Conflict Resolution and Goal Maintenance Components of Executive Attention are Impaired in Persons With Aphasia: Evidence from the Picture-Word Interference Task

The relationship between language processing and attention has been a topic of research in linguistics, psychology and speech-language pathology for a very long time. Following the hypothesis that attention (e.g., Kahneman, 1973) may be related to impaired language performance in aphasia (McNeil, 1982), researchers have increasingly investigated this hypothesis (McNeil, Odell, & Tseng, 1991; Murray, 1999; Robin & Rizzo, 1989; Tseng, McNeil, & Milenkovic, 1993)

[Review of] Lydio F. Tomasi, ed. Italian Americans: New Perspectives in Italian Immigration and Ethnicity

There are those who have heralded the 1980s as The Decade of the Italian American as many of the 20 million Americans of Italian descent achieve increasing prominence in politics, business, education and the arts. This new role assumed by Americans of immigrant stock has necessitated revised patterns of investigation addressing the impact of socio-economic mobility, the effects of transmigration and the growing phenomenon of exogenous marriage. For example, of the Italian American women born since 1950, between two-thirds and three-quarters have married outside the ethnic group. Finally, the size and multigenerational sampling provided by the Italian American population invites careful study of rural versus urban assimilation patterns, analysis of the relationship of sojourner settlement patterns to politico-economic conditions in the homeland, and an investigation of the myriad variations of acculturation affected by class, age and extent of social support network

Chamber Music Recital, December 7, 1992

This is the concert program of the Chamber Music Recital on Monday, December 7, 1992 at 8:00 p.m., at the Marshall Room, 855 Commonwealth Avenue. Works performed were Allegro from String Quartet in F major, Op. 18 No. 1 by Ludwig van Beethoven, Woodwind Quintet in E-flat major by Antonín Reicha, Sonatina for Flute and Clarinet by Ernst Krenek, "L'Ameró" from "Il Rè Pastore," K. 208 by Wolfgang Amadeus Mozart, Le Rossignol by Léo Delibes, Andante and Allegro from Duo for Cello and Double Bass by Gioacchino Rossini, String Trio by Ernö Dohnányi, Praeludium and Tema con variazoni from Quintet for Winds, Op. 43 by Carl Nielsen, and Movements III and IV from STring Quartet in C major, Op. 59 No. 3 ("Rasoumovsky") by L. v Beethoven. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund

Knowledge Management and Sustainable Agriculture:the Italian Case

The contemporary knowledge-based economy requires global usage of information in all aspects of modern society. Pertinent information is an important asset for successful business, therefore an application of knowledge management in organisational practice has become a crucial factor for the viability and sustainable development of enterprises. This is particularly relevant for the agricultural context, which needs modern practices for enhancement and development. However, information and knowledge, due to their intangible character, seem difficult to manage and organize. Therefore the paper targeted at developing sustainable organizational model of knowledge management for small and medium enterprises. Italian agriculture is considered as a context for this study, and knowledge management was offered as a tool for facilitating agricultural performance and increasing competitiveness of agricultural sector. A wide concept of knowledge management and specified agricultural context require a theory-based approach to research and a survey. Thus, the research methodology includes the next four parts. The first one contains literature review and examines definitions, strategies, approaches and models of sustainable knowledge management. The second part includes content analysis of 105 scientific publications. The third part of methodology is based on the results of the two previous parts and includes creating the model of knowledge management. Verification of this model is the last part of the research. Verification was executed through on-line questionnaire distributed to Italian agricultural enterprises throughout the country on their intentions and awareness towards knowledge management and developed model of knowledge management. The results of the survey have demonstrated farmer’s incentives to implement the developed knowledge management model with flexible approach in its organisation

Open Access to Cable Data Networks

The networks that are generically referred to as ?cable? today began their lives with a particular purpose: the distribution of television signals within a community. Given this history, cable networks have always operated under a regulatory regime separate from telephone networks?. Telephone systems are regulated as common carriers: telephone network services must be made available to all potential customers in a non-discriminatory fashion. Cable networks, in contrast, are not subject to the requirements of common carriage: cable system operators are under no legal obligation to make their networks available to anyone who wants to use them to distribute content (for example, a new television channel), and have in fact historically exhibited a high degree of vertical integration between conduit (cable networks) and content (TV channels). As ever more cable systems gain the capability to connect their subscribers to the Internet, this reality has sparked an intense legal wrangling and debate over the issue that is referred to as ?open access.? 1 Should cable systems with the capability to transmit data be required to allow any service provider to access customers through the cable network? Or is the current industry structure?in which service providers can only gain direct access to a cable system if they succeed in negotiating an agreement with the cable operator?a more appropriate way forward

Design of spectrometers and polarization splitters using adiabatically connected slab waveguides

The design of fully integrated prism spectrometers and polarization splitters in adiabatically connected slab waveguides with two different thicknesses, using principles of geometrical optics, is presented. In addition, the design of mirrors to connect these devices to input and output waveguides is discussed. The proposed structures will be fabricated, using two wet-etching steps, in a Si3N4 layer in-between a buffer and cladding SiO2 layer

Compass Tech., INC. v. Tseng Lab., INC.

USDC for the Eastern District of Pennsylvani

Fast Authentication in Multi-Hop Infrastructure-based Communication

Multi-hop infrastructure-based communication is expected to play a vital role in supporting high data-rate multimedia access to mobile devices. The advantages are significant in highly mobile scenarios such as intra-vehicular networks. However, mobile nodes in these networks suffer from long authentication delays, which adversely affect the goodput. In this work, we propose two techniques to shorten the initial authentication delay without compromising the authentication process and overall security. One of the techniques, called fast authentication, admits data traffic temporarily through the network to the gateway and the immediate parent node of the joining node presents network-side authentication. The other technique, called prefetch-assisted authentication, allows the authenticated wireless nodes to prefetch and store the authentication vectors of the potential mobile clients. We investigate several unique features of our proposed schemes and find their performance to be suitable for infrastructure-based multi-hop wireless communications

Byzantine Consensus in Abstract MAC Layer

This paper studies the design of Byzantine consensus algorithms in an asynchronous single-hop network equipped with the “abstract MAC layer” [DISC09], which captures core properties of modern wireless MAC protocols. Newport [PODC14], Newport and Robinson [DISC18], and Tseng and Zhang [PODC22] study crash-tolerant consensus in the model. In our setting, a Byzantine faulty node may behave arbitrarily, but it cannot break the guarantees provided by the underlying abstract MAC layer. To our knowledge, we are the first to study Byzantine faults in this model. We harness the power of the abstract MAC layer to develop a Byzantine approximate consensus algorithm and a Byzantine randomized binary consensus algorithm. Both of our algorithms require only the knowledge of the upper bound on the number of faulty nodes f, and do not require the knowledge of the number of nodes n. This demonstrates the “power” of the abstract MAC layer, as consensus algorithms in traditional message-passing models require the knowledge of both n and f. Additionally, we show that it is necessary to know f in order to reach consensus. Hence, from this perspective, our algorithms require the minimal knowledge. The lack of knowledge of n brings the challenge of identifying a quorum explicitly, which is a common technique in traditional message-passing algorithms. A key technical novelty of our algorithms is to identify “implicit quorums” which have the necessary information for reaching consensus. The quorums are implicit because nodes do not know the identity of the quorums – such notion is only used in the analysis