Email is a stage: discovering people roles from email archives
Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
Computational & Mathematical Organization Theory
Extracting personal names from email: applying named entity recognition to informal text
HLT '05 Proceedings of the conference on Human Language Technology and Empirical Methods in Natural Language Processing
Towards the Orwellian nightmare: separation of business and personal emails
COLING-ACL '06 Proceedings of the COLING/ACL on Main conference poster sessions
Improving "email speech acts" analysis via n-gram selection
ACTS '09 Proceedings of the HLT-NAACL 2006 Workshop on Analyzing Conversations in Text and Speech
Topic and role discovery in social networks with experiments on enron and academic email
Journal of Artificial Intelligence Research
Natural Language Processing with Python
Natural Language Processing with Python
Short message communications: users, topics, and in-language processing
Proceedings of the 2nd ACM Symposium on Computing for Development
Detecting power relations from written dialog
ACL '12 Proceedings of ACL 2012 Student Research Workshop
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Email is an important way of communication in our daily life and it has become the subject of various NLP and social studies. In this paper, we focus on email formality and explore the factors that could affect the sender's choice of formality. As a case study, we use the Enron email corpus to test how formality is affected by social distance, relative power, and the weight of imposition, as defined in Brown and Levinson's model of politeness (1987). Our experiments show that their model largely holds in the Enron corpus. We believe that the methodology proposed in the paper can be applied to other social media domains and be used to test other linguistic or social theories.