1. IR&NLP Coursework P1 Text Analysis Within The Fields Of Information Retrieval and Natural Language Processing By Ben Addley 2003695 Academic Year 2004 - 2005

2. Key Areas to Cover Overview Building Blocks of Textual Understanding Text Analysis within IR Text Analysis within NLP What the Future Holds Conclusions

3. Question? Does Text Analysis constitute actual understanding of the textual input or simply an electronic approximation of understanding?

4. What is Text Analysis Automatic Text Analysis is the study of how a computer can be used to identify the context and importance of text without the intervention of a human.

5. Building Blocks of Textual Understanding Rule Based – Modular – Language components – Grammatical rules Disadvantages – Language dependant – Large human input in development of language rules Statistical Based – Compares textual composition and learns through statistical analysis of syntax Advantages – Language independent Disadvantage – Requires huge amounts of textual material

6. Text Analysis Within IR Text Based Navigation Automatic Textual Summarisation – Extraction – Abstraction Clustering

7. Text Analysis Within NLP Chatterbots Anti Plagiarism Tools Speech > Text Systems Text > Speech Systems Machine Translation

8. What the Future Holds Convergence of IR and NLP technologies Enterprise solutions with Text Analysis at their core An increase in business demand leading to surge in technological advancements

9. Conclusions As users and producers of information, we have created a spiral of ever increasing quantities of stored data Text Analysis is a way to address this concern Text Analysis is still an area under development and many advancements are needed

10. Back To That Question Does Text Analysis constitute actual understanding of the textual input or simply an electronic approximation of understanding?

11. Thank You For Your Attention Any Further Questions?