Semantic Classification

Krithara, Anastasia

HP Development Company

关键词: semantic web;    machine learning;    document classification;   

RP-ID  :  HPL-2004-182

学科分类：计算机科学（综合）

美国|英语

来源: HP Labs

【 摘 要 】

A key challenge in the semantic web is the mapping between different concepts. Many techniques for such mapping exist, but most of them induce a one-to-one mapping, which does not seem to correspond to real world problems. This project proposes a new approach, which tries to use the power of machine learning, and in particular classification algorithms, to solve the mapping task. It introduces a new semantic similarity metric which is used with semantic metadata and classification algorithms. The approach is tested in a real world dataset. Pre-processing of the dataset took place, and in particular feature selection, extraction and representation was implemented, for both content- based and semantic features. The documents of the dataset were classified using the content-based features, the semantic ones, and their combination. The results were compared and they gave us an insight of how semantic features can affect classifiers and traditional features. Notes: Anastasia Krithara, University of Bristol, Bristol, UK 70 Pages