... log as the most up to date ‘‘truth’’ about the state of the data on disk. The main difference is that database systems do not use the log as the final repository for data: a separate data area is ... purpose. The separate data area of these database systems means that they do not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space. The space occupied by the log in a database system ... The bandwidth of each of the five phases is shown separately. Sprite LFS has a higher write bandwidth and the same read bandwidth as SunOS with the exception of sequen- tial reading of a file that...
Ngày tải lên: 12/09/2012, 15:05
... in nature to a data manager which fails to free data, but is easier to detect and prevent. ã Data manager changes data. A malicious data manager may change the value of its data on each cache refresh. ... the cached data. The kernel uses the pager_data_write call in response, just as when it initiates a cache replacement. A data manager may restrict the use of cached data by issuing a pager_data_lock ... copy-on-reference of process data. The interaction of message and memory primitives can also be an important tool in the design and implementation of transaction and database management facilities. Work is also...
Ngày tải lên: 12/09/2012, 15:05
Báo cáo y học: " Implementation of a new emergency medical communication centre organization in Finland an evaluation, with performance indicators"
... this article as: Lindström et al.: Implementation of a new emergency medical communication centre organization in Finland - an evaluation, with performance indicators. Scandinavian Journal of Trauma, Resuscitation ... emergency medical call centre organization reform in Finland. Material and methods A retrospective observational study was conducted in the EMCC in East and Central Uusimaa, an area of southern Finland ... compared to the old municipality-based center data. Conclusion: After implementation of a new EMCC organization in Finland the percentage and number of high priority calls increased. There was a...
Ngày tải lên: 25/10/2012, 10:02
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... advantages are clearly explained. Wildi also presents the two types of induction motors: “the squirrel cage induction motor” and the “wound motor”. An explanation of the advantages and disadvantages ... induction machine is an electrical device. The electrical properties that are of particular interest to this thesis project are the stator and rotor’s resistance and inductance, as well as the magnetizing ... that is written by Mr. Marshall Brain. It provides a basic introduction onto how a hybrid car works. Within this article, the definition of the hybrid car and its potential advantages are stated....
Ngày tải lên: 27/10/2013, 23:15
Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc
... copy avoidance ã Overlapped IO ã Data scattering/gathering ã Speculation of next packet Protocol Buffer Protocol Buffer User Buffer Data New Data Experiences in Design and Implementation of a ... the flows have the same end-to-end link capacity – Otherwise, any flow will obtain at least half of its fair share ã Does not take more bandwidth than concurrent TCP flow as long as 6/10 822 ⋅≤⋅ SYNLRTT ... optimization ã Theoretical work UDT: Efficiency and Fairness Characteristics ã Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP ã Satisfies max-min fairness if all the...
Ngày tải lên: 15/01/2014, 15:59
Tài liệu A Case Study on the Implementation of A Knowledge Management Strategy Oriented to Innovation pdf
... & Case Study A Case Study on the Implementation of A Knowledge Management Strategy Oriented to Innovation Francisco J. Forcadell 1 * and Fa ´ tima Guadamillas 2 1 Universidad Rey Juan Carlos, ... via overall external evaluations and detailed self-evaluation. The efforts made at the company over this period have been recognized by the receipt of a number of national and international awards. (4) ... successful. Strategic change at Irizar: the organization’s mission and values The KM strategy implementation began at Irizar in 1991, a moment in which the firm was in a critical situation, having accumulated...
Ngày tải lên: 24/01/2014, 00:20
Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx
... facilitates memorization. 152 DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE Eric Wehrli Department of Linguistics U.C.L .A. 405 Hilgard Ave, Los Angeles, CA 90024 ABSTRACT This paper ... For instance, a translation system or any other type of natural language processing program that must be able to handle very large amounts of text necessitates dictionaries of substantial size, ... inflection. Halle gives examples of accidental gaps such as defective paradigms, phonological irregularity (accentuation of Russian nouns) and idiosyncratic meaning. From a computational point of view,'...
Ngày tải lên: 22/02/2014, 09:20
An Investigation into the Implementation of a Brewpub at the New Student Union Building docx
... (Agriculture and Agri- Food Canada, 2011) and $9921/tonne respectively (Kneed, n.d.). An average of 24 tonnes of malting barley and an average of 0.65 tonnes of hops are used to produce 1000 bbl of beer ... fertilizers and animal feed. In fact, waste grains have a lot of protein and fiber and actually work really well as healthy animal feed as well as being an effective fertilizer (America Brewer, 2007). ... positively as well as reducing disposal costs. Another alternative for wastewater treatment is to transport the waste water to the Iona Island Sewage Treatment facility via the Greater Vancouver...
Ngày tải lên: 08/03/2014, 23:20
The Design and Implementation of a Sequence Database System * docx
... object-relational database system Illustra [I11941 provides database support for time-series data along with relational data. A time-series is an ADT( Abstract Data Type) value implemented a& amp; a large ... Catalog Management: Each E -ADT can provide catalogs that maintain statistics and store schema information. Further, certain values may be named. Query Language: An E -ADT can provide a query ... Object-relational systems like Illustra [11194], and Par- adise [DKLPY94] allow an attribute of a relational record to belong to an Abstract Data Type (ADT) . Each ADT defines methods that may be...
Ngày tải lên: 16/03/2014, 16:20
The Design and Implementation of a Java Virtual Machine on a Cluster of Workstations pptx
Ngày tải lên: 23/03/2014, 22:21
Providing detailed guidelines for implementation of a number of articles of the law on enterprise
... main particulars: (a) Name and address of head office of the company; (b) Number and date of issuance of enterprise registration certificate; (c) List of shareholders or group of shareholders ... and fax numbers and email address (if any) of the converted company. 4. Charter capital of the converted company in the case of a limited liability company; number of shares and value of ... board of management and the director (general director) in the case of a shareholding company; all partners in the case of a partnership; and the owner in the case of a private enterprise shall...
Ngày tải lên: 27/03/2014, 10:15
Báo cáo khoa học: "An Efficient Implementation of a New POP Model" doc
... Formal Grammar. Charniak, E. 1996. Tree-bank Grammars, Proceedings AAAT96, Menlo Park, Ca. Charniak, E. 1997. Statistical Parsing with a Context-Free Grammar and Word Statistics, Proceedings AAAI-97, ... Evaluation of a Broad- Coverage Probabilistic Grammar of English- Language Computer Manuals. Proceedings ACL'92, Newark, Delaware. Black, E., R. Garside and G. Leech, 1993. Statistically-Driven ... training data. Then we slightly modify the PCFG-reduction in figure 2 as follows: A 1 BC (1/ai) ABC (1Iaa) A BkC (bklaj) A BkC (bklaa) A (cilaj) A (cilaa) A. BkCi (bkcilaj) A BkCi (bkcilaa) Figure...
Ngày tải lên: 31/03/2014, 20:20
Analysis and practical implementation of a model for combined growth and metabolite production of lactic acid bacteria
... accuracy of latter input values is also of major im- portance. Therefore, an adequate calculation method for the actual values of [LaH] and pH at each time point during growth is necessary. According ... growth and production kinetics can be neg lected. Application of the adapted model of Nicolaă et al. to the experimental data set of cell concentration N, total lactic acid concentration LaH tot and ... means of the experimentally meas- ured values of LaH tot and pH. Secondly, the remaining parameters are estimated on the basis of the complete data set, including the cell concentration data. As...
Ngày tải lên: 05/05/2014, 08:44
Control and implementation of a new modular matrix converter
... Vcap -Vcap+ Phase A Phase B Phase C Phase a Phase b Phase c V ab = Vcap V bc = -Vcap V ca = 0V V AB = -Vcap V BC = 0V V CA = Vcap -Vcap+ Phase A Phase B Phase C Phase a Phase b Phase c V AB = -Vcap V CA ... V cap −V cap − √ 3 3 V cap 0 −V cap V cap 0 2 √ 3 3 V cap V cap −V cap 0 V cap − √ 3 3 V cap 2V cap −V cap −V cap 2V cap 0 V cap V cap −2V cap V cap √ 3V cap −V cap 2V cap −V cap −V cap √ 3V cap −2V cap V cap V cap −2V cap 0 −V cap −V cap 2V cap −V cap − √ 3V cap V cap −2V cap V cap V cap − √ 3V cap 2V cap 0 ... V Phase A Phase B Phase C Phase a Phase b Phase c V AB = 0V V CA = 0V V ab = 0V V ca = 0V V bc = 0V V BC = 0V Phase A Phase B Phase C Phase a Phase b Phase c V AB = -Vcap V CA = Vcap V ab ...
Ngày tải lên: 13/05/2014, 00:55
Báo cáo hóa học: " Advancing donor management research: design and implementation of a large, randomized, placebo-controlled trial" pot
... 1:20 http://www.annalsofintensivecare.com/content/1/1/20 Page 7 of 9 RESEARCH Open Access Advancing donor management research: design and implementation of a large, randomized, placebo-controlled trial Lorraine B Ware 1* , Tatsuki Koyama 2 , Dean ... [17]. Total lung weight will also be measured. Rate of alveolar fluid clearance The rate of alveolar fluid clearance is measured in a rewarmed lobe of the excised lung after instillation of an isotonic ... shortage of organs for transplantation [1] and a plateau in the number of organ donors has been noted. Thus, new strategies to improve the quality of donated organs and rates of organ utilization...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Research Article Design and Implementation of a Lightweight Security Model to Prevent IEEE 802.11 Wireless DoS Attacks" pdf
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article VLSI Implementation of a Fixed-Complexity Soft-Output MIMO Detector for High-Speed Wireless" pptx
Ngày tải lên: 21/06/2014, 17:20
báo cáo hóa học:" Research Article Design and Implementation of a Testbed for IEEE 802.15.4 (Zigbee) Performance Measurements" doc
Ngày tải lên: 21/06/2014, 18:20