note on Term Weighting and Text Matching (1990)

Salton, Gerard, Buckley, Chris

In information retrieval, it is not uncommon to be faced with large collections of unrestricted natural-language text. In such circumstances, the text analysis and retrieval operations must be based...

A Note on Term Weighting and Text Matching (1990)

Salton, Gerard, Buckley, Chris

In information retrieval, it is not uncommon to be faced with large collections of unrestricted natural-language text. In such circumstances, the text analysis and retrieval operations must be based...

Flexible Text Matching for Information Retrieval (1990)

Salton, Gerard, Buckley, Chris

Very large text databases now exist in machine-readable form, covering arbitrary subject matter in unrestricted discourse areas. The conventional text retrieval approaches are not easily used in such...

Flexible Text Matching for Information Retrieval (1990)

Salton, Gerard, Buckley, Chris

Very large text databases now exist in machine-readable form, covering arbitrary subject matter in unrestricted discourse areas. The conventional text retrieval approaches are not easily used in such...

A Simple Syntactic Approach for the Generation of Indexing Phrases (1990)

Salton, Gerard, Zhao, Zhongnan, Buckley, Chris

A syntactic approach is described for generating indexing phrases usable for the content identification of natural-language texts. The phrase generation method is based on a simple language analysis...

A Simple Syntactic Approach for the Generation of Indexing Phrases (1990)

Salton, Gerard, Zhao, Zhongnan, Buckley, Chris

A syntactic approach is described for generating indexing phrases usable for the content identification of natural-language texts. The phrase generation method is based on a simple language analysis...

An Evaluation of Text Matching Systems for Text Excerpts of Varying Scope (1990)

Salton, Gerard, Buckley, Chris

When large text collections must be processed, it is not possible to limit the scope of the subject matter of interest. In such a situation the standard content analysis methods that are based on the...

An Evaluation of Text Matching Systems for Text Excerpts of Varying Scope (1990)

Salton, Gerard, Buckley, Chris

When large text collections must be processed, it is not possible to limit the scope of the subject matter of interest. In such a situation the standard content analysis methods that are based on the...

Text Linking and Retrieval Experiments for Textbook Components (1990)

Salton, Gerard, Buckley, Chris, Zhao, Zhongnan

Experiments are described designed to retrieve individual paragraphs of textbook material in answer to user-submitted queries. The retrieval strategies are based on the global comparison of paragraph...

Text Linking and Retrieval Experiments for Textbook Components (1990)

Salton, Gerard, Buckley, Chris, Zhao, Zhongnan

Experiments are described designed to retrieve individual paragraphs of textbook material in answer to user-submitted queries. The retrieval strategies are based on the global comparison of paragraph...

Approaches to Global Text Analysis (1990)

Salton, Gerard, Buckley, Chris

The current approaches to the analysis of natural language text are not viable for documents of unrestricted scope. A global text analysis system is proposed designed to identify homogeneous text...

Approaches to Global Text Analysis (1990)

Salton, Gerard, Buckley, Chris

The current approaches to the analysis of natural language text are not viable for documents of unrestricted scope. A global text analysis system is proposed designed to identify homogeneous text...

Approaches to Text Retreival for Structured Documents (1990)

Salton, Gerard, Buckley, Chris

Documents such as textbooks, dictionaries, and encyclopedias are inherently structured, in the sense that they are meant to be used selectively by skipping from section to section instead of reading...

Approaches to Text Retreival for Structured Documents (1990)

Salton, Gerard, Buckley, Chris

Documents such as textbooks, dictionaries, and encyclopedias are inherently structured, in the sense that they are meant to be used selectively by skipping from section to section instead of reading...

Improving retrieval performance by relevance feedback (1990)

Gerard Salton, Chris Buckley

Relevance feedback is an automatic process, introduced over 20 years ago, designed to produce improved query formulations following an initial retrieval operation. The principal relevance feedback...

A Comparison Between Statistically and Sytactically Generated Term Phrases (1989)

Salton, Gerard, Buckley, Chris

It is customary to use single terms (words) or terms in context (phrases) as indexing units for the representation of natural-language text content. There is evidence that term phrases may provide...

A Comparison Between Statistically and Sytactically Generated Term Phrases (1989)

Salton, Gerard, Buckley, Chris

It is customary to use single terms (words) or terms in context (phrases) as indexing units for the representation of natural-language text content. There is evidence that term phrases may provide...

Formalization and Evaluation of Linear Relevance Feedback (1989)

Wong, S. K. M., Yao, Y. Y., Salton, Gerard, Buckley, Chris

This study outlines an adaptive method which constructs improved query vectors based on the user preference judgments on sample document pairs. In particular, the user states that some documents are...

On the Automatic Generation of Content Links in Hypertext (1989)

Salton, Gerard, Buckley, Chris

Text structuring systems that provide links between text portions have been widely proposed as aids for text preparation and text manipulation. In principle, it is easy to follow available links...

Formalization and Evaluation of Linear Relevance Feedback (1989)

Wong, S. K. M., Yao, Y. Y., Salton, Gerard, Buckley, Chris

This study outlines an adaptive method which constructs improved query vectors based on the user preference judgments on sample document pairs. In particular, the user states that some documents are...

On the Automatic Generation of Content Links in Hypertext (1989)

Salton, Gerard, Buckley, Chris

Text structuring systems that provide links between text portions have been widely proposed as aids for text preparation and text manipulation. In principle, it is easy to follow available links...

On the Use of Spreading Activation Methods in Automatic Information Retrieval (1988)

Salton, Gerard, Buckley, Chris

Spreading activation methods have been recommended in information retrieval to expand the search vocabulary and to complement the retrieved document sets. The spreading activation strategy is...

On the Use of Spreading Activation Methods in Automatic Information Retrieval (1988)

Salton, Gerard, Buckley, Chris

Spreading activation methods have been recommended in information retrieval to expand the search vocabulary and to complement the retrieved document sets. The spreading activation strategy is...

Improving Retrieval Performance by Relevance Feedback (1988)

Salton, Gerard, Buckley, Chris

Relevance feedback is an automatic process, introduced over 20 years ago, designed to produce query formulations following an initial retrieval operation. The principal relevance feedback methods...

Improving Retrieval Performance by Relevance Feedback (1988)

Salton, Gerard, Buckley, Chris

Relevance feedback is an automatic process, introduced over 20 years ago, designed to produce query formulations following an initial retrieval operation. The principal relevance feedback methods...

Parallel Text Search Methods (1988)

Gerard Salton, Chris Buckley

A comparison of recently proposed parallel text search methods to alternative available search strategies that use serial processing machines suggests parallel methods do not provide large-scale...

Term Weighting Approaches in Automatic Text Retrieval (1987)

Salton, Gerard, Buckley, Chris

The experimental evidence accumulated over the past 20 years indicates that textindexing systems based on the assignment of appropriately weighted single terms produce retrieval results that are...

Term Weighting Approaches in Automatic Text Retrieval (1987)

Salton, Gerard, Buckley, Chris

The experimental evidence accumulated over the past 20 years indicates that textindexing systems based on the assignment of appropriately weighted single terms produce retrieval results that are...

Parallel Text Search Methods (1987)

Salton, Gerard, Buckley, Chris

An evaluation of recently proposed parallel text search methods does not support the notion that the parallel methods provide large-scale gains in either retrieval effectiveness or efficiency,...

Parallel Text Search Methods (1987)

Salton, Gerard, Buckley, Chris

An evaluation of recently proposed parallel text search methods does not support the notion that the parallel methods provide large-scale gains in either retrieval effectiveness or efficiency,...

A Generalized Term Dependence Model in Information Retrieval (1983)

Yu, C. T., Buckley, Chris, Lam, K., Salton, Gerard

The tree dependence model has been used successfully to incorporate dependencies between certain term pairs on the information retrieval process, while the Bahadur Lazarsfeld Expansion (BLE) which...

A Generalized Term Dependence Model in Information Retrieval (1983)

Yu, C. T., Buckley, Chris, Lam, K., Salton, Gerard

The tree dependence model has been used successfully to incorporate dependencies between certain term pairs on the information retrieval process, while the Bahadur Lazarsfeld Expansion (BLE) which...

Boolean Query Formulation with Relevance Feedback (1983)

Salton, Gerard, Fox, Edward A., Buckley, Chris, Voorhees, Ellen M.

The well-known relevance feedback process uses information extracted from previously retrieved relevant documents to generate improved search formulations for subsequent search iterations. Methods...

Boolean Query Formulation with Relevance Feedback (1983)

Salton, Gerard, Fox, Edward A., Buckley, Chris, Voorhees, Ellen M.

The well-known relevance feedback process uses information extracted from previously retrieved relevant documents to generate improved search formulations for subsequent search iterations. Methods...

Automatic Query Formulations in Information Retrieval (1982)

Salton, Gerard, Buckley, Chris, Fox, Edward A.

Modern information retrieval systems are designed to supply relevant information in response to requests received from the user population. In most retrieval environments the search requests consist...

Automatic Query Formulations in Information Retrieval (1982)

Salton, Gerard, Buckley, Chris, Fox, Edward A.

Modern information retrieval systems are designed to supply relevant information in response to requests received from the user population. In most retrieval environments the search requests consist...

SMART in TREC 8

Chris Buckley, Janet Walz

This year was a light year for the Smart Information Retrieval Project at SabIR Research and Cornell. We ocially participated in only the Ad-hoc Task and the Query Track. In the Ad-hoc Task, we made...

Automatic Query Expansion Using SMART : TREC 3

Chris Buckley

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 3, performing runs in...

New Retrieval Approaches Using SMART : TREC 4

Chris Buckley

The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 4, performing runs in...

Automatic Text Decomposition Using Text Segments and Text Themes

Gerard Salton, Amit Singhal, Chris Buckley, Ar Mitra

With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...

Improving Automatic Query Expansion

Mandar Mitra, Amit Singhal, Chris Buckley

Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via blind feedback, without any input from the user, improves the performance of...

Automatic Text Decomposition Using Text Segments and Text Themes

Gerard Salton, Amit Singhal, Chris Buckley, Mandar Mitra, Ar Mitra

With the widespread use of full-text information retrieval, passage-retrieval techniques are becoming increasingly popular. Larger texts can then be replaced by important text excerpts, thereby...