Work involving text processing and NLP is quite fashionable in Software Engineering conferences recently. Here's a list of papers compiled by Annie Ying, a researcher in Software Engineering.

Summarization

• Summarizing software artifacts: a case study of bug reports, International Conference on Software Engineering, 2010.
• Towards automatically generating summary comments for Java methods, International Conference on Automated Software Engineering, 2010.
• Automatic Classification of Large Changes into Maintenance Categories. International Conference on Program Comprehension, 2009.
• Automated topic naming to support analysis of software maintenance activities, International Conference on Mining Software Repositories, 2011.

NLP / IR

• Who should fix this bug?, International Conference on Software Engineering, 2006. Best paper award.
• Recovering documentation-to-source-code traceability links using latent semantic indexing. International Conference on Software Engineering, 2003.
• Using Natural Language Program Analysis to Locate and Understand Action-Oriented Concerns. Internation Conference on Aspect-Oriented Software Development, 2007.
• Inferring resource specifications from natural language API documentation. International Conference on Automated Software Engineering, 2009. Best paper award
• An approach to detecting duplicate bug reports using natural language and execution information. International Conference on Software Engineering, 2008.
• Automatically Capturing Source Code Context of NL-Queries for Software Maintenance and Reuse. International Conference on Software Engineering, 2009

Text Pre-preprocessing

• AMAP: Automatically Mining Abbreviation Expansions in Programs to Enhance Software Maintenance Tools. International Conference on Mining Software Repositories, 2008. Best paper award.

Empirical study

• From work to word: How do software developers describe their work? International Conference on Mining Software Repositories, 2009.
• Source code that talks: an exploration of Eclipse task comments and their implication to repository mining. International Workshop on Mining Software Repositories, 2005.

Patch

• Section 3.4 - change model
• Automatically finding patches using genetic programming

To Add

• Lin Tan, [Text Analytics for Software Engineering: Applications of Natural Language Processing http://2011.esec-fse.org/technical-briefings]