RecULike : Open Source Academic Recommender System

Liang XiangResearcher@Hulu

Main Contents

• What is RecULike?• Why build RecULike?• How to build RecULike?– Architecture– Data Importer– Search Engine– Recommender System– Site/API

What is RecULike?

• RecULike is a academic recommender system which can:– Recommend research papers to users by analyzing

their historical behaviors– Provide related papers of given paper– Connect users and experts

Why build RecULike

• We want to write a book• We want to use a real recommender system as

our example in the book

How to Build RecULike

• Architecture• Data Importer• Search Engine• Recommender System• Site/API

Architecture

Architecture

Meta Data Database

User Behavior Database

DBLP

CiteSeer

CiteULike

Importer Sphinx Search Page

Recommendation Page

Cold Start

Log System

Metadata Page

User Recommender System

Recommender System

• Cold-Start• Item-based Method

Item-based Method

User Behavior DB

User Features

Feature-Item Similarity Table

Raw Recommendations

Explanation

Ranking & Filtering

Final Recommendations

Log System

Offline System

Site

vote

search

comment