Andd7 @ NTCIR-11 Temporal Information Access Task

The Andd7 team from Dhirubhai Ambani Institute of Information and Communication Technology(DA-IICT) participated in both the subtasks namely Temporal Query Intent Classification(TQIC) and Temporal Information Retrieval(TIR) of the pilot task of NTCIR-11 Temporal Information Access(Temporalia) Task [4]. This report describes different classification methods and feature sets used for classifying queries for TQIC and our approach towards building an Information Retrieval system for TIR subtask. Experimental results show that one of our system achieves the second best accuracy of all the systems submitted by different participants. Also for TIR task, we have achieved a comparative nDCG@20 which we have used for evaluation of our system.