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Engineering a multi-purpose test collection for Web retrieval experiments   总被引:1,自引:0,他引:1  
Past research into text retrieval methods for the Web has been restricted by the lack of a test collection capable of supporting experiments which are both realistic and reproducible. The 1.69 million document WT10g collection is proposed as a multi-purpose testbed for experiments with these attributes, in distributed IR, hyperlink algorithms and conventional ad hoc retrieval.WT10g was constructed by selecting from a superset of documents in such a way that desirable corpus properties were preserved or optimised. These properties include: a high degree of inter-server connectivity, integrity of server holdings, inclusion of documents related to a very wide spread of likely queries, and a realistic distribution of server holding sizes. We confirm that WT10g contains exploitable link information using a site (homepage) finding experiment. Our results show that, on this task, Okapi BM25 works better on propagated link anchor text than on full text.WT10g was used in TREC-9 and TREC-2000 and both topic relevance and homepage finding queries and judgments are available.  相似文献   
274.
ABSTRACT:   This article investigates the experience of individual learners who have been allocated learning support in the further education system in England. The particular focus is on interviewees' constructions of their emotional and psychic experiences. Through the adoption of a psycho-social perspective, learners' tendency to 'idealise' their learning support workers is understood as a strategy for coping with the anxiety generated by a range of previous experiences. The implications for policy-makers are discussed.  相似文献   
275.
Deaf students' reading strategies were identified by investigating these students' self-reported thinking during reading. In an earlier study (Schirmer, 2003), 10 elementary-level students attending a state school for the deaf had constructed meaning, monitored comprehension and activated strategies to improve comprehension, and evaluated comprehension, but had not demonstrated each of the reading strategies within these three overarching activities, all observed in previous studies of hearing skilled readers. Also, the students used a considerably greater variety of reading strategies for constructing meaning than for the other two activities. The replication study used the same procedure. Six elementary-level students attending a site-based public school classroom for deaf students thought aloud after reading each page of a short story. Analysis of these verbal reports indicated the participants performed similarly to those in the first study, thus supporting the reliability of results regarding reading strategies of readers who are deaf.  相似文献   
276.
Background: The Government's nursing recruitment campaign has widened access for those wishing to enter the profession, resulting in some students entering university with clinical experience but little experience of academic writing or using libraries. For these students, the library and study advice staff have an important role to play in helping them acquire appropriate information literacy and study skills. Objective: To evaluate the impact of workshops supplementing online instruction in study skills on students’ study and writing skills, and level of information literacy. Methods: A small group of pre‐registration nursing students identified as needing support with information literacy and study skills participated in focus groups to identify areas of concern, and were offered four remedial workshops. A follow‐up focus group explored whether the students’ needs had been addressed. Further evaluation of the workshops’ impact was completed by diagnostic testing within the University's information literacy programme, Skills Plus. Outcomes: The results showed that all students who attended at least one workshop improved their academic grade in their next assignment. Qualitative data indicated that the students’ confidence level and information literacy, including referencing skills, had improved. Conclusion: Evaluating the impact of this intervention has provided the evidence to demonstrate the value of this additional support.  相似文献   
277.
In this article, we ‘think with’ the theoretical concepts of flow, rupture, layering, and sampling to affectively attune to ‘in-the-red frequencies’ flowing across/with-in a New York City primary classroom—that is, alternative sonic frequencies that trouble and refuse hegemonic literacy practices. These hip-hop concepts theorise affect in relation to Black intellectual frameworks for moving, feeling, and sounding. Such frameworks honour philosophical practices emerging from Black people's lived experiences—practices that, historically, have been perceptually coded out of legibility by white supremacist institutions. Ultimately, we argue that thinking with flow↔rupture↔layering↔sampling enables more equitable practices that push literacies ‘into the red,’ namely, by respecting multiple perspectives, histories, and truths; accounting for power, privilege, positioning, and complicity; and highlighting ‘otherwise’ social worlds not predicated on hegemonic whiteness, anti-blackness, and socio-political violence.  相似文献   
278.
The quality of doctoral students’ academic and social experiences is a key element of their success in graduate school programs. These experiences support the completion of doctoral programs, especially for first-generation college students from low-income backgrounds. Framed by Weidman's (1989) undergraduate socialization model, the author interviewed 18 former participants in Ronald McNair Programs (McNair Program),who completed their doctoral studies in order to determine how such programs can serve as a socializing agent to facilitate the successful completion of graduate study. Several themes emerge from the interviews conducted that distinguish McNair Programs from other interventions to promote integration or preparation, including the presence of academic and social integration. Such integration had a positive influence on the participants’ doctoral experience and contributed to the development of their competence, self-confidence, social and academic connectedness, and academic identity. Participants derived the greatest benefits from academic program components and academic counseling. Moreover, social components such as mentoring, cultural activities, and personal encounters in summer research internships also contributed to a positive doctoral experience.  相似文献   
279.
Chris Bailey 《Literacy》2023,57(2):120-131
The concept of neurodiversity has fuelled a social justice movement advocating for the rights of those whose lives diverge from a socially-constructed default. However, deficit understandings of disability persist in educational settings and neurodivergent people continue to face disadvantage and discrimination in organisations constructed on normative understandings of the world. Although New Literacy Studies is concerned with ideas of power, dominance and worth, there is a notable lack of work that connects NLS with issues of neurodiversity. In this paper, I introduce the term ‘neurodivergent literacies’ to propose a field of study that links the ideological model of literacy with the neurodiversity paradigm. From this starting point, I outline a project that examined literacies around what are often referred to as the ‘special interests’ of autistic people. Presenting data from interviews with 13 neurodivergent adults, related to school experiences and the literacies they engage with around their self-defined ‘ruling passions’, I make recommendations for literacies practitioners, arguing that schools need to do more to take account of difference and disability. By describing how ‘neurodivergent literacies’ can help teachers harness their own critical literacy skills to challenge deficit models of difference in the classroom, this paper illuminates how an understanding of neurodiversity is essential for anyone teaching and researching literacies with a commitment to social justice.  相似文献   
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