Jose1798801351

知识图谱应用示例

整理一些知识图谱的应用示例。来源于网络，不定时更新。

A regular expression is a string that describes a text pattern occurring in other strings, m'kay.

With which one can go quite far.

* metacharacters
* character escapes \
* anchors \A\Z or ^$

简明 Python 教程: http://woodpecker.org.cn/abyteofpython_cn/chinese/

一开始通读一遍这个很不错，是最简单明确的 Python 教程，最适合快速了解。

	!pip install gdelt #make sure gdelt installed
	import pandas as pd, numpy as np, matplotlib.pyplot as plt, gdelt, os, datetime, warnings #imports
	gd = gdelt.gdelt(version=1) #instantiate object to pull gdelt files

	os.makedirs("data",exist_ok=True) #check if there's a data folder

	cur_date = datetime.datetime(2019,10,7)-datetime.timedelta(days=60) #start pulling from 60 days prior to 10/7

	while cur_date < datetime.datetime(2019,10,7): #pull until 10/7
	if not os.path.exists("data/%s-%s-%s.pkl"%(cur_date.year, cur_date.month, cur_date.day)): #if don't have

	import spacy
	nlp = spacy.load("en_core_web_lg")

	with open("scraped.json", "r") as f:
	news = json.load(f)
	news = [i['body'] for i in news]
	processed_docs = list(nlp.pipe(news))

	verb_list = ["launch", "begin", "initiate", "start"]
	dobj_list = ["attack", "offensive", "operation", "assault"]

	# Author: Linwood Creekmore
	# Email: valinvescap@gmail.com
	# Description: Python script to pull content from a website (works on news stories).

	#Licensed under GNU GPLv3; see https://choosealicense.com/licenses/lgpl-3.0/ for details

	# Notes
	"""
	23 Oct 2017: updated to include readability based on PyCon talk: https://github.com/DistrictDataLabs/PyCon2016/blob/master/notebooks/tutorial/Working%20with%20Text%20Corpora.ipynb
	18 Jul 2018: added keywords and summary

	pip install --upgrade -e git+https://github.com/twintproject/twint.git@origin/master#egg=twint
	pip install confluent-kafka[avro]