標題: Titlebook: Innovation Patterns in Crisis and Prosperity; Schumpeter’s Long Cy Alfred Kleinknecht Book 1987 Alfred Kleinknecht 1987 crisis.innovation.p [打印本頁] 作者: 有靈感 時間: 2025-3-21 18:51
書目名稱Innovation Patterns in Crisis and Prosperity影響因子(影響力)
書目名稱Innovation Patterns in Crisis and Prosperity影響因子(影響力)學科排名
書目名稱Innovation Patterns in Crisis and Prosperity網(wǎng)絡(luò)公開度
書目名稱Innovation Patterns in Crisis and Prosperity網(wǎng)絡(luò)公開度學科排名
書目名稱Innovation Patterns in Crisis and Prosperity被引頻次
書目名稱Innovation Patterns in Crisis and Prosperity被引頻次學科排名
書目名稱Innovation Patterns in Crisis and Prosperity年度引用
書目名稱Innovation Patterns in Crisis and Prosperity年度引用學科排名
書目名稱Innovation Patterns in Crisis and Prosperity讀者反饋
書目名稱Innovation Patterns in Crisis and Prosperity讀者反饋學科排名
作者: LAIR 時間: 2025-3-21 21:06 作者: 正面 時間: 2025-3-22 04:09 作者: Counteract 時間: 2025-3-22 08:31 作者: 一大群 時間: 2025-3-22 11:44 作者: 緊張過度 時間: 2025-3-22 14:03
Overview: 978-1-349-11175-6作者: Respond 時間: 2025-3-22 19:11 作者: 治愈 時間: 2025-3-22 23:30
https://doi.org/10.1007/978-1-349-11175-6crisis; innovation; pattern; patterns作者: Gene408 時間: 2025-3-23 01:56
BT 2010) – two of the partnering events of the Second International Mega- Conference on Future Generation Information Technology (FGIT 2010). DTA and BSBT bring together researchers from academia and industry as well as practitioners to share ideas, problems and solutions relating to the multifacete作者: 勤勞 時間: 2025-3-23 06:59
Alfred Kleinknechtitories may contain noise, which is a random error in data. Noise in a data set can happen in different forms such as wrong labeled instances, erroneous attribute values, contradictory or duplicate instances having different labels. The serious effect of noise is that it can confuse the learning alg作者: Temporal-Lobe 時間: 2025-3-23 12:17
ons with safe negation or inequality, which correspond to well-known classes of relational algebra queries. We provide a set of decidability, undecidability and complexity results for answering queries of the above languages over various classes of Description Logics knowledge bases. In general, suc作者: 火車車輪 時間: 2025-3-23 17:56
Alfred Kleinknecht in this paradigm that (1) have increasing expressive power, and (2) illustrate robust conceptual restrictions thus exhibiting interesting additional properties. These properties suggest that we consider our sublanguages as candidates for “query languages”. Viewing query languages as restrictions of作者: critic 時間: 2025-3-23 18:42
ies for implementing atomic data types. These two strategies place incomparable constraints on the conflict relations between concurrent operations resulting in incomparable synchronization protocols. Also, the conflict relations used are usually static in the sense that the algorithms do not use th作者: Contort 時間: 2025-3-24 01:13
Alfred Kleinknecht in this paradigm that (1) have increasing expressive power, and (2) illustrate robust conceptual restrictions thus exhibiting interesting additional properties. These properties suggest that we consider our sublanguages as candidates for “query languages”. Viewing query languages as restrictions of作者: 注射器 時間: 2025-3-24 03:38
Alfred Kleinknechtecial block-wise nested-loop join [2]. Independent of any cost function is the dynamic programming approach to join ordering. The number of alternatives this approach generates is known as well [5]. Further, it is known that for some cost functions — those fulfilling the ASI property [4] — the probl作者: Magisterial 時間: 2025-3-24 10:15 作者: Pert敏捷 時間: 2025-3-24 13:25
Alfred Kleinknechtl applications accessing data at more than one .. An important research issue in . is query optimization. The query optimization problem in . is quite different from the case of distributed database system (.) since, due to schema heterogeneity and local autonomy of component ., is not possible to a作者: FAST 時間: 2025-3-24 18:16
lean queries), and gives a meaningful definition of the expressive power of a query language in a single finite model..The notion of . of a boolean query language . in a finite model A is defined by considering two values: the Kolmogorov complexity of the isomorphism type of A, equal to the length o作者: 走路左晃右晃 時間: 2025-3-24 22:59
Alfred Kleinknechtries. One of the most important decisions in designing a data warehouse is the selection of materialized views to be maintained at the warehouse. The goal is to select an appropriate set of views that minimizes total query response time and the cost of maintaining the selected views, given a limited作者: Mercurial 時間: 2025-3-25 00:40 作者: archaeology 時間: 2025-3-25 03:58 作者: ACRID 時間: 2025-3-25 11:08
Alfred Kleinknecht given set of XML documents and a given set of XML queries over those documents. While there have been a number of ad hoc solutions proposed for this problem, to our knowledge this paper represents a first step toward formalizing the problem and studying its complexity. It turns out that to even def作者: Introduction 時間: 2025-3-25 13:13
fectiveness. In order to empirically evaluate these indexes, it is helpful to have methodologies for generating random queries for performance testing. In this paper we propose a domain-independent approach to the generation of random queries: choose randomly among all logically distinct queries. We作者: CLAN 時間: 2025-3-25 16:29
Introductiones, which are supposed to reflect regular fluctuations in economic life with a wave length of 45–60 years. According to the time schedule of the Kondratieff wave, the period from the 1890s up to about World War I, and that from the late 1940s to the early 1970s, would have to be considered as prospe作者: tinnitus 時間: 2025-3-25 23:22 作者: 閑聊 時間: 2025-3-26 00:13
R & D, Patenting and New Research Laboratories in a Long Wave Contexte whether our findings from Chapters 3 and 4 are consistent with statistics on the foundation of new research labs and with more commonly-used innovation indicators such as data on R & D and patenting.作者: 揭穿真相 時間: 2025-3-26 08:17
Putting Things Togetheric innovation’ has yet to be found. There are also problems with the determination of points in time of the basic innovations, and especially of the basic inventions. However, the possibility of a selection bias and doubts about representativeness have also been brought forward against the Mahdavi s作者: 射手座 時間: 2025-3-26 08:56 作者: 分期付款 時間: 2025-3-26 16:25 作者: 發(fā)生 時間: 2025-3-26 20:31
Patenting, Investment and Employment: A Cross-section Test for Dutch Manufacturing Industryether with the Gellman innovation sample as an indicator of follow-through innovations. We shall investigate the same topic yet again, now using Dutch data. As an indicator of follow-through innovations, patent applications in the Dutch Patent Office will be taken and then related to Dutch investmen作者: Inflated 時間: 2025-3-26 23:20
Radical Innovations, Follow-through Innovations and Growth: the Example of West German Industryr the relationship between innovation and growth patterns in a cross-sectional view. If the hypothesis is correct that the 1930s–1950s wave of radical innovations had a major impact on innovation and growth in the postwar period, then the following hypotheses should hold:作者: 暫時中止 時間: 2025-3-27 02:45 作者: 接觸 時間: 2025-3-27 07:49 作者: choleretic 時間: 2025-3-27 09:30 作者: 音樂會 時間: 2025-3-27 14:14
Introductionthe long wave, comparable with the long wave downturn of the interwar period. Clearly, if one were to extrapolate that scheme in a very simplistic and mechanistic way, it would be tempting to conclude that a new revival of the world economy will occur between the late 1980s and the middle 1990s.作者: artless 時間: 2025-3-27 19:43 作者: 腫塊 時間: 2025-3-27 22:43
Alfred Kleinknechtosely coupled approach to deal with noise. Our noise handling feature is in a separate phase from the tree induction. Both corrupted and uncorrupted data are clustered and heuristically selected prior to the application of the tree induction module. We observe from our experiments that upon learning作者: Frenetic 時間: 2025-3-28 02:54 作者: 確定無疑 時間: 2025-3-28 07:34
Alfred Kleinknechtifferences in expressive power that are not always based on complexity arguments, but use the idea that a query in one language may not be . expressible in another. Fourth, ideas of category theory can be profitably used to organize semantics and syntax, in particular our minimal (core) language is 作者: 蔑視 時間: 2025-3-28 13:07
to execute conflicting operations concurrently. Thus, the execution of operations is never delayed in the proposed protocol, however, the commitment of the transactions invoking these operations may be delayed due to the restriction imposed by the ordered shared relationship between locks. We also 作者: 抒情短詩 時間: 2025-3-28 17:18 作者: Nomadic 時間: 2025-3-28 20:02
Alfred Kleinknechtmarizing the intermediate result sizes has the ASI property. It further motivates us to restrict the subsequent investigations to this cost function called .. for which we show that the problem remains NP-complete in the general case..Then, we concentrate on the main topic of the paper: the complexi作者: 慢跑鞋 時間: 2025-3-28 23:44
Alfred Kleinknechtion process is organized as a sequence of steps, in which at each step all . work in parallel to evaluate the cost of execution plans for partial queries of increasing size, and send their cost estimates to the other . that need them for the next step. The computation is totally distributed, and org作者: 飛來飛去真休 時間: 2025-3-29 05:03 作者: 儀式 時間: 2025-3-29 08:03
explore some connections between the proposed Kolmogorov expressive power of boolean queries in these languages and their standard expressive power. We show that, except of being of interest for its own, our notion may have important diagnostic value for database query optimisation.
