Baseline Source Selection Methods. TSR is compared with the following agreement based and query similarity based source selection methods. The agreement based methods consider the source agreement, and hence the trustworthiness and rel- evance of the sources are taken into account. On the other hand, pure query similarity measures like XXXX [17] assesses the source quality based on sim- ilarity of content with the user query; hence xxxxx- tic to the trust and importance. The XXXX and the Undifferentiated SourceRank described below may be considered as the alternative approaches to multi-topic search derived from the existing methods.
