نتایج جستجو برای: pattern clustering
تعداد نتایج: 445012 فیلتر نتایج به سال:
Steel consumption is a critical factor affecting pricing decisions and a key element to achieve sustainable industrial development. Forecasting future trends of steel consumption based on analysis of nonlinear patterns using artificial intelligence (AI) techniques is the main purpose of this paper. Because there are several features affecting target variable which make the analysis of relations...
ناهنجاریهای اطلاعاتی به آن دسته از اطلاعات گفته می شود که بنحو چشمگیری با بقیه اطلاعات متفاوت می باشند. هر مجموعه اطلاعات از یک هنجار خاصی برخوردار می باشد. بعضی اوقات نمونه هایی از اطلاعات از این هنجار تبعیت نمی کنند. یافتن این ناهنجاریها بسیار مهم بوده و کاربردهای زیادی دارد از جمله کشف تقلب در حوزه های مختلف (مانند کارتهای اعتباری)، کشف پولشویی، تحقیقات پزشکی، پیش بینی وضع هوا، پاکسازی اطلاع...
0957-4174/$ see front matter 2011 Elsevier Ltd. A doi:10.1016/j.eswa.2011.08.144 E-mail address: [email protected] As the wafer size increases, the clustering phenomenon of defects becomes significant. In addition to clustered defects, various clustering patterns also influence thewafer yield. In fact, the recognition of clustering pattern usually exists fuzziness. However, the wafer yield m...
Complex systems are usually represented as an intricate set of relations between their components forming a complex graph or network. The understanding of their functioning and emergent properties are strongly related to their structural properties. The finding of structural patterns is of utmost importance to reduce the problem of understanding the structure–function relationships. Here we pro...
In this paper, we introduce a new fuzzy clustering algorithm to detect an unknown number of planar and quadric shapes in noisy data. The proposed algorithm is computationally and implementationally simple, and overcomes many of the drawbacks of the existing algorithms that have been proposed for similar tasks. Since the clustering is performed in the original image space, and since no features ...
In this paper we describe our participation in the Second Web People Search workshop (WePS2) and detail our approaches. For the clustering task, our focus was on replicating the lessons learned at WEPS1 on the data set made available as part of WEPS2 and on experimenting with a voting-based combination of clustering methods. We found that clustering methods display the same overall behavior on ...
Understanding the dynamics by which urban areas attract visitors is significant for urban development in cities. In addition, identifying services that relate to highly attractive districts is useful to make policies regarding the placement of such places. Thus, we present a framework for classifying districts in cities by their attractiveness to visitors, and relating Points of Interests (POIs...
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