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Researchers in indexing and retrieval systems have been advocating the inclusion of more contextual information to improve results. The proliferation of full-text databases and advances in computer storage capacity have made it possible to carry out text analysis by means of linguistic and extra-linguistic knowledge. Since the mid 80s, research has tended to pay more attention to context, giving discourse analysis a more central role. The research presented in this paper aims to check whether discourse variables have an impact on modern information retrieval and classification algorithms. In order to evaluate this hypothesis, a functional framework for information analysis in an automated environment has been proposed, where the n-grams (filtering) and the k-means and Chen’s classification algorithms have been tested against sub-collections of documents based on the following discourse variables: “Genre”, “Register”, “Domain terminology”, and “Document structure”. The results obtained with the algorithms for the different sub-collections were compared to the MeSH information structure. These demonstrate that n-grams does not appear to have a clear dependence on discourse variables, though the k-means classification algorithm does, but only on domain terminology and document structure, and finally Chen’s algorithm has a clear dependence on all of the discourse variables. This information could be used to design better classification algorithms, where discourse variables should be taken into account. Other minor conclusions drawn from these results are also presented. 相似文献
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The article treats the problem of “rationality” in learning processes in research policies. The underlying hypothesis is that there are contemporary efforts in research policy-making, which, against views in organisational sociology like “bounded rationality” or “garbage-can”, endeavour to “rationalise” the process of decision-making in research policies. This hypothesis is worked out by taking one example, the setting-up of the “National Centres of Competence in Research” (NCCR) in Switzerland and analyse the processes that have contributed to the acceptance of this funding measure. Our finding is that Switzerland has introduced some “rationalising devices” but that these devices are still insufficiently institutionalised and can be further elaborated. In addition, it is made clear that goal-oriented problem-solving and interests are closely intertwined and cannot be dissociated from another. This may have distorting effects on the rationality of the learning process. It is, nevertheless, a necessary condition in order to learn at all. 相似文献
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This research contributes to the intra-organization, inter-organization, and new product development (NPD) management literature by studying the impact of a firm's internal organizational design on the communication within and performance of NPD projects conducted with strategic alliance partners. The empirical data were collected from three in-depth case studies of network lead companies (NLCs) operating in different industries. The three NLCs have different internal organizational designs, ranging from very flexible “organic” to very rigid “mechanistic.” In each NLC, a successful new-to-firm product development project was chosen for further detailed investigation. First, we identify the role the alliance's NPD project characteristics and industry characteristics play in determining the “intensity level” and “media richness” of communication required between the alliance's NPD project partners. Then, we examine how the internal organizational design influences the actual intensity and media richness of communication of the alliance's NPD project that matches our assumptions of what is required. 相似文献
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Plagiarism is the misuse of and failure to acknowledge source materials. This paper questions common responses to the apparent increase in plagiarism by students. Internet plagiarism occurs in a context – using the Internet as an information tool – where the relevant norms are far from obvious and models of virtue are difficult to identify and perhaps impossible to find. Ethical responses to the pervasiveness of Internet-enhanced plagiarism require a reorientation of perspective on both plagiarism and the Internet as a knowledge tool. Technological strategies to “catch the cheats” send a “don’t get caught” message to students and direct the limited resources of academic institutions to a battle that cannot be won. More importantly, it is not the right battleground. Rather than characterising Internet-enabled plagiarism as a problem generated and solvable by emerging technologies, we argue that there is a more urgent need to build the background conditions that enable and sustain ethical relationships and academic virtues: to nurture an intellectual community. 相似文献
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Numerous articles, books and essays have shown that ongoing efforts to meet customers’ needs characterize market leaders. For a firm to successfully develop customer-oriented attitudes throughout the entire organization, employees at all levels and sections need to be committed to providing a high level of service. It is therefore essential to understand what drives employees – especially those who do not interact daily with customers – to adopt a customer-oriented attitude. The aim of this study is to shed some light on one facet of this relationship, namely the mechanism of knowledge sharing that may impact employee customer orientation. The underlying notion is that technology, in its various advanced forms of CRM software, enhances and enables client “knowing.” In other words, it leads to a greater ability on the part of employees to share knowledge, which brings about real customer orientation.This paper provides empirical evidence, based on a sample of 345 Hi-Tech workers from a telecommunication company, of a link between sharing explicit knowledge and tacit knowledge to enhance customer orientation. The findings indicate that sharing tacit knowledge has a positive effect on increasing employee customer orientation and increases sharing of explicit knowledge, while also strengthening communication about customers in the organization. It is concluded that firms should encourage tacit knowledge sharing and its transformation by technology into explicit knowledge to augment employees’ customer-oriented attitudes. 相似文献
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Egghe’s three papers regarding the universal IR surface (2004, 2007, 2008) clearly represent an original and significant contribution to the IR evaluation literature. However, Egghe’s attempt to find a complete set of universal IR evaluation points (P,R,F,M) fell short of his goal: his universal IR surface equation did not suffice in and of itself, and his continuous extension argument was insufficient to find all the remaining points (quadruples). Egghe found only two extra universal IR evaluation points, (1,1,0,0) and (0,0,1,1), but it turns out that a total of 15 additional, valid, universal IR evaluation points exist. The gap first appeared in Egghe’s earliest paper and was carried into subsequent papers. The mathematical method used here for finding the additional universal IR evaluation points involves defining the relevance metrics P,R,F,M in terms of the Swets variables a,b,c,d. Then the maximum possible number of additional quadruples is deduced, and finally, all the invalid quadruples are eliminated so that only the valid, universal IR points remain. Six of these points may be interpreted as being continuous extensions of the universal IR surface, while the other nine points may be interpreted as being “off the universal IR surface.” This completely solves the problem of finding the maximum range possible of universal IR evaluation points. 相似文献
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In this paper, we present several insights regarding the influence of institutional design on the process of Research Joint Venture (RJV) formation. Our results are obtained with a firm-level dataset on RJVs formed under the umbrella of the Eureka initiative and of the European Union’s Framework Programmes (EU-FPs) for science and technology. We focus on firms that are known to have a high probability of forming RJVs, with the latter identified as firms with a past experience in collaborative research. The results indicate that EU-FP RJVs are consistent with a “top-down” and “mission oriented” research policy. By contrast, Eureka RJVs appear as more market driven and “bottom-up”. 相似文献
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A small group of companies including Intel, Microsoft, and Cisco have used “platform leadership” with great effect as a means for driving innovation and accelerating market growth within their respective industries. Prior research in this area emphasizes that trust plays a critical role in the success of this strategy. However, many of the categorizations of trust discussed in the literature tend to ignore or undervalue the fact that trust and power are often functionally equivalent, and that the coercion of weaker partners is sometimes misdiagnosed as collaboration. In this paper, I use case study data focusing on Intel's shift from ceramic/wire-bonded packaging to organic/C4 packaging to characterize the relationships between Intel and its suppliers, and to determine if these links are based on power in addition to trust. The case study shows that Intel's platform leadership strategy is built on a balance of both trust and a relatively benevolent form of power that is exemplified by the company's “open kimono” principle, through which Intel insists that suppliers share detailed financial data and highly proprietary technical information to achieve mutually advantageous objectives. By explaining more completely the nature of these inter-firm linkages, this paper usefully extends our understanding of how platform leadership is maintained by Intel, and contributes to the literature by showing how trust and power can be used simultaneously within an inter-firm relationship in a way that benefits all of the stakeholders. 相似文献
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The centrality of firms vis-à-vis regions underlines a general contrast between two models of producing innovations. This paper uses a new database composed of 4262 European chemical patents applied by 693 firms during 1987–1996 to compare the relative effect of firm and regional characteristics on the production of technological “hits” (highly cited patents). By using extensive controls, the main finding of the paper is that technological hits in the “traditional” chemical sectors are explained only by R&D intensity at the firm level and the scale of the research projects. Firm competencies, particularly technological specialisation, are still important in biotechnology. However, the distinct feature of the biotechnology model is that localised knowledge spillovers also matter. 相似文献
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Projects and firms as discordant complements: organisational learning in the Munich software ecology
In current theorising, projects and firms are understood as “learning organisations”. Although the learning function can be regarded as constituent for both organisational forms, the specific learning mechanisms are connected with opposing features (e.g. long-term, trustful collaboration versus short cyclical, disruptive collaboration). Referring to the first results of qualitative research conducted on the Munich software cluster, this paper aims to explore the functional interplay between projects and firms with regard to organisational learning. The main thesis is that processes of improvement, failure eradication and knowledge accumulation are more likely to take place in firms whereas processes of structural change are more likely to be organised in a project. In complementing one another these functions, however, also generate inconsistencies like contravening learning incentives or contingency traps. Therefore, projects and firms may be regarded as “discordant complements”. 相似文献
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Business groups in emerging economies frequently use international joint ventures (IJV) as a channel for knowledge acquisition and technology advancement. While IJVs provide a business group with access to new technology, how successful a group is in exploiting that new knowledge for innovative purposes depends on the groups’ ability to recombine new knowledge with its existing pool of knowledge and resources. The more resources a group spends in forming IJVs with foreign partners, the less resources the group has in developing and sustaining organizational mechanisms that facilitate integration of existing ideas and resources. Following this theoretical duality, we view the IJV–innovation relationship not as an “either–or” question, but as a question of whether and how. Specifically, viewing business groups as networks of loosely coupled firms, we examine how intra-group network structure and evolving institutional environment moderates the IJV–patenting relationship in Taiwan between 1981 and 1998. 相似文献
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In this essay, I argue that popular entertainment can be understood in terms of Husserl’s concepts of epochē, reduction and constitution, and, conversely, that epochē, reduction and constitution can be explicated in terms of popular entertainment. To this end I use Husserl’s concepts to explicate and reflect upon the psychological and ethical effects of an exemplary instance of entertainment, the renowned Star Trek episode entitled “The Measure of a Man.” The importance of such an exercise is twofold: (1) to demonstrate, once again, the fecundity of the methodological procedures Husserl bequeathed to us; more than any other philosopher, he tapped into the fundamental manners in which we lose, make and remake the meanings of our lives; and (2) to demonstrate how popular entertainment, similarly, plays a central role in the making and remaking of the meanings of our lives. If my zig-zag procedure between Husserl’s philosophy and popular entertainment is productive and cogent, in addition to elucidating Husserl’s philosophy, it will demonstrate the reality-generating potency and the constitutive power of entertainment in the contemporary world. Entertainment, via ourselves, has become the primary producer of the meanings via which consciousness constitutes the world. 相似文献
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The commodification of code demands two preconditions: a belief if the existence of code and a system of ownership for the code. An examination of these preconditions is helpful for resisting the further widening of digital divides. The ontological belief in the relatively independent existence of code is dependent on our understanding of what the “digital” is. Here it is claimed that the digital is not a natural kind, but a concept that is relative to our practices of interpretation. An interpretative system that sees code as something that can or should always be owned implies an increase of social control and threatens vital processes of knowledge creation that are necessary for an open and egalitarian information society. The ontological belief in “digital code” thus provides the backdrop for an ethical view of the information society. Consequently, if we see digital code as an interpretative notion (in the nominalist way), the ethical questions appear in a different light. 相似文献
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This paper is a first step toward closing the analytical gap in the extensive literature on the results of interactions between public and private R&D expenditures, and their joint effects on the economy. A survey focusing on econometric studies in this area reveals a plethora of sometimes confusing and frequently contradictory estimates of the response of company-financed R&D to changes in the level and nature of this category of public expenditures. Yet, a theoretical framework seldom is provided within which the empirical results are to be interpreted. Some such structure is necessary, in view of the multiple channels through which public research can affect private R&D performance, especially as not all the effects flow in the same direction. A major cause of “inconsistencies” in the empirical literature is the failure to recognize key differences among the various policy “experiments” being considered — depending upon the economy in which they are embedded, and the type of public sector R&D spending that is contemplated. Using a simple, stylized structural model, we identify the main channels of impact of public R&D. We thus can characterize the various effects, distinguishing between short- and long-run impacts that would show up in simple regression analyses of nominal public and private R&D expenditure variables. Within the context of our simple model it is possible to offer interpretations that shed light on recent cross-section and panel data findings at both high (i.e., national) and low (specific technology area) levels of aggregation. 相似文献
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This article reveals different patterns of scholarly communication in the XML research field on the Web and in print journals in terms of author visibility, and challenges the common practice of exclusively using the ISI’s databases to obtain citation counts as scientific performance indicators. Results from this study demonstrate both the importance and the feasibility of the use of multiple citation data sources in citation analysis studies of scholarly communication, and provide evidence for a developing “two tier” scholarly communication system. 相似文献
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This paper is concerned with some aspects of database interfaces for casual, naive users. A “casual user” is defined as an individual who wishes to execute queries once or twice a month, and a “naive user” is someone who has little or no expertise in operating computers. The study focuses on a specific group of casual, naive users, analyzes their needs and proposes a solution. The proposed interface consists of a graphical display of a model of a database and a natural language query language. One of the unique properties of the database interface is that it allows the user to see local item names within the context of a global structure. The interface was then tested to determine whether it was acceptable to the user population and to discover the level of graphical model that the users would find most comfortable. 相似文献
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Bibliometric maps of field of science 总被引：2，自引：1，他引：2
Irina Marshakova-Shaikevich 《Information processing & management》2005,41(6):1534-1547
The present paper is devoted to two directions in algorithmic classificatory procedures: the journal co-citation analysis as an example of citation networks and lexical analysis of keywords in the titles and texts. What is common to those approaches is the general idea of normalization of deviations of the observed data from the mathematical expectation. The application of the same formula leads to discovery of statistically significant links between objects (journals in one case, keywords — in the other). The results of the journal co-citation analysis are reflected in tables and map for field “Women’s Studies” and for field “Information Science and Library Science”. An experimental attempt at establishing textual links between words was carried out on two samples from SSCI Data base: (1) EDUCATION and (2) ETHICS. The EDUCATION file included 2180 documents (of which 751 had abstracts); the ETHICS file included 807 documents (289 abstracts). Some examples of the results of this pilot study are given in tabular form . The binary links between words discovered in this way may form triplets or other groups with more than two member words. 相似文献
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M. Teubal 《Research Policy》1982,11(6):333-346
This paper summarizes the pilot stage of a microeconomic study of the innovation performance through time of young, high-technology Israeli firms. It reports some results for a successful firm designing, producing and selling electronic instruments and systems. The paper begins by surveying some of the difficulties surrounding the collection and organization of data on R&D projects. One of them concerns the definition of the ‘Unit for Analysis’ - the R&D project. Three criteria are suggested for dividing the stream for innovative activities into R&D projects, and these are applied to group the tens of products, accessories and systems included in the analysis into nine projects. The paper subsequently defines a measure of “direct” project performance or profitability estimate - discounted operating profits per unit of fixed costs - and provides estimates based on R&D and sales data for the products of each project. The final sections analyze the variation of project profitability through time. The increasing profitability observed across generations of a product class is attributed to the adaptability of the firm to changes in the environment, particularly to the availability of new technology which requires the swift design and sale of more complex products. The qualitative history of the various projects suggests that this adaptability is due, to a large extent, to the skills, infrastructure and reputation of the firm accumulated from prior projects, i.e. that the “indirect” profitability of the latter is high. Some estimates of the indirect profitability of early projects are presented. A comparison of the spin-off mechanisms observed in the firm analyzed with those observed in firms of other industries is also undertaken. 相似文献
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Giorgio Sirilli 《Research Policy》1986,15(6)
This article deals with the “teething, problems” of the profession of researchers in Italy.This group of professionals in fact has grown very rapidly over the last two decades, but they still seem to be striving to find their proper place in the organization they work in and recognition from society in general. At the same time they have acquired a sufficiently self-awareness as an emerging group and started claiming their own “rights”.The article examines some problems researchers encounter in their specific working setting (industry, university, public research agencies), such as mobility, status, and career prospects.Mobility within the Italian science and technology (S&T) system is very low and is essentially one way, from industry. the professions, and public research agencies, to university, This peculiarity is very closely linked to the high prestige enjoyed by university professors in this country. Moreover. recent laws concerning university teaching staff havede facto saturated the permanent staff, severely restricting both mobility to university and the intake of new blood.An indication of the self-awareness of the profession may he found in the mobilisation of researchers in public research agencies and their claim to their “ecological niche”.It is concluded that researchers, who may he considered a substantially homogeneous group, feel mature and numerous enough to demand the slalus and prestige adequate to their contribution to a modern society; it is also asserted that the delay in granting recognition is due to the organizations and institutions. 相似文献