neglect to declare and comply with the fact grain

... Mistake 4: Neglect to Declare and Comply with the Fact Grain  . . .  399 Mistake 3: Use a Report to Design the Dimensional Model  . . . . . . . .400 Mistake 2: Expect Users to Query Normalized Atomic ... rather update data to reflect the most current state Users of a DW/BI system, on the other hand, watch the wheels of the organization turn to evaluate performance They count the new orders and ... single fact table row Rather, they bring back hundreds, thousands, or even millions of fact rows at a time, and the most useful thing to with so many rows is to add them up No matter how the user...

Ngày tải lên: 24/04/2014, 16:10

... Washington, there are three to four people in the department with their own programs, and they compare their results “all the time” to make sure that they get the same results as VistaPH They use ... first tabulating data for City B (the largest in the state) and Town A together, then tabulating data for City B alone, and then obtaining the information for Town A by subtraction A similar example ... releases the same data to VistaPH and EpiQMS as to NCHS and others, so it benefits from multiple internal edits Because there are so many users, many people look at these data and urge them to make...

Ngày tải lên: 18/02/2014, 21:20

... copy of the CAN and mapping function tables is made The copies are chanEed to delete the data items which the user is not to know about The names of the restricted tables are then stored in the user's ... data items, and then express the query in a standard language (IL) A translator is written for each data management system in order to rephrase the IL query into the language of the data management ... be able to find the words that are used co talk about the data item, but when EUFID maps the word to a removed data item it responds to the user as though the sentence could not be understood INTERMEDIATE...

Ngày tải lên: 08/03/2014, 18:20

... below the cable) deals with fragments Zt i s m o s t l y selfexplanatory, as i s the absence of dsfiniclons from ¥-F and T-T (although some abbreviations used there fall in this category) and the ... Sentences with quantifier(s), e.g., "List the class of each cargo." 71 Sentences with conjunctions, e.g "What is the maxim, stow height and bale cube of the pyrotechnic locker of the AL?" 88 ... performance and user satisfaction System response times are a very important measure The questionnaire method can and has been used (in the case of MT and USL), but as yet there is too little...

Ngày tải lên: 17/03/2014, 19:20

... /*subsequent reads access the cache*/ Define Z = M - A to be the caching factor, i.e the difference between the cost to materialize the object and the cost to access the object from the cache This cost ... commands between the time that the preprocessor inserts then in the TODO relation and the time that the user executes them Hence, there is no performance penalty to our approach compared to current ... execute (TODO.command) where TODO.id = value To substitute parameters into such a command, one requires an additional operator ‘ with ’ to specify: execute (TODO.command with param-list) where TODO.id...

Ngày tải lên: 28/04/2014, 13:31

... propagation resistance and a uniform distribution of subband error The two mechanisms facilitate the significant normalization of subband data and a quantization scheme design with linear distortion characteristics ... Both nmax2 and Zbit are equal to The output sequence will be in Table 4, where the last three bits are used to represent the signed coefficients 3, −12, and −7, respectively Note that the eight ... Blocki to be zeros else {for j = 0, , zi − Get nmaxi bits to be arg 1; if arg = / Decode arg to be abs(coei, j ); else {Decode arg to be zero; Get Zbit bits to be arg2-1 and decode arg2 to be the...

Ngày tải lên: 21/06/2014, 05:20

... differentiation and competitive advantage LEGO® MINDSTORMS® NXT the smartest, coolest toy of the year” CERN Large Hadron Collider the most powerful instrument on earth” Embedded Devices and Machines ... some existing wells are depleted This system is to monitor the vibration during drilling to alert operator if drilling shaft is about to touch the existing wells System was developed by NI partner ... Monitoring Hardware-in -the- loop To for test and measurement what the spreadsheet did for financial analysis.” Industrial Control (PAC) Machine Control Electronic Devices Code Generation To for...

Ngày tải lên: 27/06/2014, 10:20

Ngày tải lên: 04/07/2014, 07:05

... breached, then the only database the attacker has access to is the database used by that host The attacker would need to gain access to other hosts or the central database server itself to access others ... allowed to use SSL to connect In most cases you'll use host mode and leave it up to the client to decide, but it is possible to enforce SSL should you wish to The Database field allows you to set the ... you want to run Stack Builder and invite you to click Finish to complete the installation Ensure that the box to run Stack Builder is selected, and then click Finish Figure 9: Completing the Setup...

Ngày tải lên: 12/07/2014, 17:21

... observation) The observer provides some information about the experiment, the dates and associated color codes HEa then introduces with the mouse the initial point of the 1st segment, all the branching ... initial and final points (X, Y); a link to the previous segment specifying the sequential index of the segment on which it is inserted; a running index which is the number of the root to which the ... the running index, in other words, to the root to which they belong; 2) according to ascending root order; 3) according to the distance of branching point from origin of the parent root (Dbase)...

Ngày tải lên: 09/08/2014, 02:21

... 'answer the SMS' menu button, to press a number between and for the number of days relevant for the answer, and to activate the 'send' button Ten seconds after the central server registered the answer ... the analysis of cost we added the SMST-Q license and the cost of the SMS The estimate of the cost for the same volume of questionnaires as the number of SMS sent to the patients is based on the ... obtained by the SMS-T- Q Each week for 53 weeks these questions were sent by SMS The patients were asked these questions only with respect to the last week, and they were instructed to use their phone's...

Ngày tải lên: 13/08/2014, 14:20

... collection of their data Their deployment will typically follow the following pattern: Sample sensors at the nodes Gather sensor data at the sink Store and forward data at the gateway They will then download ... simulations to study the general performance of the CDP, including retransmissions, and total protocol overhead (including lower layers) Owing to the randomness of environmental noises with TOSSIMs ... data sampling and communication The second component is the WSN sink and its code to collect all mote data and pass them on to the connected gateway machine The third component is the gateway system...

Ngày tải lên: 24/08/2014, 12:25

... be defined as the combined activities to keep the data set up -to- date and as supportive as possible to the user community It deals with obtaining new data, and entering them into the system, possibly ... bridges to be constructed, the total length of the tarmac, and the volume of rock and soil to be moved GIS can help to compute such costs on the basis of an up -to- date digital elevation model and ... done easily with the software The spatial analysis functions of the GIS are then applied to perform the planning tasks This can speed up the process and allows for easy modifications to the analysis...

Ngày tải lên: 21/10/2014, 10:09

... sensors • The capacitance of a parallel plate capacitor is d is the separation between the plates, A is the area of the plates, ε0 is the permitivity of air and εr is the relative permitivity of the ... parallel have the same voltage across them Ch3 - DAS 58 29 8/26/2012 Capacitors and inductors • A capacitor is an element capable of storing charge – The amount of charge is proportional to the voltage ... A mercury thermometer immersed into a fluid – What type of input was applied to the sensor? – Parameters • C: thermal capacitance of the mercury • R: thermal resistance of the glass to heat transfer...

Ngày tải lên: 24/10/2014, 12:20

... happen to mandatory security models 2.2 Mandatory security Mandatory security deals with granting access to the data on the basis of users’ clearance level and the sensitivity level of the data ... people who want to work on data and information security However, because the field is expanding rapidly and there are many developments in the field, we also have to keep up with the developments ... may have to be audited so that the system should be able to tell who did what, and when, and how More importantly, by means of auditing, unauthorized access to data can be monitored With the support...

Ngày tải lên: 13/08/2015, 10:01

... at the surface of the tape and be tightly held by the binder matrix They are, however, essentially considered as defects in the magnetic layer and further hamper the effort to maintain smooth and ... is the maximum in order to maintain the magnetic spacing Since the tape is always in contact with the head surface, adhesion of the coating to the head substrate is very critical; otherwise, the ... or amorphous forms Carbon atoms are able to form three different types of hybrid orbitals (sp1, sp2 and sp3) and therefore they can bond to each other or to other atoms in different ways 3.1.1...

Ngày tải lên: 09/09/2015, 10:17

... HBase, to store the real-time data cube and the microblogging data R-Store can handle the OLTP queries and update the tables according to the user queries In addition, these updates are shuffled to ... of the relations, say R, where the map task extracts the join key of each tuple and shuffles the identical keys to the same reducer, and the reduce task eliminates the duplicate keys and stores the ... query to a search engine, the users log into their social networking accounts and retrieve news, URLs and comments shared by their friends Therefore, in addition to the basic data storage and analytics,...

Ngày tải lên: 09/09/2015, 11:16

... values and web sites Dong et al [21] develop an approach to find the value with maximum likelihood to be the truth value according to Bayesian Theorem while they extend their approach in [21] to a ... Varying the Standard Deviation of the Random Error Running Time of the Methods When Varying the Standard Deviation of the Random Error Absolute Error of the ... of the data sources [57] Their proposed system provides a global schema as the queries for the users In order to answer the data integration queries, the system maps the global schema to the...

Ngày tải lên: 10/09/2015, 09:09

... based on the routing protocols [54] In either case, the nodes need to share local storage to maintain the indexes for the remote data Compared to the unstructured overlays, the index in the structured ... way BATON-Star [56] further optimizes BATON by tuning the fanout of BATON node to achieve better routing performance There are many other proposals on the overlays, and each is designed to either ... to the receiver of the query Then, after receiving the message, node E will search its own routing table and forward the query to its neighbor, F, which is also the destination of the query The...

Ngày tải lên: 10/09/2015, 15:49

... for the next revolution into ‘molecular era’ [4] is the ability to use the computer to perform extensive modeling of these systems to simulate their behavior as well as to vast data search and ... xi to modern chemical and biological processes Understanding the limitations of existing methods and developing new techniques and tools, necessary to solve the related problems Evaluating the ... for employing and expanding Process Systems Engineering concepts and tools • Understanding the limitations of existing methods and developing new tools/ techniques necessary to solve the related...

Ngày tải lên: 11/09/2015, 16:05