Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Masatoshi Uehara"'
1
Akademický článek
MOTIVATIONS AND RESOURCES OF SMALL-SCALE FARMERS FOR STAYING IN THEIR VILLAGE IN NORTHEAST THAILAND
Autor: Masatoshi Uehara
Publikováno v: Journal of Asian Rural Studies, Vol 3, Iss 1, Pp 35-47 (2019)
This study aims to examine one simple question: Why do some small-scale farmers in rural, northeast Thailand keep staying on in their villages despite the fact that they could earn a much higher income if they worked in urban areas? To answer this qu
Externí odkaz: https://doaj.org/article/3edd84f1d456407aae4b76e8da889b03
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4
Information criteria for non-normalized models
Autor: Takeru Matsuda, Masatoshi Uehara, Aapo Hyvarinen
Publikováno v: University of Helsinki
Many statistical models are given in the form of non-normalized densities with an intractable normalization constant. Since maximum likelihood estimation is computationally intensive for these models, several estimation methods have been developed wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73dcd8ce14cdd920f8b0bbe01305a423
http://hdl.handle.net/10138/333909
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6
Efficiently Breaking the Curse of Horizon in Off-Policy Evaluation with Double Reinforcement Learning
Autor: Nathan Kallus, Masatoshi Uehara
Off-policy evaluation (OPE) in reinforcement learning is notoriously difficult in long- and infinite-horizon settings due to diminishing overlap between behavior and target policies. In this paper, we study the role of Markovian and time-invariant st
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::641d65154d2072e9cde08b4ad7a77781
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7
Akademický článek
Double Reinforcement Learning for Efficient Off-Policy Evaluation in Markov Decision Processes.
Autor: Kallus, Nathan1 KALLUS@CORNELL.EDU, Masatoshi Uehara2 MU223@CORNELL.EDU
Publikováno v: Journal of Machine Learning Research. 2020, Vol. 21 Issue 146-188, p1-63. 63p.
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9
Methylation of a Benzene Ring as a Chemical Signal. Marked Changes in the Pattern of Temperature Dependence of the Selectivity in Oxidation of a Pair of Associating Thiols
Autor: Kunio Nikki, Hidetoshi Tasai, Shinichi Kamei, Tadashi Endo, Akihiro Okubo, Naoya Nakagawa, Yuji Kaneko, Akiyoshi Sato, Masatoshi Uehara
Publikováno v: Bulletin of the Chemical Society of Japan. 55:2224-2232
Temperature dependence of the selectivity [the ratio of an unsymmetrical disulfide to symmetrical one] has been studied in oxidation of a pair of associating thiols, each with the recognition site [C6H4N(CH3)2 and R1], with O2 in 80% (v/v) acetonitri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::277b1288076dec45e745fe4ada580774
https://doi.org/10.1246/bcsj.55.2224
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10
Correlation between selectivity in photochemical cross-cycloaddition and ionization potential of the reacting olefins
Autor: Masatoshi Uehara, Tomoji Murata, Tatsuzo Ishigami, Tadashi Endo
Publikováno v: Journal of the Chemical Society, Chemical Communications. :786
The selectivity (the ratio of crossadducts to homodimers) in the photochemical [2 + 2] cross-cyclo-addition of a 1 : 1 mixture of several series of (E)-olefins (1) and methyl p-nitro-(E)-cinnamate (2) was found to increase regularly with decreasing i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34ab35623ac9de10960cfeb0bd543fae
https://doi.org/10.1039/c39780000786
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