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	<title>CS Study Fun - Khoa học máy tính</title>
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		<title>Boost.MPI (3) – Lập trình thuật toán song song của Nocedal &amp; cộng sự</title>
		<link>http://csstudyfun.wordpress.com/2010/12/03/boost-mpi-3-%e2%80%93-l%e1%ba%adp-trinh-thu%e1%ba%adt-toan-song-song-c%e1%bb%a7a-nocedal-c%e1%bb%99ng-s%e1%bb%b1/</link>
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		<pubDate>Fri, 03 Dec 2010 13:31:48 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Quy hoạch lồi]]></category>
		<category><![CDATA[Thuật toán]]></category>

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		<title>Boost.MPI (2) &#8211; Bài toán phân lớp tuyến tính</title>
		<link>http://csstudyfun.wordpress.com/2010/12/02/boost-mpi-2-bai-toan-phan-l%e1%bb%9bp-tuy%e1%ba%bfn-tinh/</link>
		<comments>http://csstudyfun.wordpress.com/2010/12/02/boost-mpi-2-bai-toan-phan-l%e1%bb%9bp-tuy%e1%ba%bfn-tinh/#comments</comments>
		<pubDate>Thu, 02 Dec 2010 13:30:24 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Quy hoạch lồi]]></category>
		<category><![CDATA[Thuật toán]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1242</guid>
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		<item>
		<title>Boost.MPI (1)</title>
		<link>http://csstudyfun.wordpress.com/2010/12/01/boost-mpi-1-2/</link>
		<comments>http://csstudyfun.wordpress.com/2010/12/01/boost-mpi-1-2/#comments</comments>
		<pubDate>Wed, 01 Dec 2010 13:29:13 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Quy hoạch lồi]]></category>
		<category><![CDATA[Thuật toán]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1240</guid>
		<description><![CDATA[Đọc ở đây http://etintin.com/csstudyfun/?p=1397<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=1240&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<item>
		<title>Mô hình học gần đúng (PAC) (2) – Lớp khái niệm vô hạn</title>
		<link>http://csstudyfun.wordpress.com/2010/10/18/mo-hinh-h%e1%bb%8dc-g%e1%ba%a7n-dung-pac-2-%e2%80%93-l%e1%bb%9bp-khai-ni%e1%bb%87m-vo-h%e1%ba%a1n/</link>
		<comments>http://csstudyfun.wordpress.com/2010/10/18/mo-hinh-h%e1%bb%8dc-g%e1%ba%a7n-dung-pac-2-%e2%80%93-l%e1%bb%9bp-khai-ni%e1%bb%87m-vo-h%e1%ba%a1n/#comments</comments>
		<pubDate>Mon, 18 Oct 2010 13:28:12 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Học thống kê]]></category>
		<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1238</guid>
		<description><![CDATA[Đọc ở đây http://etintin.com/csstudyfun/?p=1299<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=1238&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">tqlong</media:title>
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		<item>
		<title>Mô hình học gần đúng (PAC) (1) – Lớp khái niệm hữu hạn</title>
		<link>http://csstudyfun.wordpress.com/2010/10/10/mo-hinh-h%e1%bb%8dc-g%e1%ba%a7n-dung-pac-1-%e2%80%93-l%e1%bb%9bp-khai-ni%e1%bb%87m-h%e1%bb%afu-h%e1%ba%a1n/</link>
		<comments>http://csstudyfun.wordpress.com/2010/10/10/mo-hinh-h%e1%bb%8dc-g%e1%ba%a7n-dung-pac-1-%e2%80%93-l%e1%bb%9bp-khai-ni%e1%bb%87m-h%e1%bb%afu-h%e1%ba%a1n/#comments</comments>
		<pubDate>Sun, 10 Oct 2010 13:27:05 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1234</guid>
		<description><![CDATA[Đọc ở đây http://etintin.com/csstudyfun/?p=1247<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=1234&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">tqlong</media:title>
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	</item>
		<item>
		<title>Mô hình đồ thị (Graphical models) (1) &#8211; Giới thiệu</title>
		<link>http://csstudyfun.wordpress.com/2009/07/15/mo-hinh-d%e1%bb%93-th%e1%bb%8b-graphical-models-1-gi%e1%bb%9bi-thi%e1%bb%87u/</link>
		<comments>http://csstudyfun.wordpress.com/2009/07/15/mo-hinh-d%e1%bb%93-th%e1%bb%8b-graphical-models-1-gi%e1%bb%9bi-thi%e1%bb%87u/#comments</comments>
		<pubDate>Wed, 15 Jul 2009 13:00:34 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Mô hình đồ thị]]></category>
		<category><![CDATA[Artificial Neural Networks]]></category>
		<category><![CDATA[chain]]></category>
		<category><![CDATA[chiều VC]]></category>
		<category><![CDATA[concept]]></category>
		<category><![CDATA[graphical model]]></category>
		<category><![CDATA[học quá]]></category>
		<category><![CDATA[khái niệm]]></category>
		<category><![CDATA[Markov property]]></category>
		<category><![CDATA[mạng nơron]]></category>
		<category><![CDATA[message]]></category>
		<category><![CDATA[overfitting]]></category>
		<category><![CDATA[tính chất Markov]]></category>
		<category><![CDATA[thông điệp]]></category>
		<category><![CDATA[VC dimension]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1165</guid>
		<description><![CDATA[Ta đã biết, để tiến hành việc &#8220;học&#8221; một khái niệm (khái niệm gốc &#8211; true concept, ground truth), người ta thường chọn trong một lớp hàm ra một hàm phù hợp nhất với dữ liệu vào (sinh ra từ khái niệm ) . Như vậy, lớp hàm có tính quyết định đối với việc [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=1165&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">tqlong</media:title>
		</media:content>

		<media:content url="http://csstudyfun.files.wordpress.com/2009/07/weather-graphical-model.jpg" medium="image">
			<media:title type="html">Mô hình đồ thị của thời tiết</media:title>
		</media:content>

		<media:content url="http://csstudyfun.files.wordpress.com/2009/07/weather-chain-graphical-model.jpg" medium="image">
			<media:title type="html">Mô hình đồ thị thời tiết</media:title>
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	</item>
		<item>
		<title>Chiều VC (VC dimension) (4) – Một số lớp hàm đơn giản</title>
		<link>http://csstudyfun.wordpress.com/2009/07/09/chi%e1%bb%81u-vc-vc-dimension-4-%e2%80%93-m%e1%bb%99t-s%e1%bb%91-l%e1%bb%9bp-ham-d%c6%a1n-gi%e1%ba%a3n/</link>
		<comments>http://csstudyfun.wordpress.com/2009/07/09/chi%e1%bb%81u-vc-vc-dimension-4-%e2%80%93-m%e1%bb%99t-s%e1%bb%91-l%e1%bb%9bp-ham-d%c6%a1n-gi%e1%ba%a3n/#comments</comments>
		<pubDate>Thu, 09 Jul 2009 13:00:20 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[chiều VC]]></category>
		<category><![CDATA[máy phân lớp sử dụng véctơ hỗ trợ]]></category>
		<category><![CDATA[perceptron]]></category>
		<category><![CDATA[phá vỡ]]></category>
		<category><![CDATA[phân cách 2 lớp bằng siêu phẳng]]></category>
		<category><![CDATA[Radon]]></category>
		<category><![CDATA[RBF]]></category>
		<category><![CDATA[shatter]]></category>
		<category><![CDATA[siêu phẳng]]></category>
		<category><![CDATA[SVM]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1127</guid>
		<description><![CDATA[Ta tìm hiểu chiều VC của một số lớp hàm đơn giản trong bài này. Theo định nghĩa, chiều VC của một lớp khái niệm là số phần tử lớn nhất của một tập có thể bị phá vỡ (shatter) bởi lớp khái niệm này. Để chỉ ra chiều VC của một lớp khái niệm [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=1127&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://csstudyfun.wordpress.com/2009/07/09/chi%e1%bb%81u-vc-vc-dimension-4-%e2%80%93-m%e1%bb%99t-s%e1%bb%91-l%e1%bb%9bp-ham-d%c6%a1n-gi%e1%ba%a3n/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">tqlong</media:title>
		</media:content>

		<media:content url="http://csstudyfun.files.wordpress.com/2009/06/drawing-concept-class-interval1.jpg" medium="image">
			<media:title type="html">Lớp khái niệm đoạn đóng</media:title>
		</media:content>

		<media:content url="http://csstudyfun.files.wordpress.com/2009/06/drawing-concept-class-regtangle1.jpg" medium="image">
			<media:title type="html">Lớp khái niệm hình chữ nhật</media:title>
		</media:content>

		<media:content url="http://csstudyfun.files.wordpress.com/2009/06/axis-aligned-rectangle-shatter.jpg" medium="image">
			<media:title type="html">Khả năng phá vỡ của lớp các hình chữ nhật</media:title>
		</media:content>

		<media:content url="http://csstudyfun.files.wordpress.com/2009/06/half-space-concept1.jpg" medium="image">
			<media:title type="html">half-space-concept</media:title>
		</media:content>
	</item>
		<item>
		<title>Nguyên tắc tối thiểu hóa rủi ro thực nghiệm (4) – Ước lượng kì vọng Rademacher, chiều VC</title>
		<link>http://csstudyfun.wordpress.com/2009/07/07/nguyen-t%e1%ba%afc-t%e1%bb%91i-thi%e1%bb%83u-hoa-r%e1%bb%a7i-ro-th%e1%bb%b1c-nghi%e1%bb%87m-4-%e2%80%93-%c6%b0%e1%bb%9bc-l%c6%b0%e1%bb%a3ng-ki-v%e1%bb%8dng-rademacher/</link>
		<comments>http://csstudyfun.wordpress.com/2009/07/07/nguyen-t%e1%ba%afc-t%e1%bb%91i-thi%e1%bb%83u-hoa-r%e1%bb%a7i-ro-th%e1%bb%b1c-nghi%e1%bb%87m-4-%e2%80%93-%c6%b0%e1%bb%9bc-l%c6%b0%e1%bb%a3ng-ki-v%e1%bb%8dng-rademacher/#comments</comments>
		<pubDate>Wed, 08 Jul 2009 03:13:36 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Học thống kê]]></category>
		<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[Artificial Neural Networks]]></category>
		<category><![CDATA[chiều VC]]></category>
		<category><![CDATA[empirical risk minimization]]></category>
		<category><![CDATA[ERM]]></category>
		<category><![CDATA[finite class lemma]]></category>
		<category><![CDATA[growth function]]></category>
		<category><![CDATA[hàm tăng trưởng]]></category>
		<category><![CDATA[học quá]]></category>
		<category><![CDATA[massart]]></category>
		<category><![CDATA[mạng nơron]]></category>
		<category><![CDATA[overfitting]]></category>
		<category><![CDATA[rademacher]]></category>
		<category><![CDATA[shatter]]></category>
		<category><![CDATA[tối thiểu rủi ro thực nghiệm]]></category>
		<category><![CDATA[VC dimension]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=1064</guid>
		<description><![CDATA[Bài trước cho thấy mối quan hệ giữa và liên quan đến kỳ vọng Rademacher của lớp hàm . Định lý: Nếu và hàm lỗi là hàm lỗi 0-1, , ta có . Chứng minh: Theo định nghĩa (do ) (do có cùng phân bố với ) Nhận xét: Định lý cho phép liên hệ [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=1064&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">tqlong</media:title>
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	</item>
		<item>
		<title>Chiều VC (VC dimension) (3) &#8211; Hàm tăng trưởng (growth function)</title>
		<link>http://csstudyfun.wordpress.com/2009/07/05/chi%e1%bb%81u-vc-vc-dimension-3-ham-tang-tr%c6%b0%e1%bb%9fng-growth-function/</link>
		<comments>http://csstudyfun.wordpress.com/2009/07/05/chi%e1%bb%81u-vc-vc-dimension-3-ham-tang-tr%c6%b0%e1%bb%9fng-growth-function/#comments</comments>
		<pubDate>Sun, 05 Jul 2009 13:00:52 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[chiều VC]]></category>
		<category><![CDATA[growth function]]></category>
		<category><![CDATA[hàm tăng trưởng]]></category>
		<category><![CDATA[khái niệm]]></category>
		<category><![CDATA[lớp khái niệm]]></category>
		<category><![CDATA[phá vỡ]]></category>
		<category><![CDATA[shatter]]></category>
		<category><![CDATA[VC dimension]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=800</guid>
		<description><![CDATA[Định nghĩa: Đặt , tức là bằng số cách lớn nhất có thể có để lớp khái niệm phân chia tập bất kì có phần tử. Ta gọi là hàm tăng trưởng (growth function) của lớp khái niệm . Dễ thấy rằng, do , ta có với mọi lớp khái niệm . Đặc biệt khi [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=800&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://csstudyfun.wordpress.com/2009/07/05/chi%e1%bb%81u-vc-vc-dimension-3-ham-tang-tr%c6%b0%e1%bb%9fng-growth-function/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">tqlong</media:title>
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		<title>Chiều VC (VC dimension) (2) &#8211; Phá vỡ một tập hợp (shatter)</title>
		<link>http://csstudyfun.wordpress.com/2009/07/03/chi%e1%bb%81u-vc-vc-dimension-2-pha-v%e1%bb%a1-m%e1%bb%99t-t%e1%ba%adp-h%e1%bb%a3p-shatter/</link>
		<comments>http://csstudyfun.wordpress.com/2009/07/03/chi%e1%bb%81u-vc-vc-dimension-2-pha-v%e1%bb%a1-m%e1%bb%99t-t%e1%ba%adp-h%e1%bb%a3p-shatter/#comments</comments>
		<pubDate>Fri, 03 Jul 2009 13:00:11 +0000</pubDate>
		<dc:creator>tqlong</dc:creator>
				<category><![CDATA[Lý thuyết học máy]]></category>
		<category><![CDATA[chiều VC]]></category>
		<category><![CDATA[concept]]></category>
		<category><![CDATA[concept class]]></category>
		<category><![CDATA[khái niệm]]></category>
		<category><![CDATA[lớp khái niệm]]></category>
		<category><![CDATA[phá vỡ]]></category>
		<category><![CDATA[shatter]]></category>
		<category><![CDATA[VC dimension]]></category>

		<guid isPermaLink="false">http://csstudyfun.wordpress.com/?p=791</guid>
		<description><![CDATA[Một khái niệm quan trọng trong lý thuyết VC là khái niệm phá vỡ một tập hợp (shatter). Khái niệm này cho thấy khả năng thể hiện của một lớp khái niệm. Định nghĩa: Cho không gian mẫu , tập và một lớp khái niệm trên . Đặt Có thể hiểu như sau: là tất [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=csstudyfun.wordpress.com&amp;blog=2744179&amp;post=791&amp;subd=csstudyfun&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://csstudyfun.wordpress.com/2009/07/03/chi%e1%bb%81u-vc-vc-dimension-2-pha-v%e1%bb%a1-m%e1%bb%99t-t%e1%ba%adp-h%e1%bb%a3p-shatter/feed/</wfw:commentRss>
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			<media:title type="html">tqlong</media:title>
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