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Towards Instance Optimal Join Algorithms for Data in Indexes pdf
Ngày tải lên :
30/03/2014, 22:20
... is a contradiction D.5.3 Constraint Tree In this section, we present our main data structure, which we call a ConstraintTree, which we will use to efficiently keep track of all the constraints ... order (REO), there exists a constraint data structure, denoted by ConstraintTree, that can perform the following operations: A constraint can be inserted into the ConstraintTree in amortized time ... relation! 26 The constraint data structure The constraints and the constraint data structure becomes much more involved for the general query case considered here Every constraint is of the following...
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Breakthrough Thinking The Seven Principles of Creative Problem Solving
Ngày tải lên :
10/11/2013, 19:32
... dự trang bị cho “vũ khí” mà nhà tâm lý học đại chúng gọi “tâm lý tiêu cực” – phàn nàn, phòng thủ, lý bất hợp tác Bạn đo n ra, họp vạch kế hoạch bị gián đo n liên tục tranh luận gay gắt Họ tranh ... ứng dụng phương pháp thử -và- sai (trial & error), tập giải vấn đề lồng vào trò chơi để rèn luyện cho trẻ Nhưng tiếc phương pháp thử -và- sai lại áp dụng 40 vấn Đề kéo Theo vấn Đề thường xuyên vào ... phối hàng đường bưu điện – để phải đóng cửa vài năm sau Tập đo n dầu hỏa Exxon làm thâm nhập bất thành vào lĩnh vực thiết bị điện tử, cho thấy khả kiểm soát hoạt động yếu để xảy vụ tràn dầu kinh...
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Tài liệu Theory of Inventive Problem Solving pdf
Ngày tải lên :
10/12/2013, 03:15
... benefit results in increased harmful effects, a trade-off is made, but the Law of Ideality drives designs to eliminate or solve any trade-offs or design contradictions The ideal final result will eventually ... can be joined together to form any length needed Extraction a Extract (remove or separate) a "disturbing" part or property from an object, or b Extract only the necessary part or property Example: ... difficult to see d If such additives are already used, employ luminescent traces or tracer elements Examples: • • A transparent bandage enabling a wound to be inspected without removing the dressing...
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Tài liệu Art of Surface Interpolation-Chapter 5:Solving special tasks In the next sections there are examples of interpolation problems, ppt
Ngày tải lên :
21/01/2014, 07:20
... Fig 5.1: Map of sulphate concentration created using the ABOS and Kriging method 5.2 Extrapolation outside the XYZ points domain The extrapolation properties of the ABOS method was ... Model Diamo for ground-water flow and transport of chemicals Proceedings from Environmental Statistics and Earth Science, Brno, 1996 [12] V Onderka, M Dressler, STRAZ BLOCK GROUNDWATER POLLUTION - ... Interpolation with a trend surface, SurGe implements a special procedure enabling to conserve the extrapolation trend This procedure was implemented to the examined data with the result represented...
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SURVEY OF GYNECOLOGICAL PROBLEMS DURING CHILDHOOD AND EARLY ADOLESCENCE IN A ACADEMICCENTER ppt
Ngày tải lên :
05/03/2014, 13:20
... probes can be used transrectally (Estroff 1997) Transrectal scanning can be used in children and adolescents instead of transvaginal scanning The images obtained are superior to transabdominal images ... have very little training as regards conditions that affect the reproductive tract during childhood, since many of the conditions are rare Pediatric surgeons not generally have training in reproductive ... concentrates on problems, mostly in association with emerging sexuality, concerning all adolescents in every society throughout the world: menstrual disorders, sexually transmitted diseases, contraception,...
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Báo cáo khoa học: "PARASESSION ON TOPICS IN INYEZRACIXVE DISCOURSE INFLUENCE OF THE PROBLEM CONTEXT*" potx
Ngày tải lên :
17/03/2014, 19:20
... interaction i.e., discourse context (besides, of course, the information about the user) is essential for tracking the "topic" and thereby deter~nining the "focus" in the current question This is especially ... deep inferences and involve computations on the data base i.e., the answers are not obtained by a straigbtfor%mz~ retrieval process, etc NOTES: i As in the PLIDIS system described by Genevieve As ... descriptions and explanations about data base st-~ucrure For exa~le, by R Rammurri in hem talk on 'Strategies involved in talking to a foreigner' at the Penn Linguistics Forth 1980 (published in Penn...
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Báo cáo khoa học: "The impact of interpretation problems on tutorial dialogue" doc
Ngày tải lên :
23/03/2014, 16:20
... content Instead, regardless of the answer analysis, the system always uses a neutral acceptance and bottom out strategy, giving the student the correct answer every time, e.g., “OK One way to ... the problem the system uses the bottom out strategy and gives away the answer fective in task-oriented dialogue (Hockey et al., 2003), many of our strategies were not successful in improving learning ... frequency of errors was reduced between BASE and FULL for each individual strategy The reduced frequency means that the recovery strategy for this particular error type is effective in reducing the...
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Houseplants Proper Care and Management of Pest Problems pdf
Ngày tải lên :
24/03/2014, 02:20
... growth is evident Interstate Transportation of Plants If plants are to be transported across state lines, determine the regulations of the states en route to avoid possible transportation of harmful ... management strategies 13 Table Common foliar diseases of houseplants and management strategies Disease Anthracnose, Colletotrichum leaf spot Pathogen Symptoms and Plants Affected Management Strategies ... Rose & Flower Insect Killer X X X Bonide Hot Pepper Wax Concentrate X Bonide All Season Horticultural & Dormant Spray Oil, Sunspray Ultrafine Horticultural Oil X X X Bayer Advanced Garden 2-in-1...
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Báo cáo " Local polynomial convexity of union of two graphs with CR isolated singularities" doc
Ngày tải lên :
28/03/2014, 13:20
... (−a) = l−k a 2am−l al By the inequality (3) and the fact that f (z) = o(|z|m ), we arrive at a contradition if we choose the disk D sufficiently small ˜ Next we consider for a small closed disk...
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sachdev p.l. self-similarity and beyond.. exact solutions of nonlinear problems
Ngày tải lên :
24/04/2014, 17:09
... from Gasdynamics Exact Travelling Wave Solutions 4.1 Travelling Wave Solutions 4.2 Simple Waves in 1-D Gasdynamics 4.3 Elementary Nonlinear Diffusive Travelling Waves 4.4 Travelling Waves for Higher-Order ... hence, the ease of solution associated with it Hodograph transformations for steady two-dimensional gasdynamic equations and Hopf-Cole transformation for the Burgers equation are well-known examples ... course, imposes its own constraints, particularly with regard to initial and/or boundary conditions An example of natural coordinated is again from gas dynamics where the shock trajectory and particle...
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the ethics of killing problems at the margins of life jan 2002
Ngày tải lên :
11/06/2014, 02:12
... just the limiting case of organ and part transplantation.29 We accept that one could survive a heart transplant, or a kidney transplant, or an arm or leg transplant, and so on And one could survive ... person’s continued existence One could survive a brainstem transplant Next consider: The Cerebrum Transplant One’s cerebrum is extracted and transplanted into the body of one’s identical twin, whose ... cases The transplantation of one’s cerebrum into the decerebrate organism of one’s twin is simply a whole-body transplant together with a brainstem transplant If one could survive the transplantation...
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báo cáo hóa học: "Measuring the impact of health problems among adults with limited mobility in Thailand: further validation of the Perceived Impact of Problem Profile" docx
Ngày tải lên :
18/06/2014, 22:20
... difficulties in translating Westerndeveloped concepts from English into different languages is ensuring congruent meanings, particularly in the case of abstract nouns In Thai, the term 'distress' translates ... from the individual's perspective, and has been validated in an Australian sample [9] The initial validation of PIPP in Australia revealed adequate psychometric properties for five subscales ... was then translated into Thai, drawing on ethnographic data collected during early phases of the study, with the intent and precise meanings of terms discussed and pre-tested during training...
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báo cáo hóa học:" Hypertrophic non-union of a pathological forearm fracture secondary to multiple myeloma: a case report" ppt
Ngày tải lên :
20/06/2014, 04:20
... Central Ltd Figure Radiographic union of pathological fracture of right ulna at 12 months post-operatively tant issue not the tumour This was the indication for surgical fixation using the intramedullary ... diagnosed multiple myeloma on comprehensive therapy (abstract) Radiology 2001, 221(P):13 Duffy GP, Wood MB, Rock MG, Sim FH: Vascularized free fibular transfer combined with autografting for the management ... non-union The use of a reamed nail was in an attempt to achieve union Most recent radiographs demonstrate satisfactory progression of the lesion towards union (figures and 4) A month interval from...
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báo cáo hóa học:" Functional bracing for delayed union of a femur fracture associated with Paget''''s disease of the bone in an Asian patient: a case report" pot
Ngày tải lên :
20/06/2014, 04:20
... regeneration and eliminating further damage to the peripheral and intramedullary blood supply which occurs during plate and screw fixation and intramedullary nailing The success of this treatment suggests ... union of the tibia Ortop Traumatol Rehabil 2007, 9:259-263 14 Falez F, Moreschini O: The functional brace in the treatment of delayed union and non-union Ital J Orthop Traumatol 1988, 14:113-119 ... medical condition Recently, there have been some reports of good fracture healing with the use of intramedullary nailing [11,12] However, the latter is available only for mild bowing deformities In...
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báo cáo hóa học:" Measuring the impact of health problems among adults with limited mobility in Thailand: further validation of the Perceived Impact of Problem Profile" doc
Ngày tải lên :
20/06/2014, 16:20
... difficulties in translating Westerndeveloped concepts from English into different languages is ensuring congruent meanings, particularly in the case of abstract nouns In Thai, the term 'distress' translates ... from the individual's perspective, and has been validated in an Australian sample [9] The initial validation of PIPP in Australia revealed adequate psychometric properties for five subscales ... was then translated into Thai, drawing on ethnographic data collected during early phases of the study, with the intent and precise meanings of terms discussed and pre-tested during training...
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Báo cáo hóa học: " Existence results for a class of nonlocal problems involving p-Laplacian" pot
Ngày tải lên :
20/06/2014, 22:20
... T); u = 0, on ∂ × (0, T); ⎩ u(x, 0) = u0 (x), ut (x, 0) = u1 (x) P-Kirchhoff problem began to attract the attention of several researchers mainly after the work of Lions [1], where a functional ... lim|un |→∞ C ≥ J(un ) = M p ≥− |∇un |p dx − F(x, un )dx F(x, un )dx → +∞ as n → ∞ This is a contradiction Hence J is coercive on W1,p(Ω), bounded from below, and satisfies the (PS) condition ... (F3), we have F(x, u) ≥ L − C, for a.e.x ∈ p u∈R So F(x, u)dx ≥ L| | − C| | p Since L > is arbitrary, it follows that F(x, u)dx → ∞, as |u| → ∞, and so J(u)|WC = − F(x, u)dx → −∞, as |u| → ∞...
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báo cáo hóa học: " Strong convergence theorems for system of equilibrium problems and asymptotically strict pseudocontractions in the intermediate sense" pot
Ngày tải lên :
21/06/2014, 02:20
... asymptotically k-strict pseudocontractive mappings in the intermediate sense Comput Math Appl (2010) Sahu, DR, Xu, HK, Yao, JC: Asymptotically strict pseudocontractive mappings in the intermediate ... λ||x − Sn x − (y − Sn y)||2 for all x, y Î C and n Î N (6) S is asymptotically l-strict pseudocontractive mapping in the intermediate sense [3,4] with sequence {gn} if there exists a constant l ... y Î C and n Î N When cn = for all n Î N in (1.2), then S is an asymptotically l-strict pseudocontractive mapping with sequence {gn} We note that S is not necessarily uniformly LLipschitzian (see...
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