addition of unit 1 3 4 5

unit 5/00_Index.md

@@ -0,0 +1,19 @@
+# Unit 5: Advanced Data Mining Techniques
+
+Welcome to your simplified notes for Unit 5.
+
+## Table of Contents
+
+1. [[01_Ubiquitous_Data_Mining|Ubiquitous & Invisible Data Mining]]
+   - Mining everywhere (IoT, Mobile)
+   - Invisible Mining (Background processes)
+2. [[02_Web_Mining|Web Mining]]
+   - Content, Structure, and Usage Mining
+3. [[03_Spatial_and_Temporal_Mining|Spatial & Temporal Mining]]
+   - Mining location data (Maps/GIS)
+   - Mining time-based data (Trends)
+4. [[04_Other_Mining_Types|Other Mining Types]]
+   - Text, Visual, Audio, and Process Mining
+5. [[05_Applications_and_Impact|Applications & Social Impact]]
+   - Real-world uses (Healthcare, Retail)
+   - Privacy and Ethical concerns