Merge-Based Computation of Minimal Generators

机译：最小生成器的基于合并的计算

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Minimal generators (mingens) of concept intents are valuable elements of the Formal Concept Analysis (FCA) landscape, which are widely used in the database field, for data mining but also for database design purposes. The volatility of many real-world datasets has motivated the study of the evolution in the concept set under various modifications of the initial context. We believe this should be extended to the evolution of mingens. In the present paper, we build up on previous work about the incremental maintenance of the mingen family of a context to investigate the case of lattice merge upon context subposition. We first recall the theory underlying the singleton increment and show how it generalizes to lattice merge. Then we present the design of an effective merge procedure for concepts and mingens together with some preliminary experimental results about its performance.

机译：概念意图的最小生成器（mingens）是形式概念分析（FCA）领域的宝贵元素，已在数据库领域广泛使用，既用于数据挖掘又用于数据库设计。许多现实世界数据集的易变性激发了在初始上下文的各种修改下概念集演变的研究。我们认为，这应该扩展到明根族的发展。在本文中，我们基于上下文的mingen族的增量维护的先前工作，以研究上下文子位置上的格合并的情况。我们首先回顾一下单例增量的基础理论，并说明它如何推广到晶格合并。然后，我们提出了一种有效的合并概念和混合程序的设计，以及有关其性能的一些初步实验结果。

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《International Conference on Conceptual Structures(ICCS 2005); 20050717-22; Kassel(DE)》|2005年|P.181-194|共14页
会议地点 Kassel(DE)
作者
Celine Frambourg; Petko Valtchev; Robert Godin;
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Departement d'informatique, UQAM, Montreal (Qc), Canada;

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原文格式 PDF
正文语种 eng
中图分类计算机网络;
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4. Merge-Based Computation of Minimal Generators [C] . Celine Frambourg, Petko Valtchev, Robert Godin International Conference on Conceptual Structures . 2005

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7. We conducted experiments using a Solar-Sea-Oasis (SSO) and a microbubble generator (MB) toimprove hypoxic condition at mooring place in Tokyo University of Marine Science and Technology. We looked intoeffects of these apparatuses by computational fluid dynamics (CFD). When we operated SSO, the effect of dissolvedoxygen (DO) supply was only confirmed near the water outlet. This was suggested by computational fluid dynamicsthat water that came out from water outlet rising upward without staying in the bottom was the causes. Then, weconducted experiments using a MB to aerate bottom of the sea more directly. Vertical distributions of DO showedoxygen was supplied horizontally, but DO concentration increased about 0.24 mg L-1 that was lower than SSOexperiment. This was suggested by CFD that water came out from MB generator spread horizontally without stayingnear the MB generator was the cause. Therefore, it is necessary to improve of making the MB water staying morenear the MB generator. [O] . 遠矢亮, 小島諒子, 石丸隆, 2010

机译：我们使用solar-sea-Oasis（ssO）和微泡发生器（mB）进行了实验，以改善东京海洋科技大学系泊处的低氧条件。我们通过计算流体动力学研究了这些能力的影响（ CFD）。当我们操作ssO时，溶解无氧（DO）供应的影响仅在出水口附近得到证实。这是通过计算流体动力学提出的，从出水口出来的水不会停留在底部是然后，我们利用mB进行实验，更直接地对海底进行曝气.DO的垂直分布显示水平供给无氧，但DO浓度增加约0.24 mg L-1，低于ssO nexperiment。这是CFD建议的，水从mB发生器中流出，水平传播而不停留在mB发生器的原因。 mB发电机。

Merge-Based Computation of Minimal Generators

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