information-extraction

Extract Paragraph with specific words between two similar titiles

岁酱吖の 提交于 2020-01-11 11:47:30
问题 my text file contains, paragraphs something like this. summary A result oriented and dedicated professional with three years’ experience in Software Development. A proactive individual with a logical approach to challenges, performs effectively even within a highly pressurised working environment. summary Oct 28th, 2010 – Till date Cognizant Technology Solutions Project #1 Title Wealth Passport – R7.3 Client Northern Trust Operating System Windows XP Technologies J2EE, JSP, Struts, Oracle, PL

Tabulate coefficients from lm

巧了我就是萌 提交于 2019-12-31 04:00:12
问题 I have 10 linear models where I only need some information, namely: r-squared, p-value, coefficients of slope and intercept. I managed to extract these values (via ridiculously repeating the code). Now, I need to tabulate these values (Info in the columns; the rows listing results from linear models 1-10). Can anyone please help me? I have hundreds more linear models to do. I'm sure there must be a way. Data file hosted here Code: d<-read.csv("example.csv",header=T) # Subset data A3G1 <-

some ideas and direction of how to measure ranking, AP, MAP, recall for IR evaluation

戏子无情 提交于 2019-12-30 05:35:19
问题 I have question about how to evaluate the information retrieve result is good or not such as calculate the relevant document rank, recall, precision ,AP, MAP..... currently, the system is able to retrieve the document from the database once the users enter the query. The problem is I do not know how to do the evaluation. I got some public data set such as "Cranfield collection" dataset link it contains 1.document 2.query 3.relevance assesments DOCS QRYS SIZE* Cranfield 1,400 225 1.6 May I

Lucene Entity Extraction

江枫思渺然 提交于 2019-12-22 08:07:02
问题 Given a finite dictionary of entity terms, I'm looking for a way to do Entity Extraction with intelligent tagging using Lucene. Currently I've been able to use Lucene for: - Searching for complex phrases with some fuzzyness - Highlighting results However, I 'm not aware how to: -Get accurate offsets of the matched phrases -Do entity-specific annotaions per match(not just tags for every single hit) I have tried using the explain() method - but this only gives the terms in the query which got

Hidden Markov models package in R

生来就可爱ヽ(ⅴ<●) 提交于 2019-12-20 11:31:08
问题 I need some help implementing a HMM module in R. I'm new to R and don't have a lot of knowledge on it. So i have to implement an IE using HMM, i have 2 folders with files, one with the sentences and the other with the corresponding tags i want to learn form each sentence. folder1 > event1.txt: "2013 2nd International Conference on Information and Knowledge Management (ICIKM 2013) will be held in Chengdu, China during July 20-21, 2013." folder2 > event1.txt: "N: 2nd International Conference on

Training Tagger with Custom Tags in NLTK

无人久伴 提交于 2019-12-18 05:03:16
问题 I have a document with tagged data in the format Hi here's my [KEYWORD phone number], let me know when you wanna hangout: [PHONE 7802708523]. I live in a [PROP_TYPE condo] in [CITY New York] . I want to train a model based on a set of these type of tagged documents, and then use my model to tag new documents. Is this possible in NLTK? I have looked at chunking and NLTK-Trainer scripts, but these have a restricted set of tags and corpora, while my dataset has custom tags. 回答1: As

How to parse a rendered web page containing javascript

强颜欢笑 提交于 2019-12-13 06:33:06
问题 How can one extract data from a rendered web page? In which java script would update the data with time. Is it possible to write user script which can access varibles from webpage java script? Please suggest possible way to achieve this. 回答1: according to Turing's Halting Problem Theorem, you can't. That's what we mean when we say that JavaScript is a Turing complete language. The only way is to execute the JavaScript and let it render the page. 回答2: it depends on your programming language.

Installing the DBPedia Extraction framework

泪湿孤枕 提交于 2019-12-13 01:29:53
问题 I am trying to install the DBPedia extraction framework following the http://wiki.dbpedia.org/Documentation I have downloaded the Maven binary version. $ mvn --version Apache Maven 3.0.4 (r1232337; 2012-01-17 16:44:56+0800) Maven home: /home/william/universe/Downloads/apache-maven-3.0.4 Java version: 1.5.0, vendor: Free Software Foundation, Inc. Java home: /usr/lib64/jvm/java-1.5.0-gcj-4.6-1.5.0.0/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "3.1.0-1.2