XML.ppt

XML Document Mining Challenge Bridging the gap between Information Retrieval and Machine Learning Ludovic DENOYER – University of Paris 6

Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is XML DM Challenge ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is the XML DM Challenge ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Context ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to learn with structures ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tasks with structured data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Context: ML and IR ,[object Object],[object Object],[object Object]

ML and IR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ML and IR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Idea of the challenge ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Description of the challenge Tasks and Goals

Tasks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Categorization/Clustering ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example Soccer Politics EuroSport Euronews

Example T5 T4 T3 T2 T1 S5 S4 S3 S2 S1

Difficulties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Structure Mapping ,[object Object],< Restaurant > < Nom >La cantine</ Nom > < Adresse > < Ville >Paris</ Ville > < Arrd >19</ Arrd > < Rue >pyrénées</ Rue > < Num >65</ Num > </ Adresse > < Plat > Canard à l’orange </ Plat > < Plat > Lapin au miel </ Plat > </ Restaurant > < Restaurant > < Nom >La cantine</ Nom > < Adresse > 65 rue des pyrénées, Paris, 19 ème , FRANCE </ Adresse > < Spécialités > Canard à l’orange, Lapin au miel </ Spécialités > </ Restaurant >

Difficulties ,[object Object],[object Object],[object Object]

First part of the challenge Ended in december 2005

Description ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Description ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example of Results (structure only) The Structure Only tasks were too easy !

INEX Structure+Content Categorization Structure helps in finding the category of a document ! 0.600 0.575 Discriminant learning 0.668 0.661 Fisher kernel 0.564 0.534 SVM TF-IDF 0.622 0.619 Structure model 0.605 0.59 NB F1 macro F1 micro

Conclusion about the results ,[object Object],[object Object]

Conclusion about the first part of the challenge ,[object Object],[object Object],[object Object],[object Object]

For the next part ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

To convince Machine Learning Researchers ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is the second part ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wikipedia XML Corpus ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wikipedia XML Corpus for XML DM ,[object Object],[object Object],[object Object]

INEX Corpus for XML DM ,[object Object],[object Object],[object Object],[object Object],[object Object]

Structure Mapping Corpus ,[object Object],[object Object],[object Object],[object Object],[object Object]

Currently ,[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]

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