114,214 research outputs found

    Tourism partnerships and small firms: Power, participation and partition

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    Partnerships have been a central feature of the tourism public policy landscape in advanced capitalist countries for some time. The intuitively appealing argument is that, by sharing expertise and decision making, commitment to the local tourism project is ensured. By participating in partnership working, small firms - which are almost universally characteristic of the sector - are said to contribute to the form and competitiveness of the tourism offer. Drawing on a variety of sources, this paper argues that in most cases such assertions are misplaced because 'partnerships' organized by the public sector are often predicated on an inadequate conceptualization of small firms in tourism, fail to appreciate the importance and complexity of informal economic relations, and usually ignore the particular power relations at play in local tourism policy formation and change

    The maker not the tool: The cognitive significance of great ape manual skills

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    Tool-use by chimpanzees has attracted disproportionate attention among primatologists, because of an understandable wish to understand the evolutionary origins of hominin tool use. In archaeology and paleoanthropology, a focus on made-objects is inevitable: there is nothing else to study. However, it is evidently object-directed manual skills, enabling the objects to be made, that are critical in understanding the evolutionary origins of stone-tool manufacture. In this chapter I review object-directed manual skills in living great apes, making comparison where possible with hominin abilities that can be inferred from the archaeological record. To this end, ‘translations’ of terminology between the research traditions are offered. Much of the evidence comes from observation of apes gathering plants that present physical problems for handling and consumption, in addition to the more patchy data from tool use in captivity and the field. The living great apes, like ourselves, build up novel hierarchical structures involving regular sequences of elementary actions, showing co-ordinated manual role differentiation, in modular organizations with the option of iterating subroutines. Further, great apes appear able to use imitation of skilled practitioners as one source of information for this process, implying some ability to ‘see’ below the surface level of action and understand the motor planning of other individual; however, that process does not necessarily involve understanding cause-and-effect or the intentions of other individuals. Finally I consider whether a living non-human ape could effectively knap stone, and if not, what competence is lacking.Postprin

    An IT approach to cardiovascular care based on primary care

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    We describe a unique telemedicine approach to cardiovascular care, based in primary care, which combines store and forward with real time video. Patients presenting to the family practitioner (GP) with chest pain or symptoms indicative of cardiac disease are assessed within the health centre by exercise test ECG. The report, together with other clinical information is forwarded as an electronic referral to the cardiologist. Suitable candidates for angiography have an initial teleconsultation by video-conferencing, in which not only may the patient, GP and cardiologist discuss the diagnosis and forthcoming procedures in hospital, but also can undertake management of the patient, such as review of medication and life style. Follow-up consultations may be conducted by further tele-clinics. We also show how re-engineering the process has the potential to eliminate 75 of outpatient appointment

    Approximation algorithms for hard variants of the stable marriage and hospitals/residents problems

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    When ties and incomplete preference lists are permitted in the Stable Marriage and Hospitals/Residents problems, stable matchings can have different sizes. The problem of finding a maximum cardinality stable matching in this context is known to be NP-hard, even under very severe restrictions on the number, size and position of ties. In this paper, we describe polynomial-time 5/3-approximation algorithms for variants of these problems in which ties are on one side only and at the end of the preference lists. The particular variant is motivated by important applications in large scale centralised matching schemes
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