activity
20132019
most citedAdaptive Crowdsourcing Algorithms for the Bandit Survey Problem

31 citations · 38 across the 6 of their papers we have counts for

collaborators

6 papers

cs.IR2019

Local versus Global Strategies in Social Query Expansion

Omar Alonso, Vasileios Kandylas, Serge-Eric Tremblay

Link sharing in social media can be seen as a collaboratively retrieved set of documents for a query or topic expressed by a hashtag. Temporal information plays an important role f…

cs.IR2019

Scalable Knowledge Graph Construction from Twitter

Omar Alonso, Vasileios Kandylas, Serge-Eric Tremblay

We describe a knowledge graph derived from Twitter data with the goal of discovering relationships between people, links, and topics. The goal is to filter out noise from Twitter a…

cs.HC2014★ 6 cited

A Study on Placement of Social Buttons in Web Pages

Omar Alonso, Vasilis Kandylas

With the explosion of social media in the last few years, web pages nowadays include different social network buttons where users can express if they support or recommend content.…

cs.SI2014

CrowdSTAR: A Social Task Routing Framework for Online Communities

Besmira Nushi, Omar Alonso, Martin Hentschel +1

The online communities available on the Web have shown to be significantly interactive and capable of collectively solving difficult tasks. Nevertheless, it is still a challenge to…

cs.LG2013★ 1 cited

A Data Management Approach for Dataset Selection Using Human Computation

Alexandros Ntoulas, Omar Alonso, Vasilis Kandylas

As the number of applications that use machine learning algorithms increases, the need for labeled data useful for training such algorithms intensifies. Getting labels typically in…

cs.LG2013★ 31 cited

Adaptive Crowdsourcing Algorithms for the Bandit Survey Problem

Ittai Abraham, Omar Alonso, Vasilis Kandylas +1

Very recently crowdsourcing has become the de facto platform for distributing and collecting human computation for a wide range of tasks and applications such as information retrie…