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showing 10 items of 1251 documents
The overstated generational gap in online news use? A consolidated infrastructural perspective
2021
Recent research by Taneja et al. suggested that digital infrastructures diminish the generational gap in news use by counteracting preference structures. We expand on this seminal work by arguing that an infrastructural perspective requires overcoming limitations of highly aggregated web tracking data used in prior research. We analyze the individual browsing histories of two representative samples of German Internet users collected in 2012 ( N = 2970) and 2018 ( N = 2045) and find robust evidence for a smaller generational gap in online news use than commonly assumed. While short news website visits mostly demonstrated infrastructural factors, longer news use episodes were shaped more by …
In a World Where You can be Anyone: An Investigation into the Gendered Social Practices of Pakistani Facebook Users
2021
AbstractThis article investigates the construction of gender identities of Pakistani men and women Facebook users given that Facebook has emerged as the prime social media platform through which Pakistani users interact. By employing thematic analysis and taking insights from theory of performativity and intersectionality, the findings of the interview data suggest that the formation, negotiation, and expression of gender identities on Facebook occurs through complex interplay between the discourses of religion, class, culture, and tradition. In some cases, Facebook highlighted the reproduction of the prevalent cultural models of masculinity and femininity while in other cases; there was re…
Mēmi kā reģionālo identitāti veidojošs elements: Facebook lapu "Siguldas Memes" un "Alūksniešu memes" diskursa analīze
2018
Bakalaura darba tēma ir “Mēmi kā reģionālo identitāti veidojošs elements: Facebook lapu “Siguldas Memes” un “Alūksniešu memes” diskursa analīze”. Darba mērķis ir noskaidrot, kā caur mēmiem un to diskursu tiek konstruēta reģionālā identitāte un kā to uztver paši iedzīvotāji. Teorētiskajā daļā aplūkota sociālās identitātes teorija, kas atklāj sociālo grupu un reģionālās identitātes dabu, diskursa teorija, kas skaidro identitātes veidošanos, kā arī mēmu teorētiskie koncepti. Pētījumā izmantotas kontentanalīzes, multimodālās kritiskās diskursa analīzes, kā arī fokusa grupas intervijas metodes. Pētījumā noskaidrots, ka digitālajās kopienās parādās diskurss, kas liecina par piederību reģionam un …
Phospholipid fatty acids in anthers of eggplant (S.melogena), allied species and correspondent introgression lines
2009
Zvaigžņotā Debess: 2012, Rudens (217)
2012
Saturs: P.Stučkas LVU ieguldījums astronomijas speciālistu sagatavošanā ; Starp "maldugunīm" un zvaigznēm ; A.Alksnis. Dawn kosmosa misija palīdz atklāt asteroīda Vesta noslēpumus ; D.Docenko. Komentārs: Par Higsa bozona atklāšanu ; I.P. Frīdriha Candera 125.dzimšanas dienai Krievijas Pasts izdevis marku ; P.Leckis. Mākoņu pārklātais pavadonis ; D.Kotlere, I.Šmelds. Kosmisko atlūzu novērojumi Ventspils Starptautiskajā radioastronomijas centrā ; Pirmo reizi “ZvD”: Dace Kotlere ; I.P. Divas dienas, godinot Jāni Ikaunieku (28.IV 1912.–27.IV 1969.) ; I.Pundure. Jāņa Ikaunieka devums Latvijas astronomijai ; N.Cimahoviča, Imants Vilks, R.Saveļjeva, T.Millers, A.Krastiņš. Atmiņas par Ikaunieku ; E…
Zvaigžņotā Debess: 2012, Vasara (216)
2012
Contents: “ZVAIGŽŅOTĀ DEBESS” FORTY YEARS AGO: E.Bervalds. From Intention to Reality (abridged) ; A.Egle. Conceptions of Our Ancestry About Heavenly Bodies and Astronomical Phenomena (abridged) ; NEWS: I.Eglītis. Asteroid Discovered at Baldone Observatory Named after Ikaunieks ; A.Alksnis. ALMA Helps to Study Planetary System of Star Fomalhaut ; A.Alksnis. More than Ten Light-Years Long Filament of Cosmic Dust Discovered ; A.Alksnis. Billions of Rocky Planets in the Milky Way ; SPACE RESEARCH and EXPLORATION: M.Sudārs. The Little Secret Space Shuttle Is Flying! ; M.Sudārs. Too Much Litter! Not in Rubbish Dump, but in the Space! ; “ENERĢIJA un PASAULE” VISITS “ZVAIGŽŅOTĀ DEBESS”: Talk with D…
Valūtas kursa volatilitātes prognozēšana, izmantojot GARCH modeļus
2017
Valūtas kursa prognozēšana ir daudzu pētījumu objekts. Pasaulē viss mainās un cenas finanšu tirgū nav izņēmums, un nepieciešamība prognozēt tās izmaiņas kļuva vēl lielāka. Tādi tradicionālie modeļi kā ARMA ne vienmēr var adekvāti aprakstīt finanšu laikrindu ar tās īpatnībām. Tādēļ ir nepieciešams paplašināt tādus modeļus. Viena no valūtas kursa īpatnībām ir volatilitāte. Šis termins ir lietots, lai apraskstītu cenu svārstības. Vispārinātie nosacītas heteroskedastivitātes autoregresijas modeļi (GARCH) bieži tiek lietoti volatilitātes pētījumiem, lai atklātu sviras efektus, asimetrijas efektus vai klasteru veidošanas efektus. Darbā tiek izveidoti un aplūkoti GARCH, EGARCH un TGARCH modeļi tri…
Zvaigžņotā Debess: 2011, Pavasaris (211)
2011
Contents: “ZVAIGŽŅOTĀ DEBESS” FORTY YEARS AGO: A.Alksnis. XIV General Assembly of the International Astronomical Union (abridged) ; H.Strods. Jaunlaicene’s Watchmaker (abridged) ; I.Daube. At the Radioastrophysical Observatory of the Latvian Academy of Sciences (abridged). 50 YEARS SINCE GAGARIN’S SPACE FLIGHT: R.Misa. Dream about Cosmos ; A.Zalcmane. Konstantin Tsiolkovsky Astronautics Museum in Kaluga; E.Bērziņa. Outer Space in Pauls Stradins Museum of History of Medicine. NEWS: A.Alksnis. Different Faces of Whirpool Galaxy ; A.Alksnis. The Kleopatra’s Trio and other Minor Planets Groups. SPACE RESEARCH and EXPLORATION: V.Kalniņš. NASA Preparing Solar Probe Plus to Plunge into Sun's Atmos…
Joint Resource Allocation and UAV Scheduling With Ground Radio Station Sleeping
2021
Applications of Unmanned aerial vehicles (UAVs) have advanced rapidly in recent years. The UAVs are used for a variety of applications, including surveillance, disaster management, precision agriculture, weather forecasting, etc. In near future, the growing number of UAV applications would necessitate densification of UAV infrastructure (ground radio station (GRS) and ground control station (GCS)) at the expense of increased energy consumption for UAV communications. Maximizing the energy efficiency of this UAV infrastructure is important. Motivated by this, we propose joint resource allocation and UAV scheduling with GRS sleeping (GRSS). Further, we propose the use of coordinated multi-poi…
Korpusavusteinen diskurssintutkimus (CADS): analyysiesimerkki homouden ja heterouden digitaalisista diskursseista
2018
The article aims at combining two methodological approaches, namely corpus linguistics and discourse studies. Both of these approaches are present in corpus-assisted discourse studies (CADS) which makes use of both quantitative and qualitative methodologies. First, an attempt is made to discuss the differences and similarities of these two traditions based on Leech’s (2000) listing. However, it turns out that this listing does not include all necessary viewpoints, and those are further discussed. In the empirical section of the paper, the Suomi24 corpus is analysed in order to provide an example of CADS. The analysis was carried out through collocation and discourse prosody analyses. The re…