concepts and models of human exposure
Tài liệu Concepts, Techniques, and Models of Computer Programming pot
... only scratches the surface of the programming concepts we will see in this book Later chapters give a deep understanding of these concepts and add many other concepts and techniques 1.1 A calculator ... Please send them and all other constructive comments you may have to the following address: Concepts, Techniques, and Models of Computer Programming Department of Computing Science and Engineering ... consisting of hardware, operating system, middleware, and application layers, each of which is based on the work of thousands of people over several decades They contain an enormous number of abstractions,...
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Concepts, Techniques, and Models of Computer Programming - Chapter 0 doc
... consisting of hardware, operating system, middleware, and application layers, each of which is based on the work of thousands of people over several decades They contain an enormous number of abstractions, ... Please send them and all other constructive comments you may have to the following address: Concepts, Techniques, and Models of Computer Programming Department of Computing Science and Engineering ... improved versions of Java) The kernel language approach Practical programming languages scale up to programs of millions of lines of code They provide a rich set of abstractions and syntax How can...
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Concepts, Techniques, and Models of Computer Programming - Chapter 1 pps
... with 64 MB of memory can handle hundreds of thousands of digits The skeptical reader will ask: is this huge number really the factorial of 100? How can we tell? Doing the calculation by hand would ... programming concepts we will see in this book Later chapters give a deep understanding of these concepts and add many other concepts and techniques 1.1 A calculator Let us start by using the system to calculations ... case L of H|T then {Browse H} {Browse T} end This displays and [6 8], just like before The case instruction declares two local variables, H and T, and binds them to the head and tail of the list...
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Concepts, Techniques, and Models of Computer Programming - Chapter 2 pptx
... structure of the statement A program that accepts a sequence of characters and returns a sequence of tokens is called a tokenizer or lexical analyzer A program that accepts a sequence of tokens and ... model of a logical theory This works well for declarative and relational computation models, but is hard to apply to other models Section 9.3 gives a logical semantics of the declarative and relational ... single-shot channels Chapters and show other types of channels (with sequences of messages) and concurrent composition of processes Copyright c 2001-3 by P Van Roy and S Haridi All rights reserved...
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Concepts, Techniques, and Models of Computer Programming - Chapter 3 docx
... Flatten of X|Xr where X is a nested list, is Z where flatten of X is Y, flatten of Xr is Yr, and append Y and Yr to get Z • Flatten of X|Xr where X is not a list, is Z where flatten of Xr is Yr, and ... instead of standard lists: • Flatten of nil is X#X (empty difference list) • Flatten of X|Xr where X is a nested list, is Y1#Y4 where flatten of X is Y1#Y2, flatten of Xr is Y3#Y4, and equate Y2 and ... for certain kinds of programs and a bad fit for others This chapter and the next examine the programming techniques of the declarative model and explain what kinds of programs can and cannot be easily...
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Concepts, Techniques, and Models of Computer Programming - Chapter 4 pps
... shared store Concepts We keep the concepts of single-assignment store σ, environment E, semantic statement ( s , E), and semantic stack ST We extend the concepts of execution state and computation ... declarative computation models that are possible with different combinations of laziness, dataflow variables, and declarative concurrency All of these models are practical and some of them have been ... this intuitively is by means of rubber bands Each dataflow variable has its own rubber band One end of the rubber band is attached to Copyright c 2001-3 by P Van Roy and S Haridi All rights reserved...
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Concepts, Techniques, and Models of Computer Programming - Chapter 5 pptx
... outputs and inputs For example, the output X of the first And gate is given as input to the Or gate Only the wires DI and DO are visible to the outside of the latch The wires X, Y, Z, and F are ... operation of the hypothetical lift control system of a building, with a fixed number of lifts, a fixed number of floors between which lifts travel, and users Figure 5.4 gives an abstract view of what ... execution by hand, following the flow of control in the floors, lifts, controllers, and timers For example, say that there are 10 floors and lifts Both lifts are on floor and floors and 10 each call...
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Concepts, Techniques, and Models of Computer Programming - Chapter 6 pdf
... input stack and an output stack • The implementations of both versions have to actions when entering and exiting an operation The calls of Unwrap and Wrap correspond to calls of @ and :=, respectively ... we defined the syntax and its translation into the kernel language, and then gave a proof rule The idea is to verify the proof rule once and for all and then to use it as often as we like This ... ways: either as a definition of a set of functions in the mathematical sense (the what) or as a set of commands for evaluating those functions (the how) As a set of commands, the definition is executed...
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Concepts, Techniques, and Models of Computer Programming - Chapter 7 ppt
... see the beauty of this design? With it, a figure can consist of other figures, some of which consist of other figures, and so forth, to any number of Copyright c 2001-3 by P Van Roy and S Haridi All ... classes (and all instance objects of these classes) The protected concept is a combination of the Smalltalk notion of private with the C++/Java notion of private: it has both a horizontal and vertical ... particular object and that can access the object’s attributes The method consists of a head and body The head consists of a label, which must be an atom or a name, and a set of arguments The arguments...
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Concepts, Techniques, and Models of Computer Programming - Chapter 8 pdf
... evolution of these concepts and includes some interesting intermediate steps that are no longer used Transaction Processing: Concepts and Techniques The final book is Transaction Processing: Concepts and ... is clear and precise and introduces the theory of transactions with just the right amount of formalism to aid intuition Unfortunately, this book is out of print Good libraries will often have ... concurrent transactions T1 and T2 where each one uses cells C1 and C2 Let transaction T1 use C1 and C2, in that order, and transaction T2 use C2 and C1, in the reverse order Because of concurrency, it...
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Concepts, Techniques, and Models of Computer Programming - Chapter 9 ppsx
... casual suit Soft picks a soft color and Hard picks a hard color Contrast picks a pair of contrasting colors (one soft and one hard) Suit returns a complete set including shirt, pants, and socks ... consist of expressions combining symbols such as p, q, r, and so forth together with the connectors ∧ ( and ), ∨ (“or”), ↔ (“if and only if”), → (“implies”), and ¬ (“not”) The symbols p, q, r, and ... computation model! A logical model consists of two parts: a domain of discourse (all possible values of the variables) and a set of relations (where a relation is a set of tuples) Each predicate has a relation,...
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Concepts, Techniques, and Models of Computer Programming - Chapter 10 pps
... that shows the advantages of programming with concepts instead of programming in models We start from the declarative programming techniques of Chapter and add state and concurrency exactly where ... procedures and unbound variables (for handler objects) Build user interface (interpret description to create handler objects and event thread) Window on screen Actions and handler objects Human user ... most of the key ideas underlying QTk but only shows a small fraction of the available widgets Structure of the chapter The chapter consists of four sections: Copyright c 2001-3 by P Van Roy and...
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Concepts, Techniques, and Models of Computer Programming - Chapter 11 docx
... (placement of resources, dependencies between processes) and the performance constraints (network bandwidth and latency, machine memory and speed) The large-scale structure of an application consists of ... definition of the protocol and a proof that it respects the language semantics are given in [201] An extension that is well-behaved in case of network and process failure is given together with proof ... point for the entity addressed by the ticket The Offer and Take operations Using Pickle and Connection, we define two convenience operations Offer and Take that implement this technique These operations...
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Concepts, Techniques, and Models of Computer Programming - Chapter 12 potx
... information and doing local deduction on it We give an example to show how this works, using intervals of integers Assume that x and y measure the sides of a rectangular field of agricultural land in ... search strategies and distribution strategies We will explain in detail the execution of a concrete example of a search engine on a small problem The definitions of concepts and operations will ... arguments a, x, and y, and propagates information between them In this case, the propagation is simple: the minimal value of a is updated to 90 × 48 (which is 4320) and the maximal value of a is updated...
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Concepts, Techniques, and Models of Computer Programming - Chapter 13 pptx
... pi and pi have the same labels and number of arguments, and the corresponding arguments of pi and pi are equal in σc For example, if σ ≡ x=x ∧ trig(x, y) then σ |= trig(x , y) This definition of ... that the semantics of most of the earlier models are subsets of it To make these subsets easy to understand, we distinguish three properties: concurrency, state, and laziness Each of these properties ... definitions of the abstractions The choice of which concepts are primitive and which are derived is often a matter of judgement For example, Chapter defines a port as a primitive concept and gives...
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Concepts, Techniques, and Models of Computer Programming - Appendices pot
... same set of features and the language references for each feature are the same The arity of a record is a list of the features of the record sorted lexicographically To display the arity of a record ... the following command from a command line interface: ozc -c Set.oz We can create a standalone executable Set by typing the following: ozc -x Set.oz (In the case of Set.oz, the standalone executable ... a binary representation as a sequence of zeroes and ones and atoms have a print representation as a sequence of characters Copyright c 2001-3 by P Van Roy and S Haridi All rights reserved 825...
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Báo cáo khoa học: Mechanisms and kinetics of human arylamine N-acetyltransferase 1 inhibition by disulfiram potx
... [27,28] The identification and characterization of the molecular targets of DS are of prime importance in order to understand the pharmacological and ⁄ or toxicological effects of this therapeutic compound ... reaction of cisplatin with the enzyme, thus supporting the suggestion that NAT1 could be an in vivo target of DS The human NAT2 isoform shares a similar structure and mechanism of action to human ... concentrations of DS in vitro and in human cancer cells Mechanistic and kinetic analyses indicate that DS reacts with the active site cysteine residue of NAT1, leading to the irreversible inhibition of the...
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Báo cáo khoa học: Folding and turnover of human iron regulatory protein 1 depend on its subcellular localization pdf
... particular property of human IRP1 The active participation of mitochondrial KGD1p is borne out by the lack of aggregates in a KGD1 mutant (Fig 6) and implies that association of IRP1 and KGD1p eludes ... consequence of the presence of unfolded or incorrectly folded human IRP1 This implies that formation of inclusion bodies competes with assembly of the [4Fe)4S] cluster in IRP1 In addition, degradation of ... case of human cytosolic aconitase These results emphasize specific features of human IRP1 among aconitases which may be associated with its exceptional regulatory function among proteins of the...
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Báo cáo khoa học: Engineering and characterization of human manganese superoxide dismutase mutants with high activity and low product inhibition potx
... backbone amide and carbonyl of Cys140 form hydrogen bonds with the backbone carbonyl and amide of Trp123, the side chain of which forms one wall of the active site cavity and the replacement of which ... due to a loss of the interaction between the side chains of Asn73 and Gln143 The X-ray crystal structure of hMnSOD shows that the side chain amide ˚ of Asn73 is near to (3.1 A) and possibly hydrogen ... the uncatalyzed dismutation of superoxide [32] A least-square fit of Eqn (1) to the data of Fig yields the constants given in the legend of Fig The values of kcat ⁄ Km and kcat for catalysis by...
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Báo cáo khoa học: Cloning, expression and interaction of human T-cell receptors with the bacterial superantigen SSA ppt
... clonal expansion of T-cells bearing human Vb3, Vb12, Vb17 and Vb19 [20] Others showed proliferation of human T-cells bearing Vb1, Vb2, Vb3, Vb5.2, Vb12, Vb15 and Vb17 domains and found differences ... Immobilization of the SAgs instead of TCRs yielded a higher binding constant of the former, which was similar for both complexes, wtSSA–Vb5.2 and SSA(C26S)– Vb5.2 Different concentrations of human Vb2.1 and ... hVb2.1hCb2 and hVb1hCb2 (genes kindly provided by U Utz and R P Sekaly, University of Montreal, Canada), were cloned between the NdeI and EcoRI restriction sites of the pET17b expression vector and...
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