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FilmForge🎬: A Multi-Paradigm Movie Recommendation System

This repository explores the implementation of a movie recommendation system using four distinct programming paradigms: Concurrent (Go), Object-Oriented (Java), Logical (Prolog), and Functional (Scheme).

Overview

The core goal of this project is to recommend movies to users based on rating data. Each directory contains a standalone implementation demonstrating how the recommendation logic can be approached using different programming styles and languages.

The project utilizes datasets commonly found in recommendation system examples, including:

  • movies.csv: Information about movies (ID, title, genres).
  • ratings.csv: User ratings for movies (UserID, MovieID, rating).
  • tags.csv and links.csv for additional metadata.

Implementations

1. Go - Concurrent (Go_Concurrent)

  • Paradigm: Concurrent Programming
  • Language: Go 🐹
  • Key Files:
    • projectMovieRec.go: Main Go program file containing the recommendation logic.
    • ratings.csv, movies.csv: Data files used.
    • recommendations_user_*.txt: Example output files.
  • Description: This implementation leverages Go's concurrency features (goroutines, channels) to potentially speed up the recommendation process, perhaps by processing users or movies in parallel.

2. Java - Object-Oriented (Java_OOP)

  • Paradigm: Object-Oriented Programming
  • Language: Java ☕
  • Key Files:
    • RecommendationEngine.java: Core class for recommendation logic.
    • Movie.java, User.java, Recommendation.java: Model classes representing entities.
    • ratings.csv, movies.csv, tags.csv, links.csv: Data files used.
    • run.txt: contains instructions or scripts for running.
    • Test_results.txt, rec44.txt: Example output or test results.
  • Description: A classic OOP approach, encapsulating data and behavior within classes like Movie, User, and a central RecommendationEngine.

3. Prolog - Logical (Prolog_Logical)

  • Paradigm: Logical Programming
  • Language: Prolog 💡
  • Key Files:
    • projectMovie.pl: Prolog source file containing facts and rules for recommendations.
    • run.txt: contains instructions or queries for running.
    • output.txt: Example output.
  • Description: This version uses Prolog's declarative nature. Recommendations are derived by defining facts (e.g., user ratings, movie genres) and rules (e.g., similarity metrics, recommendation criteria) and then querying the system.

4. Scheme - Functional (Scheme_Functional)

  • Paradigm: Functional Programming
  • Language: Scheme λ
  • Key Files:
    • projetMovie: Scheme source file (assuming this is the main script).
    • output.txt: Example output.
  • Description: This implementation emphasizes immutability, recursion, and higher-order functions to process the data and generate recommendations.

Running the Implementations

Please refer to the specific subdirectories (Go_Concurrent, Java_OOP, Prolog_Logical, Scheme_Functional) for detailed instructions or scripts (run.txt) on how to compile and run each version. You will need the respective language compilers/interpreters installed (Go, JDK, Prolog interpreter, Scheme interpreter).