Update pages/Introduction.py

pages/Introduction.py

@@ -27,3 +27,20 @@ st.write("Example: _'I love NLP. It’s fascinating!'_ → [‘I love NLP.’,
 st.write("**b. Stopword Removal**")
 st.write("Removes common words like “the,” “and,” “is” that do not contribute much to analysis.")
 
+st.write("**c. Stemming and Lemmatization**")
+st.write("Stemming: Reduces words to their base or root form by chopping off suffixes (may not produce valid words).")
+st.write("Example: _“running” _ → “run”")
+
+st.write("Lemmatization: Converts words to their base form using vocabulary and grammar")
+st.write("Example: _“good” _ → “better”")
+
+st.write("**d. Part-of-Speech (POS) Tagging**")
+st.write("Labels words with their grammatical roles (noun, verb, adjective, etc.)")
+st.write("Example: _The cat sleeps”_ → [“The/DET”, “cat/NOUN”, “sleeps/VERB”]")
+
+st.write("**e. Named Entity Recognition (NER)**")
+st.write("Identifies and classifies entities in text (e.g., names, dates, locations)")
+st.write("Example: _ “Barack Obama was born in Hawaii. _ ” → [Barack Obama: PERSON, Hawaii: LOCATION]")
+
+st.write("**f. Text Normalization**")
+st.write("Converts text to a standard format (lowercasing, removing punctuation, etc.).")