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排序方式: 共有269条查询结果,搜索用时 15 毫秒
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为增强我国平面媒体对冬奥会的新闻报道力度,拓宽报道领域,提高报道质量,推动冬季项目的高水平发展,运用问卷调查法、专家访谈法、内容分析法,归纳、总结我国平面媒体冬奥会新闻报道现状。在对报道中存在的问题进行深入分析基础上提出可持续发展对策,为我国平面媒体冬奥会新闻报道的发展提供理论依据。 相似文献
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随着近一年来房价泡沫的破裂和房地产业的调整,楼市成为媒体竞相报道的话题,但总体表现却令人失望。本文试图通过对近期国内媒体房地产报道进行反思,总结其中存在的诸问题并加以简要分析。 相似文献
25.
Negation recognition in medical narrative reports 总被引:1,自引:0,他引:1
Substantial medical data, such as discharge summaries and operative reports are stored in electronic textual form. Databases
containing free-text clinical narratives reports often need to be retrieved to find relevant information for clinical and
research purposes. The context of negation, a negative finding, is of special importance, since many of the most frequently
described findings are such. When searching free-text narratives for patients with a certain medical condition, if negation
is not taken into account, many of the documents retrieved will be irrelevant. Hence, negation is a major source of poor precision
in medical information retrieval systems. Previous research has shown that negated findings may be difficult to identify if
the words implying negations (negation signals) are more than a few words away from them. We present a new pattern learning
method for automatic identification of negative context in clinical narratives reports. We compare the new algorithm to previous
methods proposed for the same task, and show its advantages: accuracy improvement compared to other machine learning methods,
and much faster than manual knowledge engineering techniques with matching accuracy. The new algorithm can be applied also
to further context identification and information extraction tasks.
相似文献
Lior RokachEmail: |
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基于韩礼德的衔接理论,试图通过对《晚报浏览》节目中的新闻加以研究,从中找出新闻之间的衔接策略,以便对新闻语篇作出更加客观和科学的分析。 相似文献
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Max Visser 《Learning Inquiry》2008,2(2):127-137
To survive in and adapt to dynamic, turbulent, and complex environments, organizations need to engage in learning. This truism is particularly relevant for army organizations in times of war and armed conflict. In this article a case of army operations during World War II is analyzed on the basis of ?rtenblad’s integrated model of the learning organization and Argyris and Schön’s theory of action approach. Among others, it is found that survival of and adaptation to combat conditions is possible through single-loop learning, provided that this learning takes place in an open and productive learning climate. This and other conclusions have important implications for theory and practice of organizational learning under conditions of hierarchy and discipline. 相似文献
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年报补丁是我国上市公司信息披露的重要特征之一,也是我国证券市场的一个普遍现象。本文分析了上市公司实行年报补丁制度对有关各方的利弊,提出了相关的建议。 相似文献
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王一凡 《黄山高等专科学校学报》2008,(2):52-55
“民生新闻”作为新闻学的一个新名词始于2002年,而事实上的民生新闻早在130年前就已经出现,即《申报》的市井新闻。《申报》作为中国最早也是影响最广的市民报纸,一直以关注百姓生活为己任,其市井新闻也是今日民生新闻之鼻祖。对《申报》市井新闻的梳理以及对《申报》市井新闻与当时上海社会的关系的分析有助于加深人们对当下民生新闻的思考和创新。 相似文献
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The present study examines the development of sight word reading in young children by examining changes in their self‐reported reading strategies over time. A sample of 65 five to seven year olds were asked to read 40 real word items, all carefully matched for letter length and word frequency, on three separate occasions. Changes in the children’s word identifications were measured using immediately retrospective verbal self‐reports. Overall, the results showed some variability in the children’s self‐reported reading strategies. Over time the children relied less on phonological strategies and moved towards reliance on directly retrieving words from memory. This change was most evident in the older children; while both year groups showed similar patterns of shifting reliance from explicit phonological strategies to retrieval, this shift was simply less frequent among the younger children. An analysis of word‐specific changes in reading strategies showed that the older children had a better sight vocabulary for more complex word items. These findings provide further support for Ehri’s mediated phase theory in explaining children’s development in learning to read. 相似文献