Christoph Koch – författare
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44 produkter
44 produkter
Häftad, Engelska, 2011
394 kr
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Probabilistic databases are databases where the value of some attributes or the presence of some records are uncertain and known only with some probability. Applications in many areas such as information extraction, RFID and scientific data management, data cleaning, data integration, and financial risk assessment produce large volumes of uncertain data, which are best modeled and processed by a probabilistic database. This book presents the state of the art in representation formalisms and query processing techniques for probabilistic data. It starts by discussing the basic principles for representing large probabilistic databases, by decomposing them into tuple-independent tables, block-independent-disjoint tables, or U-databases. Then it discusses two classes of techniques for query evaluation on probabilistic databases. In extensional query evaluation, the entire probabilistic inference can be pushed into the database engine and, therefore, processed as effectively as the evaluation of standard SQL queries. The relational queries that can be evaluated this way are called safe queries. In intensional query evaluation, the probabilistic inference is performed over a propositional formula called lineage expression: every relational query can be evaluated this way, but the data complexity dramatically depends on the query being evaluated, and can be #P-hard. The book also discusses some advanced topics in probabilistic data management such as top-k query processing, sequential probabilistic databases, indexing and materialized views, and Monte Carlo databases. Table of Contents: Overview / Data and Query Model / The Query Evaluation Problem / Extensional Query Evaluation / Intensional Query Evaluation / Advanced Techniques
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Probabilistic databases are databases where the value of some attributes or the presence of some records are uncertain and known only with some probability. Applications in many areas such as information extraction, RFID and scientific data management, data cleaning, data integration, and financial risk assessment produce large volumes of uncertain data, which are best modeled and processed by a probabilistic database. This book presents the state of the art in representation formalisms and query processing techniques for probabilistic data. It starts by discussing the basic principles for representing large probabilistic databases, by decomposing them into tuple-independent tables, block-independent-disjoint tables, or U-databases. Then it discusses two classes of techniques for query evaluation on probabilistic databases. In extensional query evaluation, the entire probabilistic inference can be pushed into the database engine and, therefore, processed as effectively as the evaluation of standard SQL queries. The relational queries that can be evaluated this way are called safe queries. In intensional query evaluation, the probabilistic inference is performed over a propositional formula called lineage expression: every relational query can be evaluated this way, but the data complexity dramatically depends on the query being evaluated, and can be #P-hard. The book also discusses some advanced topics in probabilistic data management such as top-k query processing, sequential probabilistic databases, indexing and materialized views, and Monte Carlo databases. Table of Contents: Overview / Data and Query Model / The Query Evaluation Problem / Extensional Query Evaluation / Intensional Query Evaluation / Advanced Techniques
Del 383 - Beihefte Zur Zeitschrift Für die Alttestamentliche Wissensch
Vertrag, Treueid und Bund
Inbunden, Tyska, 2008
2 842 kr
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Die Vorstellung, der Gott Jahwe habe unter Mose mit seinem Volk Israel einen "Bund" bzw. "Vertrag" geschlossen, spielt im Alten Testament eine prominente Rolle. Zahlreiche formale und inhaltliche Parallelen zwischen altorientalischen Vasallenverträgen und Treueiden auf der einen und dem Buch Deuteronomium auf der anderen Seite machen es wahrscheinlich, dass politische Vertragstexte den theologischen Anstoß und die literarische Vorlage für die biblische Bundestheologie gebildet haben. Wie genau das Verhältnis zwischen Bundestheologie und altorientalischem Vertragsrecht zu bestimmen ist, ist freilich in der gegenwärtigen Forschung höchst umstritten. Die vorliegende Untersuchung versucht, vor dem Hintergrund des derzeit verfügbaren altorientalischen und biblischen Quellenmaterials den komplizierten Weg eines politischen Herrschaftsinstruments des Alten Orients ins Alte Testament nachzuzeichnen. Dabei sind die folgenden Fragestellungen leitend: 1. Woher stammen die in den bundestheologischen Texten rezipierten vertragsrechtlichen Traditionen? 2. Wann ist die Bundestheologie ausgebildet worden? 3. Wie könnte der Rezeptionsprozess verlaufen sein, an dessen Ende die Bundestheologie stand?
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Tyska, 2018113 kr
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Im Urlaub wohnen, essen und feiern, wo es auch die Einheimischen tun; mitten ins Leben eintauchen statt in gesichtslosen Hotels oder Touristenressorts unter sich zu bleiben. Als Haus- oder Wohnungstauscher landet man dort, wo sich der Alltag abspielt: in echten Wohngegenden, mit Nachbarn am Gartenzaun und Lieblingscafé an der Ecke. Seit Jahren gehen Jessica Braun und Christoph Koch auf Reisen, indem sie mit vorher völlig Fremden die Wohnung tauschen. Mal für ein Wochenende, manchmal aber auch für mehrere Monate. Natürlich waren auch die Autoren anfangs skeptisch: Wollten sie wirklich, dass andere in ihrem Bett schliefen? In diesem Buch teilen die beiden ihre durchweg positiven Erlebnisse und beantworten zahlreiche Fragen zur richtigen Vorbereitung, dem Umgang mit Vertrauen, Verantwortung und Privatsphäre. Ein inspirierendes Buch, das Lust auf eine neue Art des Reisens macht.
Häftad, Engelska, 2005
559 kr
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The10thInternationalSymposiumonDatabaseProgrammingLanguages,DBPL 2005, was held in Trondheim, Norway in August 2005. DBPL 2005 was one of 11 meetings to be co-located with VLDB (the International Conference on Very Large Data Bases). DBPLcontinuesto presentthe verybest workat the intersectionofdatabase andprogramminglanguageresearch. DBPL2005accepted17papersout ofa- talof 63submissions;anacceptancerateof27%. Everysubmissionwasreviewed by at least three members of the program committee. In addition, the program committeesoughtthe opinionsof51additionalreferees,selectedbecauseoftheir expertise on particular topics. The ?nal selection of papers was made during the last week of June. All authors of accepted papers submitted corrected versions, which werecollected in aninformalproceedings anddistributed to the attendees of DBPL 2005. As is traditional for DBPL, this volume was produced after the meeting and authors were able to make improvements to their papers following discussions and feedback at the meeting.The invited lecture at DBPL 2005 was given by Giuseppe Castagna en- tled "Patterns and Types for Querying XML Documents"; an extended version of the lecture appears in this volume. Given the topic of this invited lecture, we invited all attendees of the Third International XML Database Symposium (XSym 2005), also co-located with VLDB, to attend. Continuing this colla- ration, we organized with the co-chairs of XSym 2005 a shared panel session to close both meetings. The invited panel discussed "Whither XML, c. 2005?" and consisted of experts on various aspects of XML: Gavin Bierman (Microsoft Research), Peter Buneman (University of Edinburgh), Dana Florescu (Oracle), H. V.
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33 Alternativen zur Welt, wie wir sie kennen- Was wäre, wenn es kein Bargeld mehr gäbe?- Was wäre, wenn niemand mehr Fleisch äße?- Was wäre, wenn in Deutschland einen Monat lang der Strom ausfiele?- Was wäre, wenn alle Grenzen offen wären?- Was wäre, wenn es nur noch Elektroautos gäbe?- Was wäre, wenn Bayern sich von Deutschland abspaltete?- Was wäre, wenn wir alle nur noch 20 Stunden arbeiteten?- ...33 Szenarien. 33 Entwürfe einer alternativen Welt. Christoph Koch hat Expertinnen und Experten befragt und zahllose wissenschaftliche Studien zu Rate gezogen, um Antworten auf Fragen zu finden, die Sie garantiert noch nie zu Ende gedacht haben. Und dabei fördert er Erstaunliches zutage: Oder hätten Sie gewusst, dass in einer Welt voller Elektroautos weniger Zigaretten verkauft würden? Dass Kopfsalat eine schlechtere Klimabilanz hat als Schweinebauch? Oder dass der weltweite Wohlstand massiv ansteigen würde, wenn alle Grenzen offen wären? Was wäre, wenn … lädt Sie ein, die Welt neu zu denken. Ohne ins wilde Spekulieren zu geraten, gibt Christoph Koch verblüffende Antworten auf 33 hypothetische Fragen. Ein kurzweiliges Lesevergnügen voller origineller Einfälle!
Häftad, Tyska, 2021
170 kr
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Inbunden, Tyska, 2015
1 010 kr
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Inbunden, Engelska, 2015
881 kr
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Der Sammelband gibt eine Antwort auf die in Politik und Wissenschaft verbreitete Totalitarismustheorie, die den deutsch-sowjetischen Nichtangriffsvertrag vom 23.8.1939 als Verständigung zweier wesensverwandter Diktaturen über die Aufteilung Europas und der Welt interpretiert. Die Beiträge erhellen den tatsächlichen Charakter des Vertrags, die deutschen und die sowjetischen Motive für seinen Abschluss sowie seine Bedeutung für die militärische Niederringung des Dritten Reiches und damit für die europäische Nachkriegsordnung. Besondere Aufmerksamkeit gilt dabei dem Scheitern der sowjetischen Bemühungen um die Schaffung einer britisch-französisch-sowjetischen Allianz gegen die Achsenmächte und den Auswirkungen des Vertrages auf die Organisationen des antifaschistischen Widerstands.
Inbunden, Tyska, 2017
1 019 kr
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E-bok
PDF, Engelska, 200283 kr
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Seminar paper from the year 1998 in the subject Communications - Movies and Television, grade: 1 (A), Ohio University (School of Telecommunication), course: Broadcast & Cable Programming, language: English, abstract: If there was one show in the last year almost everybody talked about, it was certainly Fox Network's new series "e;Ally McBeal"e;. The show tells the story of a young woman working for a Boston law firm, trying to be successful in the courtroom as well as in her love life, succeeding in the former rather than the latter. On her first day in the new job for example she finds out that her ex-boyfriend Billy (Gil Bellows) works there as well as his new wife, the smart and beautiful Georgia (Courtney Thorne-Smith of "e;Melrose Place"e;). Since Ally (Calista Flockhart) still has feelings for Billy, treating him and Georgia as colleagues of course isn't quite so easy and the three find themselves in a lot of awkward situations. Trying to figure out what genre Ally McBeal belongs to, is not so easy. On the first look it might appear to be a courtroom drama due to its hour-long format and trials taking place in every episode. But there is also a comedy side to Ally McBeal . Her struggle with life is shown in a humorous (often even slapstick) way and other characteristics of a comedy, like childish behavior of the protagonist or lack of experience with the other sex (Kaminsky 1985, p. 137-139) can be found as well. Although the show won two Golden Globes in the comedy categories in 1997, Ally McBeal should rather be labeled as a dramedy due to its mixture of humor and serious issues. The genre of dramedy is a combination of drama and comedy and had its (short) heyday during the 1980s when it was praised as a fresh recipe to address an upscale audience. Ally McBeal does a very good job in reviving this genre, making its audience laugh as well as reflect or even cry.
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Seminar paper from the year 1999 in the subject Communications - Movies and Television, grade: 1- (A-), Ohio University (School of Telecommunication), course: Cable Communication, language: English, abstract: This research paper deals with a cable network that could establish itself within the last 20 years from a small and unknown service to a synonym for kids' programming: NICKELODEON. The basic cable network is one of the most successful ones in the US - commercially as well as from a programming standpoint - and is also expanding into other countries all over the world. As a result of a clever branding approach the name of the network is well known to a lot of people and stands for a unique philosophy and image, which will also be discussed in this research paper. NICKELODEON is one of the biggest players (if the not the single biggest one) in the worldwide 'kidvid' market and therefor should be very interesting to analyze.
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Seminar paper from the year 1999 in the subject Communications - Movies and Television, grade: 1- (A-), Ohio University (School of Telecommunication), course: Cable Communication, language: English, abstract: In last Thursday's edition of USA Today concerned parents had no doubt about what was responsible for the High School shootings in Colorado. 49% agreed that TV, movies and music "e;have a great deal of blame"e; for the shootings (topped only by 'availability of guns' and 'parents') and 52% spoke out for "e;more restrictions on TV and movie violence"e; (USA Today 1999, p. 3A). Violence on television has been an issue for a very long time. This has different reasons: First, children (who seem to be the center of the debate most of the times) are a society's most precious good. Threatening the well-being of their children is probably the worst thing you can do to people. That's why at all times adults were afraid their children could get harmed by whatever media they were exposed to - be it comic books, early movie theaters, rock music or television. I don t want to go into great detail and talk much about research on media effects, but I think it is simplistic and dangerous to assume a direct causality between violence portrayed on television and violent behavior in real life. But tragic incidents like the shooting in Colorado last week will give a boil-up to the discussion of stronger control over violent TV programming and effective measures that can be taken to prevent children from consuming this violence. This paper deals with the technology of the so-called V-Chip and the fairly new television ratings system that were made mandatory by the Telecommunications Act of 1996. The advantages and disadvantages of these appliances will be discussed as well as cable s special role in this significant issue.
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PDF, Engelska, 2002190 kr
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Seminar paper from the year 1999 in the subject Communications - Movies and Television, grade: 1 (A), Ohio University (School of Telecommunication), course: Multicultural Broadcasting, language: English, abstract: MTV - an "e;all encompassing mediator of popular culture"e; (Goodwin, 1992) or as the Washington Post once put it "e;perhaps the most influential single cultural product of the [eighties]"e; (McGrath 1996, p. 8). A trademark that has become a synonym for modern television, fast moving pictures and even a certain lifestyle. 'MTV generation', 'MTV-like', 'I want my MTV' etc. But MTV is more than entertainment for teenagers and music with colorful pictures around it - It is not only the world's fastest growing network but also a powerful gatekeeper. Whoever makes it onto the playlist of the network can expect their CD sales to skyrocket and his concerts to be sold out. But the question is, is MTV giving everybody the same chance?This research paper deals with the question of how black people are represented in the music programming of MTV. Although MTV today features more game, quiz and celebrity shows and less music videos than it did in the 1980s, it can still be considered Music Television and has 50 different titles in rotation each week. To find out more about the representation of African-Americans on MTV, the following hypotheses will be tested:H1: The percentage of black artists on MTV s playlist has increased significantly over the last decade with a particular strong increase in the middle of the 1990s. H2: The percentage of other minorities (like Asians, Hispanics, etc.) in contrast has not increased over the last 10 years. H3: The percentage of black artists on MTV s playlist is higher in February (Black History Month) than in another random month. In the first chapters, however, MTV s history will be briefly examined as well as its role as a strong gatekeeper in the music industry. Additionally, the big controversy that took place in the early years of MTV, when several black artists protested the network s impenetrable racial barrier (Idowu 1999, p. 41) will be talked about.
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PDF, Engelska, 2002190 kr
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Seminar paper from the year 1999 in the subject Communications - Movies and Television, grade: 1- (A-), Ohio University (School of Telecommunication), course: Cable Communications, language: English, abstract: MTV - an "e;all encompassing mediator of popular culture"e; (Goodwin, 1992) or as the Washington Post once put it "e;perhaps the most influential single cultural product of the [eighties]"e; (McGrath 1996, p. 8). A trademark that has become a synonym for modern television, fast moving pictures and even a certain lifestyle. 'MTV generation', 'MTV-like', 'I want my MTV' etc. But MTV is more than entertainment for teenagers and music with colorful pictures around it It is not only the world s fastest growing network but also a powerful gatekeeper. It influenced traditional cable television and revolutionized the advertising industry. Whoever makes it onto the playlist of the network can expect his CD sales to skyrocket and his concerts to be sold out. With thousands of bands releasing hundreds of records each year, of course some kind of selection process has to take place. But who makes these decisions? What role does the record industry play? What are the criteria for a successful (and suitable) video that airs on MTV? Is MTV making its own rules or are there also pressures on the network from the outside? This paper tries to find some answers to these and other questions about the exciting and influential cable network. Its role as an powerful gatekeeper for the multi-million music industry will be examined as well as its strong influence on the content of songs and video clips. Many has been written about MTV, so finding appropriate literature wasn t really a problem, although not all of it was always up-to-date. Unfortunately I wasn t able to get in contact with some MTV executives. In the last chapter, however, an interview with radio veteran Dave Robbins from CBS Columbus can be found, who has some interesting views on the cable network. One should nonetheless bear in mind that he is more or less sitting on the other side of the table and works for the competition.
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PDF, Engelska, 2002190 kr
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Seminar paper from the year 1998 in the subject Communications - Movies and Television, grade: 1- (A-), Ohio University (School of Telecommunication), course: Broadcast & Cable Programming, language: English, abstract: A couple of months ago I had the chance to talk to the pop critic and founder of the Rolling Stone Magazine Greil Marcus doing an interview for a German radio station. When I asked him, what he thought of the recent HipHop videos, he answered, "e; In the United States MTV doesn't show many music videos anymore. They show date shows, game shows or celebrities playing volleyball on the beach shows. Videos are shown only in the middle of the night, when I can't watch them"e;. I had noticed a similar trend on MTV Europe but wasn't aware that MTV's move towards non-music programming was even more severe in the United States. Greil Marcus is certainly not the only one complaining about the lack of music in "e;Music Television"e;. Even Bart Simpson during the beginning of one episode of "e;The Simpsons"e; writes a grumpy "e;In don't want my MTV anymore"e; on the blackboard in his classroom (Stein 1997, p. 103). But what has led to the focus of MTV on non-music programming? Or is the trend even reversing and MTV is going back its roots? What about the new spin-off channels MTV started to offer in the past? This paper takes a look at the changes in MTV s programming within the last couple of years, at the new programs of this season and at the historical development of this interesting network.
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Seminar paper from the year 1999 in the subject Communications - Movies and Television, grade: 2+ (B+), Ohio University (School of Telecommunication), course: Cable Communications, language: English, abstract: It was only a very small report on the front page of last Thursday's issue of USA Today, but it indicated a tremendous change not only for America's telecommunications market, but also for its society as a whole. In a small box between headlines about the crisis in Kosovo the interested reader could find out that AT&T had announced to purchase cable giant MediaOne and that software producer Microsoft was about to invest $5 billion in AT&T shares. This huge move won't let the video distribution market unchanged and many experts believe that this merger has triggered a lot of new developments in all kinds of fields. This paper deals with the competition between traditional wired cable (as we know it since the beginnings of television) on the one hand and newer services like direct broadcast satellites (DBS) and video and data distribution via telephone lines. While the first part will mainly cover the latest developments in the telephony business (focusing on the breathtaking AT&T deal), the second part will compare the benefits of cable and DBS in detail. It lies in the nature of the subject that the playing field can change in a couple of weeks (if not even in a couple of hours). Therefor it is very important to rely on up-to-date information and literature. Especially literature from before the 1996 Telecommunications Act, which allowed cross-ownership between cable and telephony and the like, can t be considered too useful and was used only to get a historic idea of the subject matter. In doing research in this field one also has to be especially careful not to rely on sources that are heavily influenced by either the cable or the DBS lobby. Both groups naturally try to present the facts in a light that makes them look better and emphasizes the advantages of their particular system over the ones of the competition.
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PDF, Engelska, 2002190 kr
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Seminar paper from the year 1998 in the subject Communications - Movies and Television, grade: 1 (A), Ohio University (School of Telecommunication), course: New Technologies of Telecommunication, language: English, abstract: Usually one would think that an emerging new technology either fails or succeeds, since the consumers know what they want or need, and since the industry knows what is possible and what is not. But sometimes technologies keep coming back. Critics claim them dead but a few years later, they are more alive than ever. High Definition Television (HDTV) is one of those technologies. This briefing paper aims to inform executives of the benefits and drawbacks of HDTV. It explains how this technology basically works, what problems it is designed to solve, who the major players are and what kinds of social, economic and regulatory issues have to be considered.
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PDF, Engelska, 2002190 kr
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Seminar paper from the year 1998 in the subject Communications - Movies and Television, grade: 1, Ohio University (School of Telecommunication), course: New Technologies of Telecommunication, language: English, abstract: There has been a lot of talk about video on demand (VOD) in the last couple of years. Scenarios of a bright future for couch potatoes who had a whole videostore at their fingertips were constantly wandering through the media. When the Internet became a huge success the attention and future fantasies shifted away from the television and video on demand towards the computer. But how interesting and important is VOD really? The following chapters will explain what VOD exactly is, how it works and who s standing behind it its advantages and possibilities as well as its disadvantages and limitations.
Häftad, Tyska, 2007
367 kr
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Häftad, Tyska, 2007
916 kr
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Häftad, Tyska, 2007
367 kr
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Häftad, Tyska, 2007
367 kr
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Häftad, Tyska, 2007
367 kr
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Häftad, Tyska, 2007
367 kr
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Häftad, Engelska, 2007
367 kr
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Häftad, Engelska, 2007
333 kr
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Häftad, Engelska, 2007
333 kr
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