Christof Monz

International Journal on Document Analysis and Recognition manuscript No. (will be inserted by the editor) Document Understanding for a Broad Class of Documents (2008)

This paper investigates the formal pragmatics of ambiguous expressions by modeling ambiguity in a multi-agent system. Such a framework allows us to give a more refined notion of the kind of...

Marco Aiello, Christof Monz, Leon Todoran, Marcel Worring

Abstract. We present a document analysis system able to assign logical labels and extract the reading order in a broad set of documents. All information sources, from geometric features and spatial...

Digital Object Identifier (DOI) 10.1007/s10032-002-0080-x Document understanding for a broad class of documents (2008)

Marco Aiello, Christof Monz, Leon Todoran, Marcel Worring

Abstract. We present a document analysis system able to assign logical labels and extract the reading order in a broad set of documents. All information sources, from geometric features and spatial...

General Terms (2008)

TREC 2003 Robust and Web tracks. For the (2008)

In this year’s CLEF submissions we focus on using a state-of-the-art statistical machine translation approach for ad-hoc cross-language retrieval. Our machine translation approach is phrase-based...

Jaap Kamps, Christof Monz, Maarten Rijke, Börkur Sigurbjörnsson

Abstract: We describe our participation in the

ccb clsp jhu edu (Meta-) Evaluation of Machine Translation (2008)

Christof Monz, Queen Mary

christof dcs qmul ac uk This paper evaluates the translation quality of machine translation systems for 8 language pairs: translating French, German, Spanish, and Czech to English and back. We...

Chapter 16 Dynamic Semantics and Ambiguity (2007)

Exploiting Structure for Information Retrieval (2007)

Abstract. Ambiguity is one of the most difficult problems in natural language processing. We present a dynamic semantics which gives a formal account of the behavior of ambiguous expressions...

Jaap Kamps, Maarten Marx, Christof Monz, Maarten De Rijke

Structured elements are pervasive in digital libraries, product catalogs, scientific data collections and on the Internet. One of our research aims is to investigate the ways in which the additional...

1 1 International Journal on Document Analysis and Recognition manuscript No. (will be inserted by the editor) Document Understanding for a Broad Class of Documents (2007)

Marco Aiello, Christof Monz, Leon Todoran, Marcel Worring

Abstract. We present a document analysis system able to assign logical labels and extract the reading order in a broad set of documents. All information sources, from geometric features and spatial...

Contents (2007)

Carlos Areces, Christof Monz, Hans De Nivelle, Maarten De Rijke

In this short note we discuss several perspectives on the notion of Guarded Fragments (GFs) of first-order logic first introduced by Andreka, van Benthem and Nemeti. We focus on computational...

Deductions with Meaning (2007)

Retrieval; H.3.4 Systems and Software; H.3.7 Digital Libraries General Terms Measurement, Performance, Experimentation (2007)

Abstract. In this paper, we consider some of the problems that arise if automated reasoning methods are applied to natural language semantics. It turns that out that the problem of ambiguity has a...

Jaap Kamps, Christof Monz, Maarten Rijke, Börkur Sigurbjörnsson

The vast majority of research in information retrieval is done using English collections and topics. This raises questions about the effectiveness of retrieval strategies for other languages. To...

Symbolic MT With Statistical NLP Components (2007)

Dorr, Bonnie J., Habash, Nizar Y., Monz, Christof

This reports provides an overview of the findings and software that have evolved from the "Symbolic MT with Statistical NLP Components" project over the last year. We present the major goals that...

Use of Minimal Lexical Conceptual Structures for Single-Document Summarization (2007)

Dorr, Bonnie J., Habash, Nizar Y., Monz, Christof, Schwartz, Richard

This reports provides an overview of the findings and software that have evolved from the Use of Minimal Lexical Conceptual Structures for Single-Document Summarization project over the last six...

Model Tree Learning for Query Term Weighting in Question Answering (2007)

Proceedings of the Workshop on Statistical Machine Translation, pages 102--121, (2006)

Abstract. Question answering systems rely on retrieval components to identify documents that contain an answer to a user’s question. The formulation of queries that are used for retrieving those...

Programme Chairs (2007)

Held In Amsterdam, The Netherl, Andrew Trotman, Shlomo Geva, Jaap Kamps, Andrew Trotman, ...

Proceedings of the

New York City, Christof Monz

We evaluated machine translation performance for six European language pairs that participated in a shared task: translating French, German, Spanish texts to English and back. Evaluation was done...

Alignment link projection using transformationbased learning (2005)

Iterative translation disambiguation for cross-language information retrieval (2005)

We present a new word-alignment approach that learns errors made by existing word alignment systems and corrects them. By adapting transformationbased learning to the problem of word alignment, we...

Neuralign: Combining word alignments using neural networks (2005)

Finding a proper distribution of translation probabilities is one of the most important factors impacting the effectiveness of a crosslanguage information retrieval system. In this paper we present a...

Neuralign: Combining word alignments using neural networks (2005)

This paper presents a novel approach to combining different word alignments. We view word alignment as a pattern classification problem, where alignment combination is treated as a classifier...

A sentence-trimming approach to multidocument summarization (2005)

This paper presents a novel approach to combining different word alignments. We view word alignment as a pattern classification problem, where alignment combination is treated as a classifier...

David Zajic, Bonnie Dorr, Jimmy Lin, Christof Monz

We implemented an initial application of a sentence-trimming approach (Trimmer) to the problem of multi-document summarization in the MSE2005 and DUC2005 tasks. Sentence trimming was incorporated...

A sentence-trimming approach to multidocument summarization (2005)

David Zajic, Bonnie Dorr, Jimmy Lin, Christof Monz

We implemented an initial application of a sentence-trimming approach (Trimmer) to the problem of multi-document summarization in the MSE2005 and DUC2005 tasks. Sentence trimming was incorporated...

Alignment link projection using transformationbased learning (2005)

The hiero machine translation system: Extensions, evaluation, and analysis (2005)

We present a new word-alignment approach that learns errors made by existing word alignment systems and corrects them. By adapting transformationbased learning to the problem of word alignment, we...

David Chiang, Adam Lopez, Nitin Madnani, Christof Monz, Philip Resnik, Michael Subotin

Hierarchical organization is a well known property of language, and yet the notion of hierarchical structure has been largely absent from the best performing machine translation systems in recent...

A Methodology for Extrinsic Evaluation of Text Summarization: Does ROUGE Correlate? (2005)

Bonnie Dorr, Christof Monz, Stacy President, Richard Schwartz, David Zajic

This paper demonstrates the usefulness of summaries in an extrinsic task of relevance judgment based on a new method for measuring agreement, Relevance-Prediction, which compares subjects '...

Shared Task: Statistical Machine Translation between European Languages (2005)

Philipp Koehn, Christof Monz

The ACL-2005 Workshop on Parallel Texts hosted a shared task on building statistical machine translation systems for four European language pairs: French--English, German--English, Spanish--English,...

The hiero machine translation system: Extensions, evaluation, and analysis (2005)

David Chiang, Adam Lopez, Nitin Madnani, Christof Monz, Philip Resnik, Michael Subotin

Hierarchical organization is a well known property of language, and yet the notion of hierarchical structure has been largely absent from the best performing machine translation systems in recent...

Rijke. Monolingual document retrieval for European languages (2004)

Vera Hollink, Jaap Kamps, Christof Monz, Maarten De Rijke

Abstract. Recent years have witnessed considerable advances in information retrieval for European languages other than English. We give an overview of commonly used techniques and we analyze them...

Language-dependent and language-independent approaches to cross-lingual text retrieval (2004)

Jaap Kamps, Christof Monz, Maarten De Rijke, Börkur Sigurbjörnsson

Abstract. We investigates the effectiveness of language-dependent approaches to document retrieval, such as stemming and decompounding, and constrast them with language-independent approaches, such...

Extrinsic Evaluation of Automatic Metrics for Summarization (2004)

Bonnie Dorr, Christof Monz, Douglas Oard, Stacy President, David Zajic, Richard Schwartz

This paper describes extrinsic-task evaluation of summarization. We show that it is possible to save time using summaries for relevance assessment without adversely impacting the degree of accuracy...

Rijke. Combining evidence for cross-language information retrieval (2003)

Jaap Kamps, Christof Monz, Maarten De Rijke

Abstract. This paper describes the official runs of our team for CLEF 2002. We took part in the monolingual tasks for each of the seven non-English languages for which CLEF provides document...

Document retrieval in the context of question answering (2003)

The University of Amsterdam at CLEF 2003 (2003)

Abstract. Current question answering systems rely on document retrieval as a means of providing documents which are likely to contain an answer to a user’s question. A question answering system...

Jaap Kamps, Christof Monz, Maarten De Rijke, Börkur Sigurbjörnsson

This paper describes our official runs for CLEF 2003. We took part in the monolingual task (for Dutch, Finnish, French, German, Italian, Russian, Spanish, and Swedish), and in the bilingual task...

The University of Amsterdam at the TREC 2003 Question Answering Track (2003)

Valentin Jijkoun, Gilad Mishne, Christof Monz, Maarten De Rijke, Stefan Schlobach, Oren Tsur

We describe our participation in the TREC 2003 Question Answering track. We explain the ideas underlying our approaches to the task, report on our results, provide an error analysis, and give a...

From Document Retrieval to Question Answering (2003)

Academisch Proefschrift, Christof Monz, Christof Monz

this document. In the course of processing the query, a document's accumulator increases if several query terms occur in this document. In minimal span matching it is also necessary that the...

Approaches to Robust and Web Retrieval (2003)

Jaap Kamps, Christof Monz, Maarten De Rijke, Börkur Sigurbjörnsson

We describe our participation in the TREC 2003 Robust and Web tracks. For the Robust track, we experimented with the impact of stemming and feedback on the worst scoring topics. Our main finding is...

Combining morphological and ngram evidence for monolingual document retrieval (2002)

Jaap Kamps, Christof Monz, Maarten De Rijke

We report on experiments in which we merged the results of linguistically informed and linguistically ignorant approaches to retrieval for European languages. We found that even high-quality base...

Rijke. Shallow morphological analysis in monolingual information retrieval for Dutch, German and Italian (2002)

Rijke. Light-weight entailment checking for computational semantics (2001)

Abstract. This paper describes the experiments of our team for CLEF 2001, which includes both official and post-submission runs. We took part in the monolingual task, for Dutch, German, and Italian....

Christof Monz, Maarten Rijke

Inference tasks in computational semantics have mostly been tackled by means of first-order theorem proving tools. While this is an important and welcome development, it has some inherent...

Logical structure detection for heterogeneous document classes (2001)

Leon Todoran, Marco Aiello, Christof Monz, Marcel Worring

a,b

Logical Structure Detection for Heterogeneous Document Classes (2001)

Leon Todoran, Marco Aiello, Christof Monz, Marcel Worring

We present a fully implemented system based on generic document knowledge for detecting the logical structure of documents for which only general layout information is assumed. In particular, we...

A Tableau Calculus for Pronoun Resolution (2000)

Monz, Christof, De Rijke, Maarten

We present a tableau calculus for reasoning in fragments of natural language. We focus on the problem of pronoun resolution and the way in which it complicates automated theorem proving for natural...

A Resolution Calculus for Dynamic Semantics (2000)

Monz, Christof, De Rijke, Maarten

This paper applies resolution theorem proving to natural language semantics. The aim is to circumvent the computational complexity triggered by natural language ambiguities like pronoun binding, by...

Computing Presuppositions by Contextual Reasoning (2000)

Monz, Christof

This paper describes how automated deduction methods for natural language processing can be applied more efficiently by encoding context in a more elaborate way. Our work is based on formal...

Combining Linguistic and Spatial Information for Document Analysis (2000)

Aiello, Marco, Monz, Christof, Todoran, Leon

We present a framework to analyze color documents of complex layout. In addition, no assumption is made on the layout. Our framework combines in a content-driven bottom-up approach two different...

A Tableaux Calculus for Ambiguous Quantification (2000)

Monz, Christof, De Rijke, Maarten

Coping with ambiguity has recently received a lot of attention in natural language processing. Most work focuses on the semantic representation of ambiguous expressions. In this paper we complement...

Contextual Inference in Computational Semantics (2000)

Monz, Christof

In this paper, an application of automated theorem proving techniques to computational semantics is considered. In order to compute the presuppositions of a natural language discourse, several...

Modeling Ambiguity in a Multi-Agent System (2000)

Monz, Christof

This paper investigates the formal pragmatics of ambiguous expressions by modeling ambiguity in a multi-agent system. Such a framework allows us to give a more refined notion of the kind of...

Computational Semantics and Information Retrieval (2000)

Rijke. Monolingual retrieval for European languages (2000)

In this talk I want to review the area of Information Retrieval (IR) from a computational semanticist's point of view. There have been several attempts to integrate Natural Language Processing...

Vera Hollink, Jaap Kamps, Christof Monz, Maarten De Rijke

Abstract. Recent years have witnessed considerable advances in information retrieval for European languages other than English. We give an overview of commonly used techniques and we analyze them...

Computational Semantics and Information Retrieval (2000)

Combining linguistic and spatial information for document analysis (2000)

In this talk I want to review the area of Information Retrieval (IR) from a computational semanticist’s point of view. There have been several attempts to integrate Natural Language Processing...

Marco Aiello, Christof Monz, Leon Todoran

We present a framework to analyze color documents of complex layout. In addition, no assumption is made on the layout. Our framework combines in a content-driven bottom-up approach two different...

Computational Semantics and Information Retrieval (2000)

Combining linguistic and spatial information for document analysis (2000)

In this talk I want to review the area of Information Retrieval (IR) from a computational semanticist's point of view. There have been several attempts to integrate Natural Language Processing...

Marco Aiello, Christof Monz, Leon Todoran

We present a framework to analyze color documents of complex layout. In addition, no assumption is made on the layout. Our framework combines in a content-driven bottom-up approach two different...

Rijke, The guarded fragment: Ins and outs (1999)

Carlos Areces, Christof Monz, Hans De Nivelle, Maarten De Rijke

In this short note we discuss several perspectives on the notion of Guarded Fragments (GFs) of first-order logic first introduced by Andréka, van Benthem and Németi. We focus on computational...

Rijke. A tableau calculus for pronoun resolution (1999)

A Tableau Calculus for Pronoun Resolution (1999)

We present a tableau calculus for reasoning in fragments of natural language. We focus on the problem of pronoun resolution and the way in which it complicates automated theorem proving for natural...

Rijke, The guarded fragment: Ins and outs (1999)

To appear in: Proceedings of Tableaux'99 N. Murray, editor, LNAI, Springer, Berlin, 1999. We present a tableau calculus for reasoning in fragments of natural language. We focus on the problem of...

Carlos Areces, Christof Monz, Hans De Nivelle, Maarten De Rijke

In this short note we discuss several perspectives on the notion of Guarded Fragments (GFs) of first-order logic first introduced by Andréka, van Benthem and Németi. We focus on computational...

Extrinsic Evaluation of Automatic Metrics for Summarization (1998)

Dorr, Bonnie, Monz, Christof, Oard, Douglas, President, Stacy, Zajic, David, Schwartz, Richard

This paper describes extrinsic-task evaluation of summarization. We show that it is possible to save time using summaries for relevance assessment without adversely impacting the degree of accuracy...

Rijke. A resolution calculus for dynamic semantics (1998)

Rijke. A tableaux calculus for ambiguous quantification (1998)

Abstract. This paper applies resolution theorem proving to natural language semantics. The aim is to circumvent the computational complexity triggered by natural language ambiguities like pronoun...

Maarten De Rijke, Christof Monz, Christof Monz

and Maarten de Rijke 2 1

Rijke. A tableaux calculus for ambiguous quantification (1998)

Rijke. A tableaux calculus for ambiguous quantification (1998)

LNAI 1489, Springer, pages 232--246, 1998. Coping with ambiguity has recently received a lot of attention in natural language processing. Most work focuses on the semantic representation of ambiguous...