title: Radiometric field work and remote sensing using satellite data

authors: Chalmers, Lex

abstract: There has been a marked growth in the number of spacecraft and airborne sensors since 1972, the date of the launching of the first satellite developed to monitor Earth's resources (LANDSAT). As a consequence, geographers interested in remote Sensing in New Zealand have had a widening range of data sources available to them. Geographers first expressed interest in monitoring ground cover using I.ANDSAT series data, but interest in remote sensing data has widened to include work on marine environments, structural geology, urban areas and soil survey. As Curran (1984) indicates, the development and use of thermal and microwave sensors is likely to rapidly extend the uses of remote sensing. In New Zealand, the growth in the number of stored data bases plus the increased sophistication of digital computer analysis (both dominated by the national centre, The Remote Sensing Section. DS1R) is encouraging. However, it is a matter of some concern that there does not seem to be a parallel growth in the radiometric field work required to reconcile sensor data with field information. This note examines some of the reasons which have led to this problem, stresses the importance of radiometric ground truth and describes a method of collecting radiometric data which is in operation at the University of Waikato.

text: Radiometric field work and remote sensing using satellite data There has been a marked growth in the number of spacecraft and airborne sensors since 1972, the date of the launching of the first satellite developed to monitor Earth's resources (LANDSAT). As a consequence, geographers interested in remote Sensing in New Zealand have had a widening range of data sources available to them. Geographers first expressed interest in monitoring ground cover using I.ANDSAT series data, but interest in remote sensing data has widened to include work on marine environments, structural geology, urban areas and soil survey. As Curran (1984) indicates, the development and use of thermal and microwave sensors is likely to rapidly extend the uses of remote sensing. In New Zealand, the growth in the number of stored data bases plus the increased sophistication of digital computer analysis (both dominated by the national centre, The Remote Sensing Section. DS1R) is encouraging. However, it is a matter of some concern that there does not seem to be a parallel growth in the radiometric field work required to reconcile sensor data with field information. This note examines some of the reasons which have led to this problem, stresses the importance of radiometric ground truth and describes a method of collecting radiometric data which is in operation at the University of Waikato.

year: 1985-10

title: Adaptive text mining: Inferring structure from sequences

authors: Witten, Ian H.

subjects: computer science

abstract: Text mining is about inferring structure from sequences representing natural language text, and may be defined as the process of analyzing text to extract information that is useful for particular purposes. Although hand-crafted heuristics are a common practical approach for extracting information from text, a general, and generalizable, approach requires adaptive techniques. This paper studies the way in which the adaptive techniques used in text compression can be applied to text mining. It develops several examples: extraction of hierarchical phrase structures from text, identification of keyphrases in documents, locating proper names and quantities of interest in a piece of text, text categorization, word segmentation, acronym extraction, and structure recognition. We conclude that compression forms a sound unifying principle that allows many text mining problems to be tacked adaptively.

text: Adaptive text mining: Inferring structure from sequences Text mining is about inferring structure from sequences representing natural language text, and may be defined as the process of analyzing text to extract information that is useful for particular purposes. Although hand-crafted heuristics are a common practical approach for extracting information from text, a general, and generalizable, approach requires adaptive techniques. This paper studies the way in which the adaptive techniques used in text compression can be applied to text mining. It develops several examples: extraction of hierarchical phrase structures from text, identification of keyphrases in documents, locating proper names and quantities of interest in a piece of text, text categorization, word segmentation, acronym extraction, and structure recognition. We conclude that compression forms a sound unifying principle that allows many text mining problems to be tacked adaptively.

year: 2004

title: Kia mau ki tō Māoritanga - The role of Māori teachers in English medium primary schools

authors: Coffin, Rachel Marie

subjects: Māori  teachers

abstract: The achievement levels between Māori and non-Māori students remains increasingly wide within a westernised education system. This system has continued to perpetuate the ongoing failure of Māori students. We need to look at ways in which Māori students can best be supported in English medium education settings as these are where the majority of Māori students receive their schooling, and how we can close the gap between Māori and non-Māori achievement. 

Māori teachers are a minority group within English medium education and their potential to raise Māori student achievement is often overlooked (Lee, 2009). This thesis used a case study approach framed by kaupapa Māori methodology to examine how one primary school, whose Māori students are achieving at similar levels to their non-Māori peers, utilises Māori staff to enhance the cultural pedagogy of the school and how this contributes to the success of Māori students.

The literature review takes an historic look at Māori within a westernised education system and looks at how Māori underachievement is not a recent occurrence but an ongoing issue, dating back over one hundred years.  It draws on international literature around the experiences of other indigenous peoples who have experienced colonisation, and highlights the similar struggles that they have had, and continue to have as minority students. 

The literature review also looks at the ways in which indigenous peoples are working to lift indigenous achievement and the role of indigenous teachers in supporting this process. It looks at the role that culture plays in the belief of indigenous peoples in their own ability to succeed, which is referred to in this thesis as self-efficacy (Bandura, 1997, Schunk, 1986).

In contrast to this  students with low self-efficacy will typically avoid difficult tasks in order to minimize risk to self-worth and protect self-esteem (McRae et al., 2010). 

The findings indicate that Māori teachers at Te Kauri School have some level of proficiency in tikanga and te reo Māori and that this plays a vital role in the schools ability to create a culturally responsive learning environment. The Māori staff have the support of the school leadership team, which promotes and values the inclusion of tikanga and te reo Māori. 

This culturally responsive environment instils in Māori students at Te Kauri School a sense of pride in who they are as culturally located beings. This pride means that they do not feel pressure to conform to the ways of the dominant culture, rather that they are able to be Māori. This also corresponds with achievement data for the school, which shows that Māori achievement levels are at similar levels to that of non-Māori students, and in some year and gender levels above. 

The findings indicate that the relationship between Māori whānau (families) and the school is vital in creating a supportive environment and that Māori teachers are especially valuable in this process. Having cultural practices such as kapa haka, waiata and karakia give Māori whānau a connection to the school and provide them with an opportunity to support not only their children but also the school community. 

The findings also indicate that Māori staff and whānau participants view Māori teachers as role models and that having Māori role models within the school adds to Māori student’s sense of pride in being Māori, thus enhancing their self-efficacy and success.

text: Kia mau ki tō Māoritanga - The role of Māori teachers in English medium primary schools The achievement levels between Māori and non-Māori students remains increasingly wide within a westernised education system. This system has continued to perpetuate the ongoing failure of Māori students. We need to look at ways in which Māori students can best be supported in English medium education settings as these are where the majority of Māori students receive their schooling, and how we can close the gap between Māori and non-Māori achievement. 

Māori teachers are a minority group within English medium education and their potential to raise Māori student achievement is often overlooked (Lee, 2009). This thesis used a case study approach framed by kaupapa Māori methodology to examine how one primary school, whose Māori students are achieving at similar levels to their non-Māori peers, utilises Māori staff to enhance the cultural pedagogy of the school and how this contributes to the success of Māori students.

The literature review takes an historic look at Māori within a westernised education system and looks at how Māori underachievement is not a recent occurrence but an ongoing issue, dating back over one hundred years.  It draws on international literature around the experiences of other indigenous peoples who have experienced colonisation, and highlights the similar struggles that they have had, and continue to have as minority students. 

The literature review also looks at the ways in which indigenous peoples are working to lift indigenous achievement and the role of indigenous teachers in supporting this process. It looks at the role that culture plays in the belief of indigenous peoples in their own ability to succeed, which is referred to in this thesis as self-efficacy (Bandura, 1997, Schunk, 1986).

In contrast to this  students with low self-efficacy will typically avoid difficult tasks in order to minimize risk to self-worth and protect self-esteem (McRae et al., 2010). 

The findings indicate that Māori teachers at Te Kauri School have some level of proficiency in tikanga and te reo Māori and that this plays a vital role in the schools ability to create a culturally responsive learning environment. The Māori staff have the support of the school leadership team, which promotes and values the inclusion of tikanga and te reo Māori. 

This culturally responsive environment instils in Māori students at Te Kauri School a sense of pride in who they are as culturally located beings. This pride means that they do not feel pressure to conform to the ways of the dominant culture, rather that they are able to be Māori. This also corresponds with achievement data for the school, which shows that Māori achievement levels are at similar levels to that of non-Māori students, and in some year and gender levels above. 

The findings indicate that the relationship between Māori whānau (families) and the school is vital in creating a supportive environment and that Māori teachers are especially valuable in this process. Having cultural practices such as kapa haka, waiata and karakia give Māori whānau a connection to the school and provide them with an opportunity to support not only their children but also the school community. 

The findings also indicate that Māori staff and whānau participants view Māori teachers as role models and that having Māori role models within the school adds to Māori student’s sense of pride in being Māori, thus enhancing their self-efficacy and success.

year: 2013