Overview of RepLab 2012: Evaluating Online Reputation Management Systems

This paper summarizes the goals, organization and results of the first RepLab competitive evaluation campaign for Online Reputation Management Systems (RepLab 2012). RepLab focused on the reputation of companies, and asked participant systems to annotate different types of information on tweets containing the names of several companies. Two tasks were proposed: a proling task, where…
P30 difference plot

Team COMMIT at TREC 2011

We describe the participation of Team COMMIT in this year’s Microblog and Entity track. In our participation in the Microblog track, we used a feature-based approach. Specifically, we pursued a precision oriented recency-aware retrieval approach for tweets. Amongst others we used various types of external data. In particular, we examined…
i found you!

A Semantic Perspective on Query Log Analysis

We present our views on the CLEF log file analysis task. We argue for a task definition that focuses on the semantic enrichment of query logs. In addition, we discuss how additional information about the context in which queries are being made could further our understanding of users’ information seeking…