220 research outputs found
Bread and Empire: The Workings of Grain Provisioning in Istanbul During the Eighteenth Century
Provisioning of the Imperial capital Istanbul had been one of the major concerns of the Ottoman rulers from the classical age to the dawn of the modern era. Grain occupied a particularly important place in the provisioning policies of the Ottoman state due to the fact that the Ottoman sultans considered the steady supply of "people's bread" in the capital city as one of the ways to promote and reproduce their image of sovereignty in the general public opinion. This consideration remained unchanged throughout the eighteenth century during which time the Ottoman economy faltered vis-à-vis the European centered world-economy and the Ottoman polity began to gradually withdraw from the economic realm. In the face of mounting fiscal burdens, the Ottoman state limited its provisioning policies to the raw materials needed by the military industries and to the basic foods consumed by the populace. In this context, the traditional protectionist attitude of the state towards the craft guilds of the imperial capital was abandoned, leaving these organizations at the mercy of circumstances not to say the market principle. The only institutions that were insulated from the changing policy of the state were the grain-related crafts, i.e. bakers' guild. This paper argues with reference to a series of published documents that the Ottoman state continued, if not hardened, its provisioning policies of grain to the imperial capital during the eighteenth century and thereafter.Istanbul, Ottoman state, grain provision, food supply
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Phonetics-based Techniques in My Compositional Methodology, and Two Compositions: ŠÀ {karāz} for large ensemble and eschaton according to bēl-rē’u-šu for percussion trio
This dissertation explores various ways of working with acoustic analyses of speech in music composition. The first chapter presents an overview of whistled languages and discusses their potential to act as blueprints for optimizing phonetic data for compositional use. The second chapter details my workflow for incorporating formant and fundamental frequency analysis data from the phonetics software Praat into my compositional methodology. Broadly inspired by the ways in which whistled utterances transform spoken language, the workflow consists of an analysis phase in Praat followed by the conversion, optimization and orchestration of the extracted phonetic data in the computer-assisted composition environments OpenMusic and bach.
Also included in the dissertation are two compositions that are both informed by phonetics. The first composition, ŠÀ {karāz} for large ensemble, contains, among the various ways it attempts to instrumentally imitate speech, a section that is constructed with the help of the workflow described in the second chapter. The second composition, eschaton according to bēl-rē’u-šu for percussion trio, engages in a deconstruction of the established roles of speech and instruments in my music, in which the performers are, at times, asked to imitate the sounds of percussion instruments with their voice, in an attempt to blur the line between speech as “the imitated” and instruments as “the imitators.
Adaptive Regularization for Class-Incremental Learning
Class-Incremental Learning updates a deep classifier with new categories
while maintaining the previously observed class accuracy. Regularizing the
neural network weights is a common method to prevent forgetting previously
learned classes while learning novel ones. However, existing regularizers use a
constant magnitude throughout the learning sessions, which may not reflect the
varying levels of difficulty of the tasks encountered during incremental
learning. This study investigates the necessity of adaptive regularization in
Class-Incremental Learning, which dynamically adjusts the regularization
strength according to the complexity of the task at hand. We propose a Bayesian
Optimization-based approach to automatically determine the optimal
regularization magnitude for each learning task. Our experiments on two
datasets via two regularizers demonstrate the importance of adaptive
regularization for achieving accurate and less forgetful visual incremental
learning
Performance evaluation of different CRL distribution schemes embedded in WMN authentication
Wireless Mesh Networks (WMNs) have emerged as a promising technology to provide low cost and scalable solutions for high speed Internet access and additional services. In hybrid WMNs, where mesh clients also act as relaying agents and form a mesh client network, it is important to provide users with an efficient anonymous and accountable authentication scheme. Accountability is required for the malicious users that are to be identified and revoked from the network access and related services. Promising revocation schemes are based on Certification Revocation Lists (CRLs). Since in hybrid WMNs mesh clients also authenticate other clients, distribution of these CRLs is an important task. In this paper, we propose and examine the performance of different distribution schemes of CRLs and analyze authentication performance in two scenarios: in one scenario all mesh routers and mesh clients obtain CRLs and in the second one, CRLs are held only by the mesh routers and mesh clients acting as relaying agents require CRL checking to be performed from the router in authenticating another client
Shortest hop multipath algorithm for wireless sensor networks
AbstractShortest hop or distance path is one of the most common methods used for relaying messages in a wide variety of networks. It provides an efficient message relaying to destination in terms of energy and time. There are many algorithms for constructing shortest hop or distance path. However, according to our knowledge, no algorithm for constructing a shortest hop multipath for wireless sensor networks (WSNs) has yet been proposed in the literature. In this paper, we propose a novel distributed shortest hop multipath algorithm for WSNs in order to generate energy efficient paths for data dissemination or routing. The proposed algorithm generates shortest hop braided multipath to be used for fault-tolerance or load-balancing. It guarantees the BFS tree and generates near optimal paths in O(V.D+V) message complexity and O(D2) time complexity regarding the communication costs towards the sink after termination of algorithm
The Experience with Macro-Prudential Policies of the Central Bank of the Republic of Turkey in Response to the Global Financial Crisis
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