نتایج جستجو برای: various indices

تعداد نتایج: 843353  

Journal: :Journal of Applied Remote Sensing 2022

Algal blooms are pervasive in many freshwater environments and can pose risks to the health safety of humans other organisms. However, monitoring tracking potentially harmful often relies on in-person observations by public. Remote sensing has proven useful augmenting situ algal concentration, but hurdles hinder efficient application end users. First, numerous approaches estimate aquatic chloro...

1996
J. B. Moore

The derivation of performance indices for both optimal and suboptimal linear tracking systems is organised so that the expressions for the indices consist of terms that may be calculated from the system input and its parameters and which represent separately various identifiable components of the overall cost. The derivation of the performance index for optimal linear tracking systems is necess...

Journal: :Journal of Ethnobiology and Ethnomedicine 2006
Victoria Reyes-García Vincent Vadez Susan Tanner Thomas McDade Tomás Huanca William R Leonard

BACKGROUND New quantitative methods to collect and analyze data have produced novel findings in ethnobiology. A common application of quantitative methods in ethnobiology is to assess the traditional ecological knowledge of individuals. Few studies have addressed reliability of indices of traditional ecological knowledge constructed with different quantitative methods. METHODS We assessed the...

Journal: :PVLDB 2014
Nikos Ntarmos Ioannis Patlakas Peter Triantafillou

Rank (i.e., top-k) join queries play a key role in modern analytics tasks. However, despite their importance and unlike centralized settings, they have been completely overlooked in cloud NoSQL settings. We attempt to fill this gap: We contribute a suite of solutions and study their performance comprehensively. Baseline solutions are offered using SQLlike languages (like Hive and Pig), based on...

Journal: :Interactive Learning Environments 2011
Tarmo Toikkanen Lasse Lipponen

Studying networked learning (NL) by applying social network analysis (SNA), has gained popularity in recent years. However, it appears that in the context of networked learning the choice of SNA indices is very often dictated by using easily achievable SNA tools. Most studies in this field only involve a single group of students and utilize simple indices, such as density and Freeman's degree c...

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