Temat: pattern complexity - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: On Sequence Entropy of Thue-Morse Shift
Autorzy:: Foryś, Magdalena
Powiązania:: https://bibliotekanauki.pl/articles/1373719.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:: entropy
Thue-Morse sequence
sequence entropy
pattern
pattern complexity
Opis:: The paper summarizes properties of topological and sequence en- tropy of the Morse shift $X_\M$ generated by the Thue-Morse sequence $t_M$. The first part is an estimation of growth rate of possible subwords in $t_M$. We show a polynomial upper bound on the number of finite subwords occuring in $t_M$ which is $Cn^{2 log 3}$ for some constant $C > 0$. In the second part we prove that the sequence entropy of $X_M$ is achieved for the sequence $r (i) = 2^{2i} − 1$.
Źródło:: Schedae Informaticae; 2013, 22; 19-25
0860-0295
2083-8476
Pojawia się w:: Schedae Informaticae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Design of fuzzy rule-based classifiers through granulation and consolidation
Autorzy:: Riid, A.
Preden, J.-S.
Powiązania:: https://bibliotekanauki.pl/articles/91638.pdf
Data publikacji:: 2017
Wydawca:: Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:: pattern recognition
fuzzy classification
complexity reduction
Opis:: This paper addresses the issue how to strike a good balance between accuracy and compactness in classification systems - still an important question in machine learning and data mining. The fuzzy rule-based classification approach proposed in current paper exploits the method of rule granulation for error reduction and the method of rule consolidation for complexity reduction. The cooperative nature of those methods - the rules are split in a way that makes efficient rule consolidation feasible and rule consolidation itself is capable of further error reduction - is demonstrated in a number of experiments with nine benchmark classification problems. Further complexity reduction, if necessary, is provided by rule compression.
Źródło:: Journal of Artificial Intelligence and Soft Computing Research; 2017, 7, 2; 137-147
2083-2567
2449-6499
Pojawia się w:: Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Assessment of annual high-discharge patterns in Kapuas River using information and complexity measures
Autorzy:: Gusti, Gillang N.N.
Herawati, Henny
Kawanisi, Kiyosi
Al Sawaf, Mohamad B.
Danial, Mochammad M.
Powiązania:: https://bibliotekanauki.pl/articles/27312645.pdf
Data publikacji:: 2023
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: El Niño-Southern Oscillation
flood pattern
information measures
complexity measures
Kapuas River
tropical monsoon
Opis:: A recent study revealed that the amount of rainfall on the Kapuas River has increased over the last 30 years. The increase in rainfall increases the possibility of high discharge events, which might lead to destructive flooding of the Kapuas River and its tributaries. Hence, the ability to characterise the pattern of high discharge events is compulsory for the development and management of the Kapuas River watershed. The main objective of this study was to assess and characterise flood patterns in the Kapuas River watershed. To achieve this objective, we utilised information and complexity measures that consisted of mean information gain (MIG), effective measure complexity (EMC) and fluctuation complexity (FC) in daily water level records from 2002 to 2011 from a gauging station in Sanggau, West Kalimantan Province. The results revealed that flood events in the Kapuas River were mainly generated by the Indo-Australian monsoon, which occurred from December to March. The anomaly in 2010, when intense flood events were observed during the dry season, can be identified as the effect of a strong negative El Niño-Southern Oscillation (ENSO). Additionally, the analysis of the information and complexity measures indicates that: (i) EMC, which reflects the length of flood events, tends to increase along with greater discharge, and (ii) MIG and FC, which denote the degree of randomness and fluctuation of flood events, respectively, tended to have higher values when the number of months without high discharge was less.
Źródło:: Journal of Water and Land Development; 2023, 57; 62--68
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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