Abstract
Manual regulatory compliance checking of construction projects is usually timeconsuming and error-prone. There have been efforts both in academia and industry to automate this process. However, none of them achieved full automation. Specifically, the extraction of rules from regulatory text (e.g. building code) and its representation in a computer-processable format is still conducted manually or semi-automatically. Natural language processing (NLP) aims at enabling computers to process natural language text in a human-like manner. It provides basic concepts and methods for text processing and analysis, such as part of speech (POS) tagging, tokenization, sentence splitting, named entity recognition, and semantic role labeling, etc. This paper is intended to explore the effectiveness of utilizing syntactic (i.e. grammatical) and semantic (i.e. meaning descriptive) features of the text (using NLP tools and techniques) to automatically extract regulatory information from building codes. An automated information extraction (IE) approach – involving the use of IE rules – is proposed. Chapter 12 of the 2006 International Building Code was used to develop the IE rules, while Chapter 12 of the 2009 International Fire Code was used to test the approach. An overall F-measure of 0.94 shows the potential of the proposed approach. Based on the experimental results and their analysis, we conclude the paper by pinpointing possible ways for improving the proposed approach.
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