A full-stack web search engine built from scratch, featuring custom crawling, scalable indexing, PageRank + TF-IDF ranking, and a modern front-end interface.
DocSearch is an end-to-end search engine designed to handle large web corpora efficiently. It combines:
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Custom crawler with intelligent filtering and fault tolerance
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Scalable indexing with stemming and frequency tracking
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Ranking system that blends TF-IDF, PageRank, domain scores, and title relevance
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Lightweight front-end with infinite scrolling for a smooth user experience
- Backend: Java, distributed KVS, AWS EC2
- Algorithms: TF-IDF, PageRank, stemming, ranking heuristics
- Frontend: HTML, CSS, Vanilla JavaScript
- Deployment: AWS EC2, concurrent processing
Main search page with input bar and responsive layout.
Results page with infinite scroll and lazy loading for smooth browsing.