Accession Number:

ADA581266

Title:

ISTI at TREC Microblog Track 2012: Real-Time Filtering Through Supervised Learning

Descriptive Note:

Conference paper

Corporate Author:

CONSIGLIO NAZIONALE DELLE RICHERCHE PISA (ITALY)

Personal Author(s):

• Berardi, Giacomo
• Esuli, Andrea
• Marcheggiani, Diego

Report Date:

2012-11-01

Pagination or Media Count:

8.0

Abstract:

Our approach to the microblog filtering task is based on learning a relevance classifier from an initial training set of relevant and non relevant tweets, generated by using a simple retrieval method. The classifier is then retrained using the simulated user feedback collected during the training process, in order to improve its accuracy as the filtering process goes on. In the official runs the system scored low effectiveness values suffering a strong imbalance toward recall.

Descriptors:

• *INFORMATION RETRIEVAL
• CLASSIFICATION
• ITALY
• LEARNING MACHINES
• REAL TIME
• SYMPOSIA

Subject Categories:

• Information Science
• Cybernetics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE