Results 71 to 80 of about 11,061,091 (270)
World's fastest 10 000‐m breakthrough: The XY‐22 well redefines deep‐earth access in the Tarim Basin
Deep Underground Science and Engineering, EarlyView.The Tarim Basin in northwestern China hosts one of the world's deepest petroleum systems, exemplified by the XY‐22 ultra‐deep well (bottom depth: 11 116 m; ~220°C, ~145 MPa). This study integrates tectonic mapping, geological cross‐sections, ultraviolet fluorescence microscopy, and optical photothermal infrared (OPTIR) spectroscopy to characterize ...
Qingwen Tan +4 more
wiley +1 more source
Deep Underground Science and Engineering, EarlyView.The graphical abstract presents a structured decision‐support framework for assessing the feasibility of converting depleted oil and gas wells into geothermal energy systems. The left panel illustrates a comprehensive, multi‐stage decision‐making framework progressing from prefeasibility screening and technical–economic analysis to policy alignment ...
Karolina Bieryt +3 more
wiley +1 more source
Environmental Policy and Governance, EarlyView.ABSTRACT Freshwater availability is a critical climate change challenge in coastal delta regions. This challenge requires a transformative change toward circular water management. While experimentation and collaborative governance are recognized as enablers of transformative change, their interaction remains complex and insufficiently understood ...
Flavia Simona Albu Cosoveanu +3 more
wiley +1 more source
Synonym‐based multi‐keyword ranked search with secure k‐NN in 6G network
IET Networks, EarlyView., 2022 Abstract Sixth Generation (6G) integrates the next generation communication systems such as maritime, terrestrial, and aerial to offer robust network and massive device connectivity with ultra‐low latency requirement. The cutting edge technologies such as artificial intelligence, quantum machine learning, and millimetre enable hyper‐connectivity to ...
Deebak Bakkiam David, Fadi Al‐Turjman
wiley +1 more source
Cheating immune secret sharing [PDF]
, 2001 We consider secret sharing with binary shares. This model allows us to use the well developed theory of cryptographically strong boolean functions. We prove that for given secret sharing, the average cheating probability over all cheating and original ...
Josef Pieprzyk +3 more
core +1 more source
European Journal of Social Psychology, EarlyView.ABSTRACT Apart from their well‐established associations with individual characteristics, experiences of existential threats and either objective or perceived structural circumstances in which people live, conspiracy beliefs are now being increasingly recognised as a reflection of group‐related motivations, identity‐protective motives, prejudice and ...
Magdalena Adamus +2 more
wiley +1 more source
Visual Secret Sharing Techniques without Pixel Expansion [PDF]
, 2009 [[abstract]]Unlike traditional cryptography, visual secret sharing technology decodes a ciphertext by using human?s eyes. The traditional visual secret sharing technology must go through pixel expansion and decomposition to produce some meaningless ...
Yu-Wei Liao
core
A computational ghost imaging multi-party collaborative decryption method for low-resolution images
Journal of King Saud University: Computer and Information SciencesComputational ghost imaging (CGI) is an imaging technique that uses the second-order correlation properties of optical fields. It uses random illumination patterns to illuminate the object, collects the signal via a single-pixel bucket detector, and ...
Jianan Wu +4 more
doaj +1 more source
Learning From and Through Evaluation: An Examination of Practice
New Directions for Evaluation, EarlyView.ABSTRACT In this article, we provide an analysis across the foregoing practice‐based case exemplars to understand antecedent conditions and influences, learning‐oriented evaluation strategies, estimates of strategy success or potential success, and factors that either enable or hinder the extent to which learning from and through evaluation occurs. The
J. Bradley Cousins, Jill Chouinard
wiley +1 more source
A study of secure Boolean-based multiple secret image sharing scheme [PDF]
, 2015 碩士 本論文提出一個以(n, n)為門檻值的多重影像秘密分享技術，在此門檻值下可以分享n張秘密影像，並透過本文所提出的演算法產生相同數量的n張分享影像，還原時必須蒐集所有分享影像後才能將秘密影像依序還原。本論文所提出的演算法以XOR布林函式運算為主，故而能有極佳的執行效能。此外，以布林運算為基礎的分享方法，需要使用亂數影像將秘密影像打亂，本論文在分享及還原時，提出亂數影像生成函式，因此在相同數量的分享影像下，可以分享更多數量的秘密影像，也不必耗費額外空間紀錄亂數影像。 相較其他學者所提出的分享方法，
吳緯杰; Wu, Wei-Jie
core