Jacob Perkins - Python 3 Text Processing with NLTK 3 Cookbook : over 80 practical recipes on natural language processing techniques using Pythons NLTK 3.0 ; quick answers to common problems

Jacob Perkins is the cofounder and CTO of Weotta, a local search company. Weotta uses NLP and machine learning to create powerful and easy-to-use natural language search for what to do and where to go.

He is the author of Python Text Processing with NLTK 2.0 Cookbook , Packt Publishing , and has contributed a chapter to the Bad Data Handbook , O'Reilly Media . He writes about NLTK, Python, and other technology topics at http://streamhacker.com.

To demonstrate the capabilities of NLTK and natural language processing, he developed http://text-processing.com, which provides simple demos and NLP APIs for commercial use. He has contributed to various open source projects, including NLTK, and created NLTK-Trainer to simplify the process of training NLTK models. For more information, visit https://github.com/japerk/nltk-trainer.

I would like to thank my friends and family for their part in making this book possible. And thanks to the editors and reviewers at Packt Publishing for their helpful feedback and suggestions. Finally, this book wouldn't be possible without the fantastic NLTK project and team: http://www.nltk.org/.

Patrick Chan is an avid Python programmer and uses Python extensively for data processing.

I would like to thank my beautiful wife, Thanh Tuyen, for her endless patience and understanding in putting up with my various late night hacking sessions.

Mohit Goenka is a software developer in the Yahoo Mail team. Earlier, he graduated from the University of Southern California (USC) with a Master's degree in Computer Science. His thesis focused on Game Theory and Human Behavior concepts as applied in real-world security games. He also received an award for academic excellence from the Office of International Services at the University of Southern California. He has showcased his presence in various realms of computers including artificial intelligence, machine learning, path planning, multiagent systems, neural networks, computer vision, computer networks, and operating systems.

During his tenure as a student, he won multiple competitions cracking codes and presented his work on Detection of Untouched UFOs to a wide range of audience. Not only is he a software developer by profession, but coding is also his hobby. He spends most of his free time learning about new technology and developing his skills.

What adds feather to his cap is his poetic skills. Some of his works are part of the University of Southern California Libraries archive under the cover of The Lewis Carroll collection. In addition to this, he has made significant contributions by volunteering his time to serve the community.

Lihang Li received his BE degree in Mechanical Engineering from Huazhong University of Science and Technology (HUST), China, in 2012, and now is pursuing his MS degree in Computer Vision at National Laboratory of Pattern Recognition (NLPR) from the Institute of Automation, Chinese Academy of Sciences (IACAS).

As a graduate student, he is focusing on Computer Vision and specially on vision-based SLAM algorithms. In his free time, he likes to take part in open source activities and is now the President of the Open Source Club, Chinese Academy of Sciences. Also, building a multicopter is his hobby and he is with a team called OpenDrone from BLUG (Beijing Linux User Group).

His interests include Linux, open source, cloud computing, virtualization, computer vision, operating systems, machine learning, data mining, and a variety of programming languages.

You can find him by visiting his personal website http://hustcalm.me.

Many thanks to my girlfriend Jingjing Shao, who is always with me. Also, I must thank the entire team at Packt Publishing, I would like to thank Kartik who is a very good Project Coordinator. I would also like to thank the other reviewers; though we haven't met, I'm really happy working with you.

Maurice HT Ling completed his PhD in Bioinformatics and BSc (Hons) in Molecular and Cell Biology from The University of Melbourne. He is currently a Research Fellow in Nanyang Technological University, Singapore, and an Honorary Fellow in The University of Melbourne, Australia. He co-edits The Python Papers and co-founded the Python User Group (Singapore), where he has been serving as the executive committee member since 2010. His research interests lie in lifebiological life, and artificial life and artificial intelligenceand in using computer science and statistics as tools to understand life and its numerous aspects. His personal website is http://maurice.vodien.com.

Jing (Dave) Tian is now a graduate research fellow and a PhD student in the Computer and Information Science and Engineering (CISE) department at the University of Florida. His research direction involves system security, embedded system security, trusted computing, and static analysis for security and virtualization. He is interested in Linux kernel hacking and compilers. He also spent a year on AI and machine learning directions and taught classes on Intro to Problem Solving using Python and Operating System in the Computer Science department at the University of Oregon. Before that, he worked as a software developer in the Linux Control Platform (LCP) group in Alcatel-Lucent (former Lucent Technologies) R&D for around 4 years. He has got BS and ME degrees of EE in China. His website is http://davejingtian.org.