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111.
A data integration system provides the user with a unified view, called global schema, of the data residing at different sources. Users issue their queries against the global schema, and the system computes answers to queries by suitably accessing the sources, through the mapping, i.e., the specification of the relationship between the global schema and the sources. Since sources are in general autonomous subsystems, the information provided by the data at the sources and the mapping is likely not to be consistent with the knowledge expressed by the global schema. Therefore, the question arises of how to interpret user queries in such a situation, i.e., in the presence of data contradicting the global schema and the mapping. In this paper, we provide an in-depth analysis of the problem of dealing with inconsistencies in data integration systems. In this respect, we highlight the central role played by the mapping, and propose a general “mapping-centered” semantics that allows for computing significant answers to user queries even in the presence of inconsistent information. Based on such a semantic analysis, we define a general formal framework for data integration. Then, we argue that our semantic approach formalizes a very reasonable way of handling inconsistency in such systems, since practically all the existing proposals in the literature can be reconstructed in our framework. This allows for comparing and evaluating the different existing proposals. 相似文献
112.
Alessia Rosi Wändi Bruine de Bruin Fabio Del Missier Elena Cavallini Riccardo Russo 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2019,26(2):174-189
Older adults perform worse than younger adults when applying decision rules to choose between options that vary along multiple attributes. Although previous studies have shown that general fluid cognitive abilities contribute to the accurate application of decision rules, relatively little is known about which specific cognitive abilities play the most important role. We examined the independent roles of working memory, verbal fluency, semantic knowledge, and components of executive functioning. We found that age-related decline in applying decision rules was statistically mediated by age-related decline in working memory and verbal fluency. Our results have implications for theories of aging and decision-making. 相似文献
113.
Marisa G. Franco Olivia L. Holmes Darren Agboh 《Identity: An International Journal of Theory and Research》2019,19(3):192-203
Using a resource scarcity framework, the current study investigated whether Black people’s perceptions of competition for Black mates related to ascribing a Black identity onto Black/White Multiracial people. Participants took online questionnaires that assessed competition for Black mates, likelihood of forcing a Black identity onto a self-identified Black/White Multiracial person, essentialism, and contact with Multiracial people. Results indicated that increased perceptions of competition for Black mates was related to increased forced Black identity onto self-identified Black/White Multiracial people, above and beyond levels of essentialism and contact. This relationship was stronger for sexual minorities. The current research supports the proposition that scarcity of resources (i.e., mates) affects ideologies regarding Black/White Multiracial people’s identities. 相似文献
114.
The American Journal of Psychoanalysis - The article intends to show how Ferenczi is a genuine precursor for many of the themes which lie at the center of the current psychoanalytic... 相似文献
115.
Journal of Philosophical Logic - 相似文献
116.
Luciano Giromini Donald J. Viglione Enrico Vitolo Franco Cauda Alessandro Zennaro 《Scandinavian journal of psychology》2019,60(6):528-538
We introduce the concept of “neurobiological foundation” of Rorschach interpretations as an extension of the concept of behavioral representation as a foundation for interpretation of R‐PAS variables. Here, we propose that if there is a parallelism between the mental, verbal and perceptual behaviors occurring within the microcosm of the Rorschach task and those occurring in the external environment [behavioral foundation], then the same brain regions engaged by the test‐taker when producing of a given code, should be engaged also when reproducing, in the external environment, the same psychological processes underlying that specific Rorschach code [neurobiological foundation]. To investigate this concept, we used archival, fMRI data and tested whether producing Oral Dependency Language (ODL) responses would associate with increased activation in brain regions associated with dependency‐related, psychological processes. Results from a sample of 21 non‐clinical volunteers partially confirmed our hypothesis, providing some support to the neurobiological foundation of the ODL code. 相似文献
117.
The role of money in the excitement of gambling 总被引:1,自引:0,他引:1
Edelgard Wulfert Christine Franco Kevin Williams Brian Roland Julie Hartley Maxson 《Psychology of addictive behaviors》2008,22(3):380-390
Many gamblers claim that gambling is intrinsically exciting, with money playing only a secondary role. To examine the effects of the expectancy of winning money, the authors randomly assigned 243 male college student gamblers to 1 of 6 experimental or 1 of 3 control conditions. Control participants either simply watched a videotaped horse race or they picked a horse, but without wagering; that horse later turned out to be either the winner of the race or the runner-up. Experimental participants wagered $1 on a horse for a chance of winning either USD 2, USD 7, or USD 15, with half winning and half losing their wagers. Wagering led to increased heart rates and subjective excitement as a function of the expected payoff and of winning as opposed to losing the wager. The study was replicated with 200 female college student gamblers with similar results. These findings support the notion that the excitement of gambling is tied to the expectancy of winning money. 相似文献
118.
119.
In a series of experiments using ambiguous stimuli, we investigate the effects of displaying ordered, discrete series of images on the dynamics of figure-ground segregation. For low frame presentation speeds, the series were perceived as a sequence of discontinuous, static images, while for high speeds they were perceived as continuous. We conclude that using stimuli varying continuously along one parameter results in stronger hysteresis and reduces spontaneous switching compared to matched static stimuli with discontinuous parameter changes. The additional evidence that the size of the hysteresis effects depended on trial duration is consistent with the stochastic nature of the dynamics governing figure-ground segregation. The results showed that for continuously changing stimuli, alternative figure-ground organizations are resolved via low-level, dynamical competition. A second series of experiments confirmed these results with an ambiguous stimulus based on Petter’s effect. 相似文献
120.
Riccardo Lombardi 《The International journal of psycho-analysis》2003,84(4):843-863
The author suggests that the use of mental models and language registers may help an analysis to proceed, especially in psychosis, when the patient has not yet developed a mental space that will allow him/her the functions of knowledge and containment of emotions. Models, according to Bion, are a primitive approach to abstraction and a manifestation of the analyst's reverie that enables him/her to transform sense data into alpha‐elements. Ferrari, in a further development of Bion's theories, hypothesises a relationship between the transference and the internal level of body‐mind communication, and proposes the use of language registers to sustain the psychoanalytic process. The author presents several clinical examples from a thirteen‐year, four‐session‐a‐week analysis of a psychotic analysand who was initially confused, paranoid and altogether unable to bring self‐reflective thought to bear on her overwhelming emotions and had, by the end of the analysis, completely recovered from her psychotic symptoms. The clinical material shows how the technical tools of mental models and language registers helped in the construction of a mental space and spatio‐temporal parameters, permitting the patient to tolerate overwhelming concrete emotions and finally to recognise and work through the emotions of an intense transference. 相似文献