PPT-NLP Introduction to NLP Combinatory

Categorial Grammar CCG Combinatory Categorial Grammar CCG Complex types Eg XY and XY These take an argument of type Y and return an object of type X XY means that Y should appear on the right. By Cindy Carless. 14 Nov 14. What a mouthful…. So much in fact that I thought I had bitten off more than I could chew…. Yet for “Tasting” . LetsTest. it seems very appropriate. Some appetisers to focus on. Morphology and the Lexicon. Mental Lexicon. What is the meaning of cat? Its pronunciation? Part of speech?. What is the meaning of . wug. ?. What is the meaning of . cluvious. ?. Compare . traftful. and . Semantic Role Labeling. Syntactic Variation. Last week, Min broke the window with a hammer.. The window was broken with a hammer by Min last week. With a hammer, Min broke the window last week. Last week, the window was broken by Min with a hammer. Subproblems. . Meliha. . Yetisgen-Yildiz. From last week’s discussion. Presentation. Schedule. : . http. ://faculty.washington.edu/melihay/. MEBI591C.htm. 50 . minutes . presentation+discussion+question. Regina Barzilay. What is NLP?. Goal: intelligent processing of human language. Not just effective string matching. Applications of NLP technology:. Less ambitious (but practical goals): spelling corrections, name entity extraction. Introduction. Polysemy. Words have multiple senses. Example. Let’s have a drink in the bar. I have to study for the bar. Bring me a chocolate bar. Homonymy. May I come in?. Let’s meet again in May. S . -> NP VP. NP -> DT N | NP PP. PP -> PRP NP. VP -> V NP | VP PP. DT -> 'a' | 'the'. N -> 'child' | 'cake' | 'fork'. PRP -> 'with' | 'to'. -. Kasami. -Younger (CKY) Parsing. Notes on Left Recursion. Problematic for many parsing methods. Infinite loops when expanding. But appropriate linguistically. NP -> DT N. NP -> PN. DT -> NP ‘s. Biomedical Informatics. UC San Diego. October 13, 2016. Chunnan Hsu. Ramana. . Seerapu. Scott Duvall. Olga Patterson. Hua Xu. Michael Matheny. Glenn . Gobbel. Tsung. -Ting . Kuo. Current members. The NLP working group is tasked to accurately extract phenotypes for three clinical conditions: Kawasaki Disease (KD), Weight Management / Obesity (WM/O), and Congestive Heart Failure (CHF), from tens of millions of clinical notes shared by participating institutes in . Jiho . Han. Ronny (. Dowon. ) . Ko. Objective:. automatically generate the summary of review extracting the strength/weakness of the product. Use NLP techniques to predict ratings. Similar to sentimental analysis. The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand by Hua Xu. Recent Activities. ETL tool development. Note Type Normalization. COVID-19 lab test normalization . A Potential ETL Workflow for NLP. Note. Note_NLP. Measure-. ment. Condition. Procedure. Drug. Smoothing. If the vocabulary size is |V|=1M. Too many parameters to estimate even a unigram model. MLE assigns values of 0 to unseen (yet not impossible) data. Let alone bigram or trigram models. Smoothing (regularization).