Temat: proxy - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: ID-based, Proxy, Threshold Signature Scheme
Autorzy:: Pomykała, Jacek
Kułakowski, Henryk
Sapiecha, Piotr
Grela, Błażej
Powiązania:: https://bibliotekanauki.pl/articles/1844644.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: ID-based
proxy
threshold
signature
scheme
Opis:: We propose the proxy threshold signature scheme with the application of elegant construction of verifiable delegating key in the ID-based infrastructure, and also with the bilinear pairings. The protocol satisfies the classical security requirements used in the proxy delegation of signing rights. The description of the system architecture and the possible application of the protocol in edge computing designs is enclosed.
Źródło:: International Journal of Electronics and Telecommunications; 2021, 67, 2; 201-205
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Climate change and human impact in the southern Baltic during the last millennium reconstructed from an ombrotrophic bog archive
Autorzy:: Lamentowicz, Mariusz
Gałka, Mariusz
Pawlyta, Jacek
Lamentowicz, Łukasz
Goslar, Tomasz
Miotk-Szpiganowicz, Grażyna
Powiązania:: https://bibliotekanauki.pl/articles/2026706.pdf
Data publikacji:: 2011
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Baltic bog
last millennium
multi-proxy
Polska
peatlands
raised bog
Opis:: We pres ent the last mil len nium of his tory of a peatland lo cated in north ern Po land. Our re sults are based on two rep li - cate mono liths taken from a Bal tic raised bog. We ap plied a high-res o lu tion ap proach and ra dio car bon dat ing to the peat ma te rial to ob tain a de tailed palaeoenvironmental re con struc tion. To re con struct past peatland mois ture, we used three prox ies: tes tate amoe bae, plant macrofossils and pol len. De spite dif fer ent peat ac cu mu la tion and ex ten sive hi a tus in the for merly stud ied core, both mono liths show a sim i lar pat tern of changes. How ever, the core from this study pro - vides us with more de tailed data on S. fuscum dis ap pear ance which cor re lates well with the data from the other Bal tic bog, S³owiñskie B³oto. Our re search shows that pris tine Bal tic bogs can be dated to AD 1350. S³owiñskie B³oto palaeohydrology con firms AD 1300 as the be gin ning of the hy dro log i cal dis tur bance. In the case of the St¹¿ki and S³owiñskie B³oto bogs, the Lit tle Ice Age (LIA) is re corded be tween AD 1500 and AD 1800. How ever, this cli ma tic change might have been blurred by hu man im pact. In the case of the Bal tic bogs, their ref er ence vir gin state can be dated to AD 1200. Af ter this date, we ob served in creas ing hu man im pact and cli ma tic in sta bil ity con nected with the LIA. How ever, be tween AD 1800 and 1900, bogs were wet, most pos si bly due to cli ma tic forc ing. This fact sug gests that de spite hu man im pact, re cent peat de pos its can still re flect cli mate. Our re search pro vided in for ma tion re lated to the time of ex is tence, lo ca tion and char ac ter is tics of the nat u ral/pris tine state. High-res o lu tion peatland palaeo ec ol ogy is cru cial for res to ra tion ac tiv i ties, e.g., rewetting and en vi ron men tal man age ment. The palaeohydrological con text (sup ported by other prox ies) of the last 1000 years pro vides a re li able an swer to the ques tion: ‘To rewet or not to rewet?’
Źródło:: Studia Quaternaria; 2011, 28; 3-16
1641-5558
2300-0384
Pojawia się w:: Studia Quaternaria
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Measurements of QoS/QoE parameters for media streaming in a PMIPv6 testbed with 802.11 b/g/n WLANs
Autorzy:: Hoeft, M.
Gierlowski, K.
Gierszewski, T.
Konorski, J.
Nowicki, K.
Wozniak, J.
Powiązania:: https://bibliotekanauki.pl/articles/220593.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: media streaming
mobility
Proxy Mobile IPv6
IEEE 801.11
QoS/QoE
Opis:: The growing number of mobile devices and the increasing popularity of multimedia services result in a new challenge of providing mobility in access networks. The paper describes experimental research on media (audio and video) streaming in a mobile IEEE 802.11 b/g/n environment realizing network-based mobility. It is an approach to mobility that requires little or no modification of the mobile terminal. Assessment of relevant parameters has been conducted in an IPv6 testbed. During the tests, both Quality of Service (QoS) and Quality of Experience (QoE) parameters have been considered. Against the background of standard L3 and L2 handovers, an emerging mobility solution named Proxy Mobile IPv6 (PMIPv6) has been examined. Its advantages (L3 connectivity maintenance) and disadvantages (packet loss during handover) are emphasized based on the obtained results. Moreover, a new solution for handover optimization has been proposed. A handoff influence upon audio/video generation and transfer imperfections has been studied and found to be an interesting direction of future work.
Źródło:: Metrology and Measurement Systems; 2012, 19, 2; 283-294
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Weighting alternatives for water stable isotopes: Statistical comparison between station- and firn/ice-records
Autorzy:: Hatvani, István Gábor
Kern, Zoltán
Powiązania:: https://bibliotekanauki.pl/articles/2046775.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: amount-weighted annual average
Antarctica
polar precipitation
snow accumulation
temperature proxy
vapor exchange
δ18O and δ2H records
Źródło:: Polish Polar Research; 2017, 38, 2; 105-124
0138-0338
2081-8262
Pojawia się w:: Polish Polar Research
Dostawca treści:: Biblioteka Nauki

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