Results 41 to 50 of about 15,357,394 (325)

Quantifying and Evaluating the Cultivated Areas Suitable for Fallow in Chongqing of China Using Multisource Data

open access: yesLand, 2021
The quantitative evaluation of the suitability of land fallow is of great significance to the effective implementation of fallow system in rural China.
Yuanqing Li   +3 more
doaj   +1 more source

Suitability evaluation of underground space development in coal mining cities in Henan province

open access: yes矿业科学学报, 2023
This study proposes to evaluate the suitability of underground space development and utilization in coal mining cities, with the aim to promote reasonable utilization of underground space left behind after the closure of coal mines and avoid resource ...
Shi Beining, Xiang Zhonglin
doaj   +1 more source

Clustering Analysis of Integrated Rural Land for Three Industries Using Deep Learning and Artificial Intelligence

open access: yesIEEE Access, 2023
This study employs deep learning and artificial intelligence (AI) clustering analysis techniques to evaluate the suitability of integrated rural land for three industries.
Qian Huang, Haibin Xia, Zhancheng Zhang
doaj   +1 more source

PRES: A score metric for evaluating recall-oriented information retrieval applications [PDF]

open access: yes, 2010
Information retrieval (IR) evaluation scores are generally designed to measure the effectiveness with which relevant documents are identified and retrieved. Many scores have been proposed for this purpose over the years. These have primarily focused on
Jones, Gareth J.F., Magdy, Walid
core   +2 more sources

A set pair analysis model for suitability evaluation of human settlement environment

open access: yes, 2021
The human settlement environment is a dynamic subsystem where people live and produce in the social system. This paper aims at evaluating comprehensively the suitability state of a given human settlement environment in a certain time and space and its ...
Wei-Qi Xiang, Xiaohua Yang, Yuqi Li
semanticscholar   +1 more source

Geochemical evaluation of groundwater and suitability of groundwater quality for irrigation purpose in an agricultural region of South India

open access: yesApplied Water Science, 2022
The objective of the present study was to evaluate the geochemical processes controlling the groundwater chemistry and also to assess the groundwater quality suitability criteria for irrigation purposes.
Sakram Gugulothu   +3 more
semanticscholar   +1 more source

Evaluation of shallow geothermal energy resources in the Beijing-Tianjin-Hebei Plain based on land use

open access: yesJournal of Groundwater Science and Engineering, 2021
To discover the characteristics, distribution and potential of shallow geothermal energy in the Beijing-Tianjin-Hebei Plain area. This paper, based on a large amount of data collection and field investigations, evaluateed the shallow-layer geothermal ...
Ruo-xi Yuan   +5 more
doaj   +1 more source

Creation of citrus suitability evaluation system supported by CIS

open access: yes浙江大学学报. 农业与生命科学版, 2002
Suitability evaluation is essential and first step of developing citrus production. Based on GIS data base, a computer-running system was established to judge the suitability of planting area liking human expert.
SHI Zhou   +3 more
doaj   +1 more source

An Axiomatic Analysis of Diversity Evaluation Metrics: Introducing the Rank-Biased Utility Metric

open access: yes, 2018
Many evaluation metrics have been defined to evaluate the effectiveness ad-hoc retrieval and search result diversification systems. However, it is often unclear which evaluation metric should be used to analyze the performance of retrieval systems given ...
Alistair Moffat   +4 more
core   +1 more source

Evaluation of suitability of CO2 geologic storage in deep saline aquifers in Lindian area of Songliao Basin

open access: yesShuiwen dizhi gongcheng dizhi
Carbon dioxide (CO2) geological storage is one of the most direct and effective measures to alleviate the greenhouse effect under the current technical conditions. Deep saline aquifers and cap beds are widely distributed in Lindian, Heilongjiang Province,
Yongfa MA   +13 more
doaj   +1 more source

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