Time-Bounded A* (TBA*) is a single-agent deterministic search algorithm that expands states of a graph in the same order as A* does, but that unlike A* interleaves search and action execution. Although the idea underlying TBA* can be generalized to other single-agent deterministic search algorithms, little is known about the impact on performance that would result from using algorithms other th...

On 21 September 1995, Canada’s Tobacco Products Control Act, which banned tobacco advertising in 1988, was declared unconstitutional by its Supreme Court by the slimmest of margins (5 to 4). Within weeks of the decision, the Marquess of Queensberry rule book for tobacco advertising was torn up by the publication of advertisements for Buz cigarettes in a weekly entertainment newspaper in Vancouv...

Background. Low-income mothers have greater challenges in accessing health care services due changes in the health care system and budget cuts. The purpose of this randomized clinical trial was to test a nurse practitioner (NP) intervention using cell phone and texting on maternal/infant outcomes. Methods. The sample included 129 mother-infant pairs. Intervention group mothers received NP 2-way...

The cliché " once a homeowner, always a homeowner " is not true. We study the causes of terminations of spells of first-time homeownership. Using a national panel data set, we find that the likelihood of a household terminating a spell of homeownership is predictable at the time of purchase. Specifically, the lower the probability score that a household becomes an owner at the time of purchase,...