منابع مشابه
Challenges for Dataset Search
Ranked search of datasets has emerged as a need as shared scientific archives grow in size and variety. Our own investigations have shown that IRstyle, feature-based relevance scoring can be an effective tool for data discovery in scientific archives. However, maintaining interactive response times as archives scale will be a challenge. We report here on our exploration of performance technique...
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Abstract. The big valley hypothesis suggests that, in combinatorial optimisation, local optima of good quality are clustered and surround the global optimum. We show here that the idea of a single valley does not always hold. Instead the big valley seems to de-construct into several valleys, also called ‘funnels’ in theoretical chemistry. We use the local optima networks model and propose an ef...
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What makes an e-commerce company successful? In 2011 24% of venture capital in the US went into Internet companies adding up to a total of $6.9 billion (PwC & NVCA, 2011), with such high stakes the question of e-commerce success is more topical than ever. Google, one of the biggest ecommerce companies in the world, despite huge successful products like Google Search, has also seen failures. In ...
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This paper compares the search engine marketing strategies adopted in China and the Western countries through two illustrative cases, namely, Google and Baidu. Marketers in the West use search engine optimization (SEO) to rank their sites higher for queries in Google. Baidu, however, offers paid search placement, or the selling of engine results for particular keywords to the higher bidders. Wh...
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We describe an approach to object retrieval which searches for and localizes all the occurrences of an object in a video, given a query image of the object. The object is represented by a set of viewpoint invariant region descriptors so that recognition can proceed successfully despite changes in viewpoint, illumination and partial occlusion. The temporal continuity of the video within a shot i...
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ژورنال
عنوان ژورنال: Public Services Quarterly
سال: 2019
ISSN: 1522-8959,1522-9114
DOI: 10.1080/15228959.2019.1621793