Results 101 to 110 of about 4,916,456 (267)

Autonomous Generation of Sub-goals for Lifelong Learning in Robots [PDF]

open access: yesarXiv
One of the challenges of open-ended learning in robots is the need to autonomously discover goals and learn skills to achieve them. However, when in lifelong learning settings, it is always desirable to generate sub-goals with their associated skills, without relying on explicit reward, as steppingstones to a goal.
arxiv  

Performance of Ground-Based Solar-Induced Chlorophyll Fluorescence Retrieval Algorithms at the Water Vapor Absorption Band

open access: yesSensors
Solar-induced chlorophyll fluorescence (SIF) is essential for monitoring vegetation photosynthesis. The water vapor absorption band, the broadest absorption window, has a deeper absorption line than the O2-B band, providing significant potential for SIF ...
Yongqi Zhang   +5 more
doaj   +1 more source

Physics Goals of the Next Century @ CERN

open access: yes, 2000
After recalling briefly the main physics issues beyond the Standard Model, the main physics objectives of experiments at CERN in the coming decade(s) are reviewed.
Ellis, John
core   +1 more source

Improved indicators for the integrated assessment of coastal sustainable development based on Earth Observation Data

open access: yesInternational Journal of Digital Earth
Target 14 of the Sustainable Development Goals (SDG 14) depicts a better future regarding the capacity of coastal environments to cope with several developmental challenges.
Li Zhang   +8 more
doaj   +1 more source

Groundwater and the Sustainable Development Goals (SDGs) [PDF]

open access: yes, 2018
Groundwater is an important part of the water cycle, but this don’t reflects at all in the indicators for the Sustainable Development Goals (SDGs) of the United Nations (UN).
Chambel, António
core  

A tale of two goals: leveraging sequentiality in multi-goal scenarios [PDF]

open access: yesarXiv
Several hierarchical reinforcement learning methods leverage planning to create a graph or sequences of intermediate goals, guiding a lower-level goal-conditioned (GC) policy to reach some final goals. The low-level policy is typically conditioned on the current goal, with the aim of reaching it as quickly as possible.
arxiv  

Individual Tree Crown Delineation Using Airborne LiDAR Data and Aerial Imagery in the Taiga–Tundra Ecotone

open access: yesRemote Sensing
The circumpolar Taiga–Tundra Ecotone significantly influences the feedback mechanism of global climate change. Achieving large-scale individual tree crown (ITC) extraction in the transition zone is crucial for estimating vegetation biomass in the ...
Yuanyuan Lin   +4 more
doaj   +1 more source

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