Two heads for one

Are two heads better than one?

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For Myo4p, two heads are better than one

Bridging the gap between atlastin conformations M orin-Leisk et al. describe how a salt bridge drives a con-formational change in the atlas-tin GTPase to promote membrane fusion and ER branching. Atlastins are membrane-anchored members of the dynamin family of GTPases that tether and fuse ER tubules together in order to maintain the organelle's branched morphology. Crystal structures suggest th...

In Question Answering, Two Heads Are Better Than One

Motivated by the success of ensemble methods in machine learning and other areas of natural language processing, we developed a multistrategy and multi-source approach to question answering which is based on combining the results from different answering agents searching for answers in multiple corpora. The answering agents adopt fundamentally different strategies, one utilizing primarily knowl...

Two (or more) heads are better than one.

Two Heads Are Better Than One, but How Much?

Many theories of causal learning and causal induction differ in their assumptions about how people combine the causal impact of several causes presented in compound. Some theories propose that when several causes are present, their joint causal impact is equal to the linear sum of the individual impact of each cause. However, some recent theories propose that the causal impact of several causes...