14,345 research outputs found
Lopeman, Kevin Max, 51647492
No full textThis record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/400026Surname: LOPEMAN. Given Name(s) or Initials: KEVIN MAX. Military Service Number or Last Known Location: 51647492. Missing, Wounded and Prisoner of War Enquiry Card Index Number: SEA-4488.218297
Item: [2016.0049.32319] "Lopeman, Kevin Max, 51647492
A Transfer Report on the Development of a Framework to Evaluate Search Interfaces for their Support of Different User Types and Search Tactics
No full textAs the understanding of search systems, user needs and seeking strategies is developing, the design of search user interfaces is evolving to support more complicated and exploratory forms of search. With the design of new search features that enable these richer modes of exploration, comes the need to better understand the support they provide. In this report a new evaluation framework is presented that analyses search features for how they a) contribute to an overall interface, b) allow users to carry out different search tactics, and c) support different types of users and their needs. The novel contributions of the framework improve on some of the limitations of typical user studies, and allow search systems to be systematically analysed in much more detail and in much less time. The presented evaluation framework is then validated in three ways. First the validity of the models used as the building blocks of the framework are investigated through related work. Second the method of integrating these building-block models is validated and strengthened by consensus of expert opinion. Third, the overall approach is validated by comparing its analyses to the results of previously carried out user studies. The validation process has shown both the value of the framework and identified areas of future work that should be addressed for the framework to be completed. This report concludes with the set of contributions that the framework makes, and why the remaining work will be challenging, but critical to the final design
Beyond the Standard Theories of Fundamental Interactions
No full textOltre le Teorie Standard delle Interazioni Fondamentali.
Lo status quo della fisica fondamentale è il Modello Standard (SM) e la
Relatività Generale (GR). Mentre entrambe le teorie sono in grado di descrivere
separatamente una vasta gamma di fenomeni nel loro rispettivo
dominio di validità con elevata precisione, ci sono problemi che sorgono
solo quando le due sono accoppiate. Come esempio, si consideri il problema
della costante cosmologica, la bariogenesi o l’assenza di un candidato
di materia oscura (DM) nello SM. In questa tesi vengono presentate e discusse
diverse soluzioni. Una è la teoria di Bimetric Gravity, un’estensione
naturale della gravità massiva, una modificazione della GR che modifica
l’ipotesi di un gravitone di spin-2 senza massa. Saranno presentati risultati
sulla fenomenologia del gravitone massivo, dove analizziamo la propagazione
modificata delle onde gravitazionali e stabiliamo dei limiti competitivi sulla
massa del gravitone. Inoltre, viene studiata la storia cosmologica di Bimetric
Gravity, incorporando dati delle oscillazioni acustiche barioniche (BAO),
dei quasar, delle supernovae e della radiazione cosmica di fondo. Come teoria
concorrente, esaminiamo la Gravità Conforme, che viene sottoposta agli
stessi test cosmologici. Un approccio ortogonale alla soluzione del problema
della DM è un Settore Oscuro oltre lo SM. Motiviamo e presentiamo
un’analisi dettagliata della fisica dei Settori Oscuri, che obbediscono
ad un’invarianza approssimativa di scala. Utilizzando tecniche di teoria di
campo efficace e proprietà degli operatori fissate dalla simmetria conforme,
siamo in grado di porre dei limiti indipendenti dal modello su una classe
di Settori Oscuri. La loro fenomenologia è testata con una vasta gamma di
osservazioni terrestri e celesti.Beyond the Standard Theories of Fundamental Interactions.
The status quo of fundamental physics is the Standard Model (SM) of particle
physics and General Relativity (GR). While both theories separately
are able to describe a wide range of phenomena in their respective domain
to high accuracy, there are problems which arise solely when the two are
coupled. Examples include the cosmological constant problem, baryogenesis
or the absence of a suitable dark matter (DM) candidate in the SM.
In this thesis, several solutions are presented and discussed. One is Bimetric
Gravity, a modification of GR which breaks the assumption that one
single, massless spin-2 object acts as its force carrier. Original results are
presented on the phenomenology of the massive graviton, where we analyse
the modified propagation of gravitational waves and set competitive bounds
on the graviton mass. Furthermore, the cosmological history of the model is
investigated, incorporating data from baryon acoustic oscillations, quasars,
supernovae and the cosmic microwave background. As a competing theory,
we review Conformal Gravity, which is put to the same cosmological tests.
A complementary approach to the solution of the DM problem is a Dark
Sector beyond the SM. We motivate and present a detailed analysis of the
physics of Dark Sectors, which obey an approximate scale invariance. Using
effective field theory techniques and properties of operators fixed by conformal
symmetry, we are able to put model-independent bounds on a class
of Dark Sectors. Their phenomenology is tested against a large array of
terrestrial and celestial observations
Enseñanza de la escritura de Max Aub: comprensión y memoria
No full textEste texto analiza a obra testimonial de Max Aub sobre su experiencia en los campos de concentración en Francia desde una perspectiva de discursos comparados. Para destacar las estrategias de la escritura del autor recuperables por otros proyectos discursivos que persigan la sensibilización y la denuncia a través del cruce entre la comunicación y la éticaThis text analyses the testimonial work of Max Aub about his experience in the French concentration camps in France from comparative discourses approach. It emphasizes the writing strategies used by the author useful for other awareness and denounce discourses through the dialogue among communication and ethic
A frequent max substring technique for Thai text indexing
No full textThis research details the development of a novel methodology, called the frequent max substring technique, for extracting indexing terms and constructing an index for Thai text documents.
With the rapidly increasing number of Thai digital documents available in digital media and websites, it is important to find an efficient Thai text indexing technique to facilitate search and retrieval. An efficient index would speed up the response time and improve the accessibility of the documents. Up to now, not much research in Thai text indexing has been conducted as compared to more commonly used languages like English. The more commonly used Thai text indexing technique is the word inverted index, which is language-dependent (i.e. requires linguistic knowledge). This technique creates word document indices on document collection to enable an efficient keyword based search. However, when using the word inverted index technique, Thai text documents need to be parsed and tokenized into individual words first. Therefore, one of the main issues is how to automatically identify the indexing terms from the Thai text documents before constructing the index. This is because the syntax of Thai language is highly ambiguous and Thai language is non-segmented (i.e. a text document is written continuously as a sequence of characters without explicit word boundary delimiters). To index Thai text documents, most language-dependent indexing techniques have to rely on the performance of a word segmentation approach in order to extract the indexing terms before constructing the index. However, word segmentation is time consuming and segmentation accuracy is heavily dependent either on the linguistic knowledge used in the underlying segmentation algorithms, or on the dictionary or corpus used in the segmentation. It is for this reason that most language dependent indexing techniques are time consuming and require additional storage space for storing dictionary or corpus or manually crafted rules resource.
Apart from the language dependant indexing techniques, some language-independent techniques have been proposed as an alternative indexing technique for Thai language such as the n-gram inverted index and suffix array approaches. These approaches are simple and fast as they are language-independent, and do not require linguistic knowledge of the language, or the use of a dictionary or a corpus. However, the limitation of these techniques is that they require more storage space for extracting the indexing terms and constructing the index.
To address the above limitations, this thesis has developed a frequent max substring technique that uses language-independent text representation, which is computationally efficient and requires small storage place. The frequent max substring technique improves the performance in terms of construction time over the language-dependent techniques (i.e. the word inverted index) as this technique does not require text pre-processing tasks (i.e. word segmentation) in extracting the indexing terms before indexing can be performed. This technique also improves space efficiency compared to some existing language-independent techniques. This is achieved by retaining only the frequent max substrings, which are strings that are both long and frequently occurring, in order to reduce the number of insignificant indexing terms from an index.
To demonstrate that the frequent max substring technique could deliver its performance, experimental studies and comparison results on indexing Thai text documents are presented in this thesis. The technique was evaluated and compared in term of indexing efficiency and retrieval performance. The results show that the frequent max substring technique is more computationally efficient when compared to the word inverted index, and also that it requires less space for indexing when compared to some language independent techniques.
Additionally, this thesis shows that the frequent max substring technique has an advantage in terms of versatility, as it can also be combined with other Thai language dependent techniques to become a novel hybrid language-dependent technique, in order to further improve the indexing quality. This technique can also be used with a neural network to enhance non-segmented document clustering. The frequent max substring technique also has the flexibility to be applied to other non-segmented texts like the Chinese language and genome sequences in bioinformatics due to its language independency feature
Evaluation of carbon isotope fractionation during anaerobic reductive dehalogenation of chlorinated and brominated benzenes
No full textCompound specific stable isotope analysis (CSIA) has been established as a useful tool to evaluate in situ biodegradation. Here, CSIA was used to determine microbial dehalogenation of chloro- and bromobenzenes in microcosms derived from Hackensack River sediments. Gas chromatography-isotope ratio mass spectrometry (GC-IRMS) was used to measure carbon isotope fractionation during reductive dehalogenation of hexachlorobenzene (HCB), pentachlorobenzene (PeCB), 1,2,3,5-tetrachlorobenzene (TeCB), 1,2,3,5-tetrabromobenzene (TeBB), and 1,3,5-tribromobenzene (TriBB). Strong evidence of isotope fractionation coupled to dehalogenation was not observed in the substrate, possibly due to the low solubilities of the highly halogenated benzene substrates and a dilution of the isotope signal. Nonetheless, we could measure a depletion of the δ13C value in the dichlorobenzene product during dechlorination of HCB, the sequential depletion and enrichment of δ13C value for trichlorobenzene in TeCB dechlorinating cultures, and the enrichment of δ13C during debromination of TriBB. This indicates that a measurable isotope fractionation occurred during reductive dehalogenation of highly halogenated chloro- and bromobenzenes in aquatic sediments. Thus, although more quantitative measurements will be needed, the data suggests that CSIA may have application for monitoring in situ microbial reductive dehalogenation of highly halogenated benzenes.Peer reviewe
Max Brooks literary reading flier
No full text2012 Bismarck State College Visiting Writers Series and ArtsQuest present: Max Brooks. April 25, 7:30 p.m.; Belle Mehus Auditorium. Max Brooks is the author of World War Z: An Oral History of the Zombie War and the graphic novel The Zombie Survival Guide: Recorded Attacks
Max Frisch's novel: Stiller. A study
No full text The attempt is made in the following study to present an interpretation of the novel "Stiller" by the Swiss author, Max Frisch, by tracing through the novel the dominant themes of the graven-image or 'Bildnis' and that of the problem of freedom with reference to the novel's main character. ThesisMaster of Arts (MA
Max Kade Institute Friends Newsletter, Vol. 13, no. 2, Summer 2004
No full textQuarterly Newsletter of the Max Kade Institute for German-American Studies, University of Wisconsin-MadisonContents: "Barns the Focus of Friends Dinner" --- "New Co-Director Joins the Max Kade Staff" --- "Tales of Contact and Change: Traditional Stories of Immigration" --- "Friends Profile: Newest Friends Board Member Has Ties to Goethe House," by Eric Platt --- "Director's Corner: MKI Staff Stays Busy with Digitization, Outreach," by Mark L. Louden --- "Thank You Fran! Welcome, Ed!" by Antje Petty --- "Pommerscher Verein Group Hears the Story of How Dialect Tapes Were Rescued and Preserved," by Linda Wiederhoeft --- "Collection Feature: Poems of Gemutlichkeit, Chuckles, and Umlauts--The Work of Kurt M. Stein," by Kevin Kurdylo --- "Excerpt of War Letter from a Turner Civil War Soldier to Family in Germany," by Adolph Ahrens (1861)
The subzero microbiome: Microbial activity in frozen and thawing soils
No full textMost of the Earth's biosphere is characterized by low temperatures (<5 °C) and cold-adapted microorganisms are widespread. These psychrophiles have evolved a complex range of adaptations of all cellular constituents to counteract the potentially deleterious effects of low kinetic energy environments and the freezing of water. Microbial life continues into the subzero temperature range, and this activity contributes to carbon and nitrogen flux in and out of ecosystems, ultimately affecting global processes. Microbial responses to climate warming and in particular, thawing of frozen soils are not yet well understood although the threat of microbial contribution to positive feedback of carbon flux is substantial. To date, several studies have examined microbial community dynamics in frozen soils and permafrost due to changing environmental conditions, and some have undertaken the complicated task of characterizing microbial functional groups and how their activity changes with changing conditions, either in situ or by isolating and characterizing macromolecules. With increasing temperature and wetter conditions microbial activity of key microbes and subsequent efflux of greenhouse gases also increase. In this review, we aim to provide an overview of microbial activity in seasonally frozen soils and permafrost. With a more detailed understanding of the microbiological activities in these vulnerable soil ecosystems, we can begin to predict and model future expectations for carbon release and climate change.Peer reviewe
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