Matt Walker

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All Netflix Prize algorithms proposed so far are prohibitively costly for large-scale production systems. In this paper, we describe an efficient dataflow implementation of a collaborative filtering (CF) solution to the Netflix Prize problem [1] based on weighted coclustering [5]. The dataflow library we use facilitates the development of sophisticated(More)
STUDY DESIGN Biomechanical study of pullout strength of unicortical versus bicortical C1 lateral mass screws using a cadaveric cervical spine model. OBJECTIVE To compare pullout strength of unicortical versus bicortical C1 lateral mass screws. SUMMARY OF BACKGROUND DATA The internal carotid artery and hypoglossal nerve lie over the anterior aspect of(More)
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