Jovan Pehcevski

Combining Image and Structured Text Retrieval (2008)

Abstract. Use of XML offers a structured approach for representing information while maintaining separation of form and content. XML information retrieval is different from standard text retrieval in...

RMIT University at INEX 2005: Ad hoc Track (2008)

Abstract. Two common approaches in retrieving images from a collection are

Entity Ranking in Wikipedia (2008)

Abstract. Different scenarios of XML retrieval are analysed in the INEX 2005 ad hoc track, which reflect different query interpretations and user behaviours that may be observed during XML retrieval....

Vercoustre, Anne-Marie, Thom, James, Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

Entity Ranking in Wikipedia (2008)

Vercoustre, Anne-Marie, Thom, James, Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

Using Wikipedia Categories and Links in Entity Ranking (2008)

Vercoustre, Anne-Marie, Pehcevski, Jovan, Thom, James

This paper describes the participation of the INRIA group in the INEX 2007 XML entity ranking and ad hoc tracks. We developed a system for ranking Wikipedia entities in answer to a query. Our...

Using Wikipedia Categories and Links in Entity Ranking (2008)

Vercoustre, Anne-Marie, Pehcevski, Jovan, Thom, James

This paper describes the participation of the INRIA group in the INEX 2007 XML entity ranking and ad hoc tracks. We developed a system for ranking Wikipedia entities in answer to a query. Our...

Exploiting Locality of Wikipedia Links in Entity Ranking (2008)

Pehcevski, Jovan, Vercoustre, Anne-Marie, Thom, James

Information retrieval from web and XML document collections is ever more focused on returning entities instead of web pages or XML elements. There are many research fields involving named entities;...

Exploiting Locality of Wikipedia Links in Entity Ranking (2008)

Pehcevski, Jovan, Vercoustre, Anne-Marie, Thom, James

Information retrieval from web and XML document collections is ever more focused on returning entities instead of web pages or XML elements. There are many research fields involving named entities;...

Entity Ranking in Wikipedia (2007)

Vercoustre, Anne-Marie, Thom, James A., Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

Use of Wikipedia Categories in Entity Ranking (2007)

Thom, James A., Pehcevski, Jovan, Vercoustre, Anne-Marie

Wikipedia is a useful source of knowledge that has many applications in language processing and knowledge representation. The Wikipedia category graph can be compared with the class hierarchy in an...

Entity ranking in Wikipedia (2007)

Vercoustre, Anne-Marie, Thom, James, Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

Entity ranking in Wikipedia (2007)

Vercoustre, Anne-Marie, Thom, James, Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

Evaluating Focused Retrieval Tasks (2007)

Pehcevski, Jovan, Thom, James A.

Focused retrieval, identified by question answering, passage retrieval, and XML element retrieval, is becoming increasingly important within the broad task of information retrieval. In this paper, we...

Evaluating Focused Retrieval Tasks (2007)

Pehcevski, Jovan, Thom, James A.

Focused retrieval, identified by question answering, passage retrieval, and XML element retrieval, is becoming increasingly important within the broad task of information retrieval. In this paper, we...

Entity Ranking in Wikipedia (2007)

Vercoustre, Anne-Marie, Thom, James, Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

Entity Ranking in Wikipedia (2007)

Vercoustre, Anne-Marie, Thom, James, Pehcevski, Jovan

The traditional entity extraction problem lies in the ability of extracting named entities from plain text using natural language processing techniques and intensive training from large document...

INEX 2007 Evaluation Measures (2007)

Pehcevski, Jovan, Kamps, Jaap, Kazai, Gabriella, Lalmas, Mounia, Ogilvie, Paul, Piwowarski, Benjamin, ...

This paper describes the official measures of retrieval effectiveness that are planned to be employed for the ad hoc track of INEX 2007.

Evaluating Relevant in Context: Document Retrieval with a Twist (2007)

Kamps, Jaap, Lalmas, Mounia, Pehcevski, Jovan

The Relevant in Context retrieval task is document or article retrieval with a twist, where not only the relevant articles should be retrieved but also the relevant information within each article...

Evaluation Metrics (2007)

INEX 2006 Evaluation Measures (2007)

An evaluation metric is used to evaluate the effectiveness of information retrieval systems and to justify theoretical and/or pragmatical developments of these systems. It consists of a set of...

Lalmas, Mounia, Kazai, Gabriella, Kamps, Jaap, Pehcevski, Jovan, Piwowarski, Benjamin, Robertson, Stephen

This paper describes the official measures of retrieval effectiveness employed at the ad hoc track of INEX 2006.

INEX 2007 Evaluation Measures (2007)

Pehcevski, Jovan, Kamps, Jaap, Kazai, Gabriella, Lalmas, Mounia, Ogilvie, Paul, Piwowarski, Benjamin, ...

This paper describes the official measures of retrieval effectiveness that are planned to be employed for the ad hoc track of INEX 2007.

Evaluating Relevant in Context: Document Retrieval with a Twist (2007)

Kamps, Jaap, Lalmas, Mounia, Pehcevski, Jovan

The Relevant in Context retrieval task is document or article retrieval with a twist, where not only the relevant articles should be retrieved but also the relevant information within each article...

Evaluation Metrics (2007)

INEX 2006 Evaluation Measures (2007)

An evaluation metric is used to evaluate the effectiveness of information retrieval systems and to justify theoretical and/or pragmatical developments of these systems. It consists of a set of...

Lalmas, Mounia, Kazai, Gabriella, Kamps, Jaap, Pehcevski, Jovan, Piwowarski, Benjamin, Robertson, Stephen

This paper describes the official measures of retrieval effectiveness employed at the ad hoc track of INEX 2006.

Relevance (2007)

Pehcevski, Jovan, Larsen, Birger

Relevance is the extent to which some information is pertinent, connected, or applicable to the matter at hand. It represents a key concept in the fields of documentation, information science, and...

Specificity (2007)

Pehcevski, Jovan, Larsen, Birger

Specificity is a relevance dimension that describes the extent to which a document part focuses on the topic of request. In the context of semi-structured text (XML) retrieval, a document part...

Relevance (2007)

Relevance is the extent to which some information is pertinent, connected, or applicable to the matter at hand. It represents a key concept in the fields of documentation, information science, and...

Specificity (2007)

Use of Wikipedia Categories in Entity Ranking (2007)

Specificity is a relevance dimension that describes the extent to which a document part focuses on the topic of request. In the context of semi-structured text (XML) retrieval, a document part...

Thom, James, Pehcevski, Jovan, Vercoustre, Anne-Marie

Wikipedia is a useful source of knowledge that has many applications in language processing and knowledge representation. The Wikipedia category graph can be compared with the class hierarchy in an...

Use of Wikipedia Categories in Entity Ranking (2007)

Thom, James, Pehcevski, Jovan, Vercoustre, Anne-Marie

Wikipedia is a useful source of knowledge that has many applications in language processing and knowledge representation. The Wikipedia category graph can be compared with the class hierarchy in an...

Evaluation of Effective XML Information Retrieval (2007)

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

INEX 2006 evaluation measures (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Mounia Lalmas, Gabriella Kazai, Jaap Kamps, Jovan Pehcevski, Stephen Robertson

Abstract. This paper describes the official measures of retrieval effectiveness employed at the ad hoc track of INEX 2006. 1

INEX 2007 evaluation measures (2007)

Jaap Kamps, Jovan Pehcevski, Gabriella Kazai, Mounia Lalmas, Stephen Robertson

Abstract. This paper describes the official measures of retrieval effectiveness that are employed for the Ad Hoc Track at INEX 2007. Whereas in earlier years all, but only, XML elements could be...

Evaluation of Effective XML Information Retrieval (2007)

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Evaluation of Effective XML Information Retrieval (2007)

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

XML is being adopted as a common storage format in scientific data repositories, digital libraries, and on the World Wide Web. Accordingly, there is a need for content-oriented XML retrieval systems...

Acknowledgments (2006)

Enhancing Content-And-Structure Information Retrieval using a Native XML Database (2005)

This thesis is dedicated to my father, Dimitar Pehcevski, who never stopped believing iii iv

Pehcevski, Jovan, Thom, James A., Vercoustre, Anne-Marie

Three approaches to content-and-structure XML retrieval are analysed in this paper: first by using Zettair, a full-text information retrieval system; second by using eXist, a native XML database, and...

Users and Assessors in the Context of INEX: Are Relevance Dimensions Relevant? (2005)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

The main aspects of XML retrieval are identified by analysing and comparing the following two behaviours: the behaviour of the assessor when judging the relevance of returned document components; and...

Users and Assessors in the Context of INEX: Are Relevance Dimensions Relevant? (2005)

Pehcevski, Jovan, Thom, James A., Vercoustre, Anne-Marie

The main aspects of XML retrieval are identified by analysing and comparing the following two behaviours: the behaviour of the assessor when judging the relevance of returned document components; and...

Hybrid XML Retrieval: Combining Information Retrieval and a Native XML Database (2005)

Pehcevski, Jovan, Thom, James A., Vercoustre, Anne-Marie

This paper investigates the impact of three approaches to XML retrieval: using Zettair, a full-text information retrieval system; using eXist, a native XML database; and using a hybrid system that...

Hybrid XML Retrieval: Combining Information Retrieval and a Native XML Database (2005)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

This paper investigates the impact of three approaches to XML retrieval: using Zettair, a full-text information retrieval system; using eXist, a native XML database; and using a hybrid system that...

Hybrid XML Retrieval Revisited (2005)

Pehcevski, Jovan, Thom, James, Tahaghoghi, S., Vercoustre, Anne-Marie

The widespread adoption of XML necessitates structureaware systems that can effectively retrieve information from XML document collections. This paper reports on the participation of the RMIT group...

Hybrid XML Retrieval: Combining Information Retrieval and a Native XML Database (2005)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

This paper investigates the impact of three approaches to XML retrieval: using Zettair, a full-text information retrieval system; using eXist, a native XML database; and using a hybrid system that...

Users and Assessors in the Context of INEX: Are Relevance Dimensions Relevant? (2005)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

The main aspects of XML retrieval are identified by analysing and comparing the following two behaviours: the behaviour of the assessor when judging the relevance of returned document components; and...

Hybrid XML Retrieval Revisited (2005)

Pehcevski, Jovan, Thom, James, Tahaghoghi, S., Vercoustre, Anne-Marie

The widespread adoption of XML necessitates structureaware systems that can effectively retrieve information from XML document collections. This paper reports on the participation of the RMIT group...

Users and Assessors in the Context of INEX: Are Relevance Dimensions Relevant? (2005)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

The main aspects of XML retrieval are identified by analysing and comparing the following two behaviours: the behaviour of the assessor when judging the relevance of returned document components; and...

Hybrid XML Retrieval Revisited (2005)

Pehcevski, Jovan, Thom, James, Tahaghoghi, S., Vercoustre, Anne-Marie

The widespread adoption of XML necessitates structureaware systems that can effectively retrieve information from XML document collections. This paper reports on the participation of the RMIT group...

Hybrid XML Retrieval: Combining Information Retrieval and a Native XML Database (2005)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

This paper investigates the impact of three approaches to XML retrieval: using Zettair, a full-text information retrieval system; using eXist, a native XML database; and using a hybrid system that...

Users and assessors in the context of INEX: Are relevance dimensions relevant (2005)

HiXEval: Highlighting XML retrieval evaluation (2005)

The main aspects of XML retrieval are identified by analysing and comparing the following two behaviours: the behaviour of the assessor when judging the relevance of returned document components; and...

Hybrid XML retrieval: Combining information retrieval and a native XML database (2005)

Abstract. This paper describes our proposal for an evaluation metric for XML retrieval that is solely based on the highlighted text. We support our decision of ignoring the exhaustivity dimension by...

Enhancing Content-And-Structure Information Retrieval using a Native XML Database (2004)

Abstract. This paper investigates the impact of three approaches to XML retrieval: using Zettair, a full-text information retrieval system; using eXist, a native XML database; and using a hybrid...

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

Three approaches to content-and-structure XML retrieval are analysed in this paper: first by using Zettair, a full-text information retrieval system; second by using eXist, a native XML database, and...

Enhancing Content-And-Structure Information Retrieval using a Native XML Database (2004)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

Three approaches to content-and-structure XML retrieval are analysed in this paper: first by using Zettair, a full-text information retrieval system; second by using eXist, a native XML database, and...

Enhancing Content-And-Structure Information Retrieval using a Native XML Database (2004)

Pehcevski, Jovan, Thom, James, Vercoustre, Anne-Marie

Three approaches to content-and-structure XML retrieval are analysed in this paper: first by using Zettair, a full-text information retrieval system; second by using eXist, a native XML database, and...

Hybrid XML retrieval revisited (2004)

Enhancing Content-And-Structure Information Retrieval using a Native XML Database (2004)

In this paper, we report on the participation of the RMIT University group in the INEX 2004 ad-hoc track. Our preliminary analysis of CO and VCAS relevance assessments identifies two complementary...

Hybrid XML retrieval revisited (2004)

Three approaches to content-and-structure XML retrieval are analysed in this paper: first by using Zettair, a fulltext information retrieval system; second by using eXist, a native XML database, and...