Asthma referrals : a key component of asthma management that needs to be addressed

Peer reviewedPublisher PD

Document Distance for the Automated Expansion of Relevance Judgements for Information Retrieval Evaluation

This paper reports the use of a document distance-based approach to automatically expand the number of available relevance judgements when these are limited and reduced to only positive judgements. This may happen, for example, when the only available judgements are extracted from a list of references in a published review paper. We compare the results on two document sets: OHSUMED, based on medical research publications, and TREC-8, based on news feeds. We show that evaluations based on these expanded relevance judgements are more reliable than those using only the initially available judgements, especially when the number of available judgements is very limited.Comment: SIGIR 2014 Workshop on Gathering Efficient Assessments of Relevanc

The creditworthiness of the poor: a model of the Grameen Bank

This paper analyzes the role of expected income in entrepreneurial borrowing. We claim that poorer individuals are safer borrowers because they place more value on the relationship with the bank. We study the dynamics of a monopolistic bank granting loans and taking deposits from overlapping generations of entrepreneurs with different levels of expected income. Matching the evidence of the Grameen Bank we show that a bank will focus on individuals with lower expected income, and will not disburse dividends until it reaches all the potential borrowers. We find empirical support for our theoretical results using data from a household survey from Bangladesh. We show that various measures of expected income are positively and signficantly correlated with default probabilities.