Mitul Tiwari's Space

Social network matter in engaging a new member in a community. Are there patterns in initial connections in the new company that influence future retention in the company? How does a new employee in a company network or connect with other employees of the company? Is there any similarity in the company network of a […]

People You May Know (PYMK) recommends other people to connect with allowing members to grow their network, and it’s one of the most recognizable feature at LinkedIn. PYMK is responsible for building more than 50% of LinkedIn’s professional graph. The two main challenges in building People You May Know are machine learning and scale. In […]

Figure 1: Example LinkedIn signup cascade Many of the popular websites such as LinkedIn power their growth through guest invitations from existing members to non-members. New members joining can also send such guest invitations resulting in cascade of membership growth at a large scale. How does such cascade of membership growth looks like? How viral […]

Online social networks have become important tools for networking, communication, sharing, and discovery. A considerable challenge these networks face is the fact that an online social network is partially observed: two individuals might know each other, but may not have established a connection on the site. Therefore, link prediction and recommendations are important tasks for […]

(photo from: http://www.city-data.com/picfilesv/picv32970.php) Here is a short summary of a few papers from SIGIR 2012: Adaptation of the Concept Hierarchy Model with Search Logs for Query Recommendation on Intranets by Ibrahim Adeyanju, Dawei Song, M-Dyaa Albakour, Udo Kruschwitz, Anne De Roeck and Maria Fasli. This paper talks about enhancing query suggestions on Intranets. The paper […]

Search plays an important role in online social networks such as LinkedIn as it provides an essential mechanism for discovering members and content on the network. Related search recommendation is one way for improving members’ search experience in finding relevant results. We recently wrote a paper on Metaphor, the related search recommendation system at LinkedIn […]