Cross-language Information Retrieval

Two key assumptions shape the usual view of ranked retrieval: (1) that the searcher can choose words for their query that might appear in the documents that they wish to see, and (2) that ranking retrieved documents will suffice because the searcher will be able to recognize those which they wished to find. When the documents to be searched are in a language not known by the searcher, neither assumption is true. In such cases, Cross-Language Information Retrieval (CLIR) is needed. This chapter reviews the state of the art for CLIR and outlines some open research questions.Comment: 49 pages, 0 figure

Annotated Translation: Stark, Freya: The valleys of the Assassins and other Persian travels. Los Angeles: J. P. Tarcher 1983, pp. 7-12, 211-228.

This bachelor thesis provides a translation of preface and selected part of The Valleys of the Assassins and Other Persian Travels, a travelogue by English-Italian adventurer and writer Freya Stark. The second part of the thesis consists of a commentary on the translation, including analysis of the original text, description of chosen translation method, translation problems and shifts in the translation. Powered by TCPDF (www.tcpdf.org)Tato bakalářská práce se zabývá překladem předmluvy a vybraného úryvku z knihy The Valleys of the Assassins and Other Persian Travels od britsko-italské cestovatelky a spisovatelky Freyi Stark. První částí práce je překlad samotný, druhá pak sestává z komentáře, který osahuje překladatelskou analýzu originálu dle modelu Christiane Nordové, popis překladatelské metody a dílčích překladatelských problémů a posunů. Powered by TCPDF (www.tcpdf.org)Institute of Translation StudiesÚstav translatologieFilozofická fakultaFaculty of Art

A prosody-based vector-space model of dialog activity for information retrieval

Search in audio archives is a challenging problem. Using prosodic information to help find relevant content has been proposed as a complement to word-based retrieval, but its utility has been an open question. We propose a new way to use prosodic information in search, based on a vector-space model, where each point in time maps to a point in a vector space whose dimensions are derived from numerous prosodic features of the local context. Point pairs that are close in this vector space are frequently similar, not only in terms of the dialog activities, but also in topic. Using proximity in this space as an indicator of similarity, we built support for a query-by-example function. Searchers were happy to use this function, and it provided value on a large testset. Prosody-based retrieval did not perform as well as word-based retrieval, but the two sources of information were often non-redundant and in combination they sometimes performed better than either separately.We thank Martha Larson, Alejandro Vega, Steve Renals, Khiet Truong, Olac Fuentes, David Novick, Shreyas Karkhedkar, Luis F. Ramirez, Elizabeth E. Shriberg, Catharine Oertel, Louis-Philippe Morency, Tatsuya Kawahara, Mary Harper, and the anonymous reviewers. This work was supported in part by the National Science Foundation under Grants IIS-0914868 and IIS-1241434 and by the Spanish MEC under contract TIN2011-28169-C05-01.Ward, NG.; Werner, SD.; García-Granada, F.; Sanchís Arnal, E. (2015). A prosody-based vector-space model of dialog activity for information retrieval. Speech Communication. 68:85-96. doi:10.1016/j.specom.2015.01.004S85966

Projektové řízení a jeho uplatnění v praxi

Import 20/04/2006Prezenční výpůjčkaVŠB - Technická univerzita Ostrava. Ekonomická fakulta. Katedra (155) informatiky v ekonomic

Vyhledávání informací a navigace v audiovizuálních archívech

Práca poskytuje prehľad metód pre interaktívne vyhľadávanie relevantných segmentov vo zvukových nahrávkach a vo videách. Práca najprv popisuje metódy pre vyhľadávanie v audio- vizuálnych archívoch založené na textovej informácii, ktoré využívajú automatické prepisy, titulky a metadáta. Kvalita vyhľadávania je skúmaná v závislosti na metódach segmentácie videa. Ďalej sú skúmané metódy pre navigáciu v multimédiách založené na multimodálnych hyperlinkoch a metódy pre automatický výber informatívnych segmentov videa, na ktoré je ďalej hyperlinking aplikovaný. Popísané metódy textového vyhľadávania, hyperlinkigu a výberu zaujímavých segmentov sú nakoniec použité v grafickom používateľskom rozhraní.The thesis probes issues associated with interactive audio and video retrieval of relevant segments. Text-based methods for search in audio-visual archives using automatic transcripts, subtitles and metadata are first described. Search quality is analyzed with respect to video segmentation methods. Navigation using multimodal hyperlinks between video segments is then examined as well as methods for automatic detection of the most informative anchoring segments suitable for subsequent hyperlinking application. The described text-based search, hyperlinking and anchoring methods are finally presented in working form through their incorporation in an online graphical user interface.Ústav formální a aplikované lingvistikyInstitute of Formal and Applied LinguisticsMatematicko-fyzikální fakultaFaculty of Mathematics and Physic

Information retrieval and navigation in audio-visual archives

The thesis probes issues associated with interactive audio and video retrieval of relevant segments. Text-based methods for search in audio-visual archives using automatic transcripts, subtitles and metadata are first described. Search quality is analyzed with respect to video segmentation methods. Navigation using multimodal hyperlinks between video segments is then examined as well as methods for automatic detection of the most informative anchoring segments suitable for subsequent hyperlinking application. The described text-based search, hyperlinking and anchoring methods are finally presented in working form through their incorporation in an online graphical user interface

Antenna Noise Temperature Calculation

This work studies antenna noise temperature computation. The antenna noise temperature is calculated directly from its de nition. Thus, it is necessary to rotate the antenna radiation pattern. Euler matrix is used to rotate the radiation pattern. This work includes software for the antenna noise temperature computation. It calculates antenna noise temperature from the radiation pattern based measured or simulated data and from measured or prede ned environment noise temperature

Výpočet šumové teploty antén

Práca sa zaoberá výpočtom šumovej teploty antény z jej vyžarovacieho diagramu a šumových vlastností jej okolia. Šumová teplota antény sa počíta priamo z jej de nície, pričom dochádza k otáčaniu jej vyžarovacieho diagramu pomocou násobenia Eulerovou maticou. Súčasťou práce je software, ktorý umožňuje výpočet šumovej teploty antény z nameraných alebo vypočítaných hodnôt jej vyžarovacieho diagramu a z obecných alebo nameraných hodnôt šumovej teploty okolia antény.This work studies antenna noise temperature computation. The antenna noise temperature is calculated directly from its de nition. Thus, it is necessary to rotate the antenna radiation pattern. Euler matrix is used to rotate the radiation pattern. This work includes software for the antenna noise temperature computation. It calculates antenna noise temperature from the radiation pattern based measured or simulated data and from measured or prede ned environment noise temperature.Katedra softwarového inženýrstvíDepartment of Software EngineeringFaculty of Mathematics and PhysicsMatematicko-fyzikální fakult