... items, there are 2d possible candidate itemsets Frequent Itemset Generation Brute-force approach: – Each itemset in the lattice is a candidate frequent itemset – Count the support of each candidate ... determine the support of each candidate itemset – To reduce the number of comparisons, store the candidates in a hash structure • Instead of matching each transaction against every candidate, ... (k+1) candidate itemsets from length k frequent itemsets • Prune candidate itemsets containing subsets of length k that are infrequent • Count the support of each candidate by scanning the DB...
Ngày tải lên: 15/03/2014, 09:20
... similar) to the “center” of a cluster, than to the center of any other cluster – The center of a cluster is often a centroid, the average of all the points in the cluster, or a medoid, the most ... point, the error is the distance to the nearest cluster – To get SSE, we square these errors and sum them K SSE = ∑ ∑ dist ( mi , x ) i =1 x∈Ci – x is a data point in cluster Ci and mi is the representative ... Details Initial centroids are often chosen randomly – Clusters produced vary from one run to another The centroid is (typically) the mean of the points in the cluster ‘Closeness’ is measured by Euclidean...
Ngày tải lên: 15/03/2014, 09:20
Endometriosis - Basic Concepts and Current Research Trends Edited by Koel Chaudhury and Baidyanath Chakravarty ppt
... endometriosis in other tissues derived from coelomic epithelium argues against this theory (22) 8 Endometriosis - Basic Concepts and Current Research Trends 5.4 Induction theory The theory of endometrial ... between the ages of 25 and 35 However, after menopause, there are two factors which may promote or maintain endometriosis One is the use of estrogen replacement therapy and the other is the presence ... outside the peritoneal cavity, as the lungs, skin, lymph nodes, and breasts Moreover, the presence of the disease in early puberty and exceptionally also in newborns further contrasts the validity...
Ngày tải lên: 30/03/2014, 19:20
chemical thermodynamics - basic concepts and methods
... Hoff, and others showed that the scope of thermodynamic concepts could be expanded into chemical systems and transformations Consequently, during the first 50 years of the twentieth century, thermodynamics ... which the basic concepts may be applied to practical problems In the treatment of basic concepts, we have adopted the classic, or phenomenological, approach to thermodynamics and have excluded the ... student in the application of the basic concepts to problems that are commonly encountered by the chemist, the biologist, the geologist, and the materials scientist The mathematical tools that are...
Ngày tải lên: 02/04/2014, 16:43
Wiley the IMS IP multimedia concepts and services in the mobile domain (2004) DDU
... in the 3GPP and the IETF for their great efforts in creating the IMS specifications and related protocols The authors would also like to give special thanks to the following who helped in the ... re-authentication Taking a new set of SAs into use and dropping an old set of SAs Request and response routing between the UE and the P-CSCF over UDP Request and response routing between the UE and ... registration and registration routing aspects 5.5.1 Overview 5.5.2 Constructing the REGISTER request 5.5.3 From the UE to the P-CSCF 5.5.4 From the P-CSCF to the I-CSCF 5.5.5 From the I-CSCF to the S-CSCF...
Ngày tải lên: 05/04/2014, 23:31
zeh. decoherence, basic concepts and interpretation(34s)
... throughout the book, the theory of decoherence is able to explain the apparent differences between the quantum and the classical world under the assumption of a universally valid quantum theory The attempt ... signalling and the like 14 Such superluminal “phenomena” are reminiscent of the story of Der Hase und der Igel (the race between The Hedgehog and the Rabbit), narrated by the Grimm brothers Here, the ... the measured system and the measurement device The observable (that is, the measurement basis) should thus be derived from the corresponding interaction Hamiltonian and the initial state of the...
Ngày tải lên: 24/04/2014, 17:13
plasma nanoscience. basic concepts and applications of deterministic nanofabrication, 2008, p.565
... use the building blocks (e.g., specific atoms or radicals) of the nanoassemblies as the “cause” and the nanoassemblies themselves as the “effect” Indeed, the building block” has been among the ... creation of building blocks of life is as important for the Plasma Nanoscience as the plasma-assisted synthesis of cosmic dust (building blocks of the Universe) and various building blocks (nanostructures, ... technology Even the 20–30 nm features the semiconductor market demands to be achieved by the year 2010–2012 find themselves on the other, “nanoworld’s”, side of the RBW Therefore, the strong socio-economic...
Ngày tải lên: 04/06/2014, 14:49
carbon nanotubes. basic concepts and physical properties, 2004, p.220
... Brillouin zone At the Rrillouin zone edges, on the other hand, states with k and - k are the same; m and -rn describe the same quantum number if m = O or m = q/2 Then the dimension of the irreducible ... clcctronic bands The Femi level is set to zero An unusual feature i s the crossing of the x valcncc and x* conduction hand a1 the K point of the Rrillouin zone The bonding a and antibonding o*bands ... with itself and the three atoms B11, B I Z ,and B13 Then HAA becomes constant, it reflects only the property of the A atom We remember that the ?r and ?r* band cross the K point at the Fermi level,...
Ngày tải lên: 04/06/2014, 15:05
ENDOMETRIOSIS - BASIC CONCEPTS AND CURRENT RESEARCH TRENDS ppt
... endometriosis in other tissues derived from coelomic epithelium argues against this theory (22) 8 Endometriosis - Basic Concepts and Current Research Trends 5.4 Induction theory The theory of endometrial ... between the ages of 25 and 35 However, after menopause, there are two factors which may promote or maintain endometriosis One is the use of estrogen replacement therapy and the other is the presence ... outside the peritoneal cavity, as the lungs, skin, lymph nodes, and breasts Moreover, the presence of the disease in early puberty and exceptionally also in newborns further contrasts the validity...
Ngày tải lên: 27/06/2014, 09:20
báo cáo khoa học: " Bridging the gap between basic science and clinical practice: a role for community clinicians" pptx
... or the clinical consequences of war, such as the rapid rise in the number of individuals with prosthetic limbs and post traumatic stress syndrome) Further, given their broad set of skills, the ... change between the early and the late interviews that is specified in Table The interview findings and the literature review informed the development of a model for a program to recruit and train ... the interviews, and a consent protocol The RAND institutional review board (IRB) reviewed these materials and procedures prior to the start of the interviews The one-page consent protocol that had...
Ngày tải lên: 10/08/2014, 10:23
báo cáo khoa học: "Bridging the gap between basic science and clinical practice: The role of organizations in addressing clinician barriers" pps
... were going to start a research business They walk in and anoint their office nurse study coordinator for the day They two trials and they look at each other and say, boy this is a whole lot harder ... Compass Lexecon, Oakland, CA, USA Authors’ contributions MB, GR, and KK designed the study and drafted the manuscript EQ, CB, ST, MC, and HP guided study design and read and revised the manuscript ... self-report interviews The RAND institutional review board (IRB) reviewed these materials and procedures prior to the start of the interviews Results The results of our initial interviews and literature...
Ngày tải lên: 10/08/2014, 10:23
Basic Concepts and Terminology
... Technology 1.42 Basic Concepts and Terminology §9 Block Diagram Simplification Solve the equation from step for the ratio of the output signal over the input signal The right hand side of the resulting ... and decrease • The result in I/O graph that forms a loop, and the value of the output for any given input depends on the history of the previous inputs • Notice the distortion in the output waveform ... Nonlinearity ⟹ Output waveform ? • Notice the distortion in the output waveform caused by the dead band Once the dead band is crossed, it has no further effect until the input changes direction again...
Ngày tải lên: 29/10/2014, 07:00
An analysis of the use of basic falling and rising tunes in some interviews from The Ellen Show = Phân tích cách sử dụng ngữ điệu xuống và lên trong một số đoạn
... understand and use these tones in communication - offer a helping hand in deciding the tone choice as speakers and understanding the message as listeners ORGANISATION OF THE STUDY The thesis ... tunes and the grammatical structures of the utterances Then, this situation description and analysis would lead to the identification of the gaps and the needs for the current study 1.1 THEOREOTICAL ... of falling and rising tunes and the possibility of the correlation between the tunes used and the grammatical structures of the IUs The features synthetized are presented in tables and graphs...
Ngày tải lên: 28/03/2015, 09:23
Design of CMOS receivers and building blocks for ultra wideband radio
... four blocks including baseband No matter what modulation scheme is adopted, the received signals are amplified by the LNA and VGA and converted to the digital domain by the ADC, and then the demodulation ... based on the proposed building blocks and some other available circuit blocks The two receivers achieve transmission rates of 100 Mbps and 50 Mbps respectively, and sensitivity of -85 dBm and -65 ... on design of UWB receiver building blocks for ultra-wideband application and their performance Blocks including multiplier, integrator, VGA and comparator are discussed Blocks designed by group...
Ngày tải lên: 04/10/2015, 15:44
Module 3: Configuring and Building with Platform Builder
... in the Platform Builder IDE, and then modify the files Then you need to build the platform again instead of just remaking the operating system image in order to incorporate these changes into the ... download the image to the targeted platform and run it With the Platform Builder debugging tools, you can debug the OAL, device drivers, or modules Module 3: Configuring and Building with Platform Builder ... generate the workspace for your new platform Module 3: Configuring and Building with Platform Builder Building the Platform Image Components of the IDE Status Monitor The Build Menu Build Complete The...
Ngày tải lên: 22/10/2013, 15:15
Correspondence for the Application Process and the Job Search
... with interest the continuing negotiations among the Cleveland Browns, the city of Cleveland, and the National Football League in the 90s Needless to say, I was enormously impressed by The Plain Dealer’s ... vitae and a set of slides, which describe the diversity of my photographic techniques, the equipment, and the materials I use in producing them Should you plan to attend the Art in Urban Landscape ... naturally affect the approach and the information you include in your correspondence, the negotiation strategies you use in obtaining and conducting interviews, and the general outcomes of the complete...
Ngày tải lên: 25/10/2013, 18:20
Introduction to the basic approaches and issues of Intrusion Detection
... defined by the criticality of the target and lethality of the attack, and the effectiveness of system and network countermeasures • Impact is calculated by the analyst • Delays in detection and reaction ... centers can raise the alert level in their sectors can raise the alert level in their sectors on their own on their own * *President can raise the alert level in all President can raise the alert level ... packets The target is well patched and maintained, and we are told that the targeted system is a Unix mail server What you think the severity of this event is? What about the impact? Could the attacker...
Ngày tải lên: 04/11/2013, 13:15
Tài liệu Appendix A. Getting and Building the Mozilla Source doc
... your environment is set and the tools are in place, building can begin Go to the mozilla directory in the source code and from there, run the make script (client.mak) with the necessary arguments: ... logging into the Mozilla site by using a CVS client, checking out the source code, modifying the source code locally, and then checking the code back into the tree Anyone is free to check out the code, ... the source code, check the tree status in the relevant Tinderbox Grab the source only if the tree is green (success) or yellow (building) Do not pull the source on red, which indicates that the...
Ngày tải lên: 26/01/2014, 07:20