Create README.md

README.md

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+---
+license: apache-2.0
+language:
+- en
+tags:
+- VLM
+---
+
+# How to use this data?
+After download this repo, use `cat` to get zip file:
+```bash
+cat baidu_wiki_part_* > merge.zip
+```
+
+Then simply, unzip this zip file
+```bash
+unzip merge.zip
+```
+
+# What is in this data?
+
+## Image(Screenshot)
+
+Raw images are in `images` folder.
+```bash
+/wikihow$ ls data/images | head -5
+1111-4.jpg
+111-15.jpg
+1-draw-7.png
+20200613_130717.jpg
+22-19.jpg
+```
+
+## Index page
+Index page is a collection of web urls. This is how we start to crawl these websites.
+
+```bash
+wikihow$ cat data/index/index.txt | head -5
+https://www.wikihow.com/Category:Amusement-and-Theme-Parks
+https://www.wikihow.com/Category:Artwork
+https://www.wikihow.com/Category:Books
+https://www.wikihow.com/Category:Celebrities
+https://www.wikihow.com/Category:Concerts
+```
+
+For examples, above shows we start to crawl tutorials from these 5 links.
+
+## Summary file
+
+Summary file is title and actual webpage 
+```bash
+
+cat data/summary/Computer-Networking.json | head -10
+[
+    {
+        "title": "How to\nOvercome Your Fear of Roller Coasters",
+        "url": "https://www.wikihow.com/Overcome-Your-Fear-of-Roller-Coasters"
+    },
+    {
+        "title": "Six Flags Flash Pass: Everything You Need to Know",
+        "url": "https://www.wikihow.com/Use-a-Flash-Pass-at-Six-Flags"
+    },
+    {
+```
+In this step, we get titles and links for each tutorials.
+
+
+## Trajectory file
+
+Trajectory file is trajectory we follow certain heuristic to process the HTML
+
+```bash
+cat data/steps/Add-a-Bookmark-in-Microsoft-Word/steps_processed.json | head -10
+{
+    "introduction": "CategoriesComputers and ElectronicsSoftwareOfficeMicrosoft OfficeMicrosoft WordHow to Add a Bookmark in Microsoft Word",
+    "sections": [
+        {
+            "headline": "Adding a Bookmark",
+            "steps": [
+                {
+                    "text": "Select the place in the text you wish to bookmark. You can either highlight a block of text or click to place your cursor at the start of a paragraph.",
+                    "image_src": "v4-460px-Add-a-Bookmark-in-Microsoft-Word-Step-1-Version-4.jpg"
+                },
+```
+
+For examples, above shows a part of trajectory. They are organized as stepwise text-image. The image are downloaded as dicussed in previous documentation.
+
+## Other notes
+Baidu Experience is slightly different compared to wikihow. But they do follow the similar structure.