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ii I certify that I have read this dissertation and that in my opinion it is fully adequate, in scope and quality, as a dissertation for the degree of Doctor of Philosophy. Ivan A. Sag (Principal Adviser) I certify that I have read this dissertation and that in my opinion it is fully adequate, in scope and quality, as a dissertation for the degree of Doctor(More)
We present a novel technique for speeding up the computation of PageRank, a hyperlink-based estimate of the " importance " of Web pages, based on the ideas presented in [7]. The original PageRank algorithm uses the Power Method to compute successive iterates that converge to the principal eigenvec-tor of the Markov matrix representing the Web link graph.(More)
Feature structures are related to frames in artiicial intelligence and to record structures in many programming languages. They are widely used as a data structure for natural language processing and their formalizations often include multiple inheritance and subtyping, which allow for terser descriptions and a logical control over non-determinism during(More)
OBJECTIVE To compare the clinical effectiveness of collaborative care with usual care in the management of patients with moderate to severe depression. DESIGN Cluster randomised controlled trial. SETTING 51 primary care practices in three primary care districts in the United Kingdom. PARTICIPANTS 581 adults aged 18 years and older who met ICD-10(More)
BACKGROUND Comprising of both organisational and patient level components, collaborative care is a potentially powerful intervention for improving depression treatment in UK primary Care. However, as previous models have been developed and evaluated in the United States, it is necessary to establish the effect of collaborative care in the UK in order to(More)
– This paper provides an LFG account of the Bulgarian direct object clitic's interaction with information structure (i.e. topic-focus structure) and word order. We show that the direct object clitic has at least two functions (it is both a topical object agreement marker and default pronoun) and then demonstrate how our account correctly predicts in which(More)
1 Introduction and background How best to describe vowel harmony in a constraint based grammar remains an open question. A huge variety of constraints have been proposed for OT and related weighted or serial frameworks, each reflecting its own interpretation of the phenomenon, and many basic theoretical points are still under debate, including what kinds of(More)