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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
* l& l: S7 r- @6 H8 u0 Z0 _globals[
2 ]- E, B- H2 l$ m) Fxmax: O L7 a/ C3 B( G0 E
ymax
) a4 U1 d3 O% [2 @global-reputation-list
$ ^$ n0 t e6 R) h/ G2 }
) g) l ^/ Y+ D0 r- Q; H;;每一个turtle的全局声誉都存在此LIST中
6 `' Y9 p" E6 B1 w4 y1 `* i) A, Kcredibility-list
# X, N5 ]4 `3 n;;每一个turtle的评价可信度
2 }( t* v/ D0 r0 Q& Uhonest-service$ l: V$ x: T: n* \( [, t
unhonest-service
8 D" r- o B2 Z& {8 Foscillation; W/ W' F5 R, g/ Y( i' ^) R/ J
rand-dynamic
' h( {* @% R8 T Z9 K) a0 L]
- I( { _# O& x$ q0 a1 h" u) `1 |# I- |) o
turtles-own[
8 ]% G( i( `1 Ptrade-record-all
/ F x1 ~) d! i) R3 N; L5 t3 R4 |;;a list of lists,由trade-record-one组成
8 R) N! m+ _# ^' [# L# r8 ^& N$ Ltrade-record-one
% k( H) G$ X! T3 Z( ]3 Z;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 Y; L, B" {. H
- U; e( t$ u0 s* `: Y4 A;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]0 T) K. ~2 z0 L- X
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]7 r. v# j8 e) Q3 c& u/ V% \
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list2 \0 e0 X$ `( [- O
neighbor-total: G# R8 v, Q3 v3 `9 t
;;记录该turtle的邻居节点的数目
$ z0 r9 m. A' K7 z* z" |trade-time4 l m8 t" ~$ A( Y
;;当前发生交易的turtle的交易时间' g% o$ x( V8 S7 K
appraise-give
& A$ `9 R; s. N* o" ?;;当前发生交易时给出的评价0 H, M' H6 } k& g; L' i
appraise-receive3 U* u( Y5 M& [8 o
;;当前发生交易时收到的评价
2 c2 Y; J) {. v' Jappraise-time, P2 J+ N, T" m9 d/ t' p+ ]0 [8 Y
;;当前发生交易时的评价时间& t% _; D4 B5 |& i, r. a+ @
local-reputation-now;;此次交易后相对于对方turtle的局部声誉# Q; r+ x' g I, [
trade-times-total! R) R. c, J4 H, r9 M1 v) S
;;与当前turtle的交易总次数
" Z- }) N- o0 Q# Q8 S% N) @trade-money-total
) T# E5 q4 i o' M' ?; J- C4 w; A( ?;;与当前turtle的交易总金额
, _' }% H0 ~* r: Q: olocal-reputation4 x. U# g4 S+ t; k! N
global-reputation
# V6 H# ]! H6 h0 ? Icredibility
- N9 I4 x0 g8 \4 T, v8 u) C;;评价可信度,每次交易后都需要更新
5 y2 U. ~# I% s4 O( e0 m9 Tcredibility-all
5 \& d) X7 X- S) X/ q0 J$ Z' Z;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
& F" F# v- g/ ?+ Z. D; [1 m+ m! q; K4 v v8 x
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
3 s$ D& T0 m# W" z& X" W6 Ocredibility-one
) r/ o* H% G2 k# Y;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
; T* s7 z! E) k' N; Nglobal-proportion* |3 a7 c2 Y1 M r
customer
4 U4 H3 ~! K4 {7 Qcustomer-no
& c' f$ S, H& ^0 T( r; }1 qtrust-ok; L/ T$ q0 t; @' e0 }$ n, K% m
trade-record-one-len;;trade-record-one的长度' ~. r% [9 [& |4 v" ]/ v5 Y
]7 Z0 W& R3 G6 W, x
/ @5 n( B& B, a9 m# c$ n P4 U5 v( f5 @;;setup procedure" s; Q4 ?' V3 {
3 @- R; g7 ]; _9 R1 V4 r" [& lto setup( p* E0 s; P% O8 h" D
4 d% z1 f0 j4 c0 Y' [3 W
ca8 E7 s. {3 c! F3 W
* k" z1 t0 a: R3 h# Finitialize-settings2 ?* w9 m# Y3 x
; Z7 Q* q7 A0 d+ T/ r% P
crt people [setup-turtles]3 A9 P- p5 U# j4 z* l0 ?7 p
7 j4 Y" f6 \8 o4 n8 @+ q/ g
reset-timer' o6 q" \3 i3 O+ s7 H
: G0 N4 d% x. b/ I" {
poll-class2 B2 s, q) T6 e% F/ _8 @0 H! F5 `
& Z5 w5 g1 a& V m; [3 T( s) ~
setup-plots& p- v* s* E X; ]" U
- l: O; T: k: g8 X6 c, Mdo-plots( X8 X! @& j+ o( X% s, o1 W6 H
end
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5 \- \2 W9 x' H; K i& |to initialize-settings
8 M3 I: g3 ]8 I d% @* e: Y8 k' n4 v" _* [, ~4 f$ i+ E
set global-reputation-list []
# g+ R1 O, Q5 |: Z1 ^- _4 y4 Y
set credibility-list n-values people [0.5]. w8 v( f% z7 u' Q
) ] A- Q ^5 Nset honest-service 0
8 P. P0 ~3 G& F ^! \; q5 x1 Z5 t4 C& Q
set unhonest-service 00 a! G! ]( w/ j4 s. Y1 h5 H3 |, I
+ z* {9 G0 R9 b) W: c" C
set oscillation 0
( C2 w- Q" R- c+ \4 {! I; J7 ]1 m( R% [) \# g% N! d% J) D5 f6 j
set rand-dynamic 0
( T' L% X( h7 X mend
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to setup-turtles
% ^" Z$ _& ?! O- p' Mset shape "person"
g4 A% T& u' o0 y0 G& gsetxy random-xcor random-ycor
E3 Y' m1 j2 W" pset trade-record-one []3 B- `& b" t) W2 s" k) b
# u0 W9 g; D o- A. w& l# iset trade-record-all n-values people [(list (? + 1) 0 0)]
2 B- y* k0 }5 `
+ ?4 D/ T, m, o4 f, ^6 k2 x" Fset trade-record-current []- u2 Y/ d- j: t' x8 S0 C
set credibility-receive []+ V+ V8 i& B" x- p9 E9 ~4 U+ r X, v
set local-reputation 0.5
! H' v* f. J( S4 I: i; B# D. mset neighbor-total 0
4 A; e: v+ o0 M4 `$ jset trade-times-total 00 p# G2 H. o8 _0 Y5 J) S9 K& N" a9 O
set trade-money-total 05 J M8 W! I( h7 ]
set customer nobody
7 i. Y; m7 i/ v& o+ D" H ~set credibility-all n-values people [creat-credibility]
. S5 A1 I7 i0 ~- y2 C0 ~set credibility n-values people [-1]
) z" a" y0 M% e& u- v' ~- mget-color
5 Q1 r( x3 t; ~ Y* [5 H
* G6 j! Q% q: d# Gend7 g) E3 E" a7 X, G# e
9 @9 O+ K& ^2 V5 {# t* W3 Tto-report creat-credibility2 l: Y2 B9 l( _
report n-values people [0.5]& x1 I7 G( R8 L
end
0 f6 f) B: [' u# z; \: B6 k& F9 m0 h* n
to setup-plots! T; D4 S. w" B' i+ C# N
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set xmax 308 Q' j' J9 b; L4 x+ Q" l+ ^5 V$ \# U
" D% B% N) c/ w9 M5 w
set ymax 1.0# N: x8 F" i+ q. t! l
% l+ x4 B5 d* ^3 {
clear-all-plots7 b, h4 t* [& F/ J' k2 L
6 M: s7 u6 x) Vsetup-plot1
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setup-plot2
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setup-plot3( g! j5 F4 m7 `1 I6 y3 P
end
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;;run time procedures
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1 P! i$ D$ J3 E3 O* I$ Nto go
9 w. u+ O: {1 S8 E9 v8 }; m) A& J1 h9 b$ j- X
ask turtles [do-business]
" Z: G( ]9 S) ~+ L, M' \: Fend
! { [* { E$ ~& f- K
1 k: I. X2 }2 e# y6 zto do-business : Z/ j7 z7 i" S6 w. t
5 N% P/ s: y' o7 q! j3 _. Z0 q7 E+ Q& ]' F+ J; F) g0 y" x
rt random 360
. i4 _% D7 R# C$ F1 _1 j0 I6 A0 |8 f6 |5 q8 }
fd 1" U* ~& r1 a% I# R# F) Q$ z
: f9 r+ h9 k; |# z7 [ x, Cifelse(other turtles-here != nobody)[
+ |, h* t4 Z" L$ ]3 D% l
, \" g3 o. r; K9 ]! f+ B& L# S( N% wset customer one-of other turtles-here
- }$ a/ z) M, G& J) K( S0 C
' Z# J& A2 G6 S7 ?$ b;; set [customer] of customer myself
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V' Q$ c; O* {' _2 Dset [trade-record-one] of self item (([who] of customer) - 1)
( s* I6 b3 v0 B \# z) W* k6 Q# P[trade-record-all]of self1 s; o" e2 |7 B6 t
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: D% i: Q) h$ e: ^/ Y! a2 r
% k; ~& u; ~& A' s. z
set [trade-record-one] of customer item (([who] of self) - 1)8 }7 e" n) U& @2 O1 {
[trade-record-all]of customer
/ i' ?. [; q6 T7 v% y
# D" c6 M0 c) o, [- `; L8 m& r7 sset [trade-record-one-len] of self length [trade-record-one] of self
+ N. T; R6 S( B+ A6 I- J& K( D8 Y+ }1 [/ j- A" ?( b
set trade-record-current( list (timer) (random money-upper-limit))1 S- P, R D [' }& A
% M, K f2 ], g
ask self [do-trust]
8 e L- X( n# }4 m;;先求i对j的信任度
- x. i% F1 r. l& ~! a. w$ K- h& x- i
if ([trust-ok] of self)% R0 p7 y( q a# g9 c: L
;;根据i对j的信任度来决定是否与j进行交易[" r+ G0 I% h X. W I; f
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 W$ T6 }! m M
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4 g- {" ^2 K% I( o- S
do-trade, x4 X) r7 a% j# P h/ m
3 w! A7 `8 |$ {
update-credibility-ijl1 p* k* m, h9 _! A& F
: U7 Y% q z, E0 r8 N9 jupdate-credibility-list
" m1 x F( K2 r4 m; Y4 c2 D. `" r1 H. a: V% h) I# w
! C: t% S9 l N5 c6 \5 D* U8 P& M
update-global-reputation-list- s- }2 D' e- n; n! ?; F p6 M
- a! J% a1 g9 D, g! N
poll-class
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get-color* L# g% D( }0 O3 z9 Z+ z
, @" q. } [% ]9 z# b# j, }; {, z* S# N
]]
, C$ g; f. `3 G+ t0 j
9 V' o7 i ~2 _/ K( K! A% `;;如果所得的信任度满足条件,则进行交易
" N$ D4 |7 B# k) h7 u
( R3 u+ Z7 k3 M- \3 r' g% d[7 H; Y/ R5 a+ r1 m
8 u9 n8 L) v/ h& U* K: B+ d8 l0 Jrt random 360% b6 J3 f- S4 T: O, i5 I) T8 N! {
; \8 N; \: `8 Bfd 1
* H/ M7 P: G: w. Q# f" S. }/ b
; [/ O' b1 H2 n6 u7 ]/ N]! J4 _2 L; V" m; T3 v) Y
" ?& i9 L9 K; \
end1 H+ n& @& D# n, P; I+ _9 Y$ V2 [
\7 m O Z6 p# w1 [
to do-trust
5 A$ e0 @( q+ {$ E+ H& m: Aset trust-ok False; ~0 P' t( |% |' V, o
( Q" g) U0 N4 h4 I, Q1 f- l# H0 u9 @! L6 T
let max-trade-times 00 a; c }4 t1 S
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 Z. ], K2 o9 e
let max-trade-money 0
2 o, T1 O! g5 n6 M% jforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. z; J: b; U+ P9 |; D- F
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))+ _9 z3 B7 S6 R
/ ]) b& c" |$ ]/ ~- L7 b
0 R+ r- e. ^3 I
get-global-proportion
7 [: Y$ x$ Z5 h+ g# Zlet trust-value/ i! K8 h) S2 q4 d1 V" O) ?
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
; d2 m7 x, J8 Q' s; \3 Y# sif(trust-value > trade-trust-value)4 F( c) j- [9 X# c$ J; x4 [ C
[set trust-ok true]; ~7 f: H* c, Q; ^' m- G
end
% S# S$ {" ]/ J$ ^) @
& h# v' W" o$ y% k5 Oto get-global-proportion. g! \ g2 ?: V6 }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 U& U0 P. y) z[set global-proportion 0]
9 q9 `" d9 n' b) U9 J[let i 0% O7 V" _" ^/ s. M
let sum-money 0" M+ T: I6 Q9 e# X A4 n
while[ i < people]
2 Q4 A6 N( X6 v+ X[
$ I: A# t& m) S& p' T8 H! `if( length (item i8 V" z5 ~( W" y4 l
[trade-record-all] of customer) > 3 )# P% b( q2 j- ]+ e
[0 `0 X( @9 R. f6 V% z. y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
: p# k+ N" F2 G+ c+ u" `" J]2 Y9 T2 R6 v8 X
]6 N. o$ P- Y9 ?8 L q+ N6 E1 M
let j 0$ x* A3 F# c# l# s( U
let note 0! M A8 ]0 Y* U, P1 ~/ F
while[ j < people]
3 Z( O6 i" F9 m% k[
4 _' t. q6 h# F' `if( length (item i
* @2 u+ O7 W& Z[trade-record-all] of customer) > 3 )
& m& S3 _: n7 f6 w[0 ^1 J7 ~7 H9 r: ?' _8 X* w
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! u |' F S! C6 e$ |
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 T. D+ g+ b! A7 c0 P" _' t. r2 S
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( d% d& ?6 y7 Z2 o/ }
]
/ s* U6 s0 y5 F# T' a$ G O: G]
8 Y1 f; O4 P# X3 d! Dset global-proportion note. k* M: ?9 B `3 M/ ?
]
l4 R) P: w; c5 ^& _) [% q9 Z8 A! wend
# S# s% ?- s4 ~/ @* J) m
1 } x, _0 ^& l% e; h; N3 Q1 i0 |: Bto do-trade
8 d1 g2 v4 }" L) U$ z; W; [7 \;;这个过程实际上是给双方作出评价的过程" ^9 H* Z7 n a0 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& N2 s% m+ D' a, c% C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* ^& L" ?/ ]- Z. Pset trade-record-current lput(timer) trade-record-current# Z: p3 U$ C0 l2 c8 ]! B
;;评价时间
* A& c2 c! J/ q2 {4 {, \+ u; Qask myself [- e. L D6 u$ M- T( N' z6 c
update-local-reputation! |& m5 [! }8 N/ j& ~, A
set trade-record-current lput([local-reputation] of myself) trade-record-current* Y9 ^+ F* _2 z# k. \% ?
]0 }7 Y0 J' e* _' h
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( G) ]2 h {3 [: w;;将此次交易的记录加入到trade-record-one中+ [" i# u6 u" R. b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( R# J8 A! u' x6 p
let note (item 2 trade-record-current ), Z3 `) M( ]) {1 V. W
set trade-record-current
9 |: \6 P7 b6 g# [; k$ f(replace-item 2 trade-record-current (item 3 trade-record-current))* Z. ~6 Y$ \! z8 \; u# `
set trade-record-current* K9 H; v. q* p# t
(replace-item 3 trade-record-current note)% I: Z8 _* L. w$ X/ z( J; l
9 r- d1 v7 r6 P/ d. h& }9 f \1 O: F& P
ask customer [
( u3 [' T% h' Wupdate-local-reputation6 N) N9 A; P {$ g
set trade-record-current
* w+ s: P$ B. G* Z% n, g" V(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' P# d0 U, ?' G' j; X/ b" b
]
1 g) ^; f8 u: K. [! x5 ^) H+ x# k
c% s" m4 \& p6 j2 v/ ]7 n0 M! T% j# K! n5 L, u$ ~/ Z+ ]: l
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 Q& ?6 {6 L" ?1 B# g( `1 Y- @3 x* W: a6 l
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)); U7 T/ r. D# K1 ?9 f; K+ r# e* t
;;将此次交易的记录加入到customer的trade-record-all中
* s/ s* [2 P$ `8 uend( a( A- j( v6 {
+ s. B" S/ n+ H2 E N5 s4 p
to update-local-reputation
# S5 B8 ?/ F6 J7 s2 _' E# ]# rset [trade-record-one-len] of myself length [trade-record-one] of myself
. g8 z( [. m0 c* J/ U8 w& M" L3 Y1 x1 l
# v* v1 s8 J& y8 G4 X% O. y1 ~7 c
;;if [trade-record-one-len] of myself > 3
( k$ L e( R+ `* F) z/ |update-neighbor-total
: q+ Z" L+ p3 D @;;更新邻居节点的数目,在此进行* a. T% A, E. m0 d8 q# o" a
let i 3
$ E" x( y9 {8 n4 V& G+ e. R% a. F Nlet sum-time 03 x! E- j& p9 \1 g6 p: i
while[i < [trade-record-one-len] of myself]+ j: Q$ v1 a/ n/ L
[9 V* t5 z1 M% F/ K- s* s
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )0 E7 }$ J- A, @4 @3 G: D# b3 W
set i
0 O' i2 l0 [0 |" S$ Y( K8 `. L( i + 1)
" y% O, C* U9 l7 s' s]2 Y' z. y4 A- X( z9 _3 x8 W
let j 3
# t7 U9 |; K. `0 ~- r5 f' Olet sum-money 0# }3 r) O, n6 a& K
while[j < [trade-record-one-len] of myself]& I. c% Q4 _; `1 r# C6 c9 R
[
; O' ]+ Q7 D5 @set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time), K& C9 q6 t3 d1 [; h+ |
set j
- ~0 ]4 o8 R& n' V( j + 1)
% J/ x/ n4 v5 t: A1 v2 {: o/ I]
# u7 ^' p/ t4 M% U0 ?; T5 E* s, v# g( klet k 3 S5 _5 ]: v) m* J' Z! }* H( P
let power 0
! v7 Q' C8 y: D# ?* V+ e' J1 [- Xlet local 0$ |2 U5 J+ p1 a$ x, }
while [k <[trade-record-one-len] of myself], T9 v8 b5 v6 `8 ]4 D
[6 Y9 }5 x4 } l5 M% X
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) - `1 Y* }! U$ v
set k (k + 1)/ f" U( v, D8 [" w' g' }; P
]
, P1 C6 N7 q8 d% ~set [local-reputation] of myself (local)5 P+ C8 v) j! L9 u1 `/ V, \
end( X. K- c7 T0 @1 E8 \# V
* s, D9 n& J) T8 g5 Uto update-neighbor-total
# b, N, L- ?* s) N; t" r. N1 v+ _. n$ b+ S
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ b7 t0 J: Q1 x1 M y8 M- d5 v. a- |: k' b; R5 Z- k. o8 x
4 w4 ~( c: K! w4 J" k( G" I1 I( Uend
, P6 k" `9 j$ s' r. n
$ m' n! K( N/ d. f% w' Q& R* L) {4 dto update-credibility-ijl 9 Y- p- z' X6 A7 s
) O% ^5 z7 n3 y- R- I4 i;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
; H7 h1 y, q2 Y5 P* o* o' ?0 slet l 0
( M! U- b0 w# V' N% ~6 Qwhile[ l < people ]. E. ^8 Z' S3 q! V
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价! i0 r: S1 s# U: r
[3 L! F: D- g) S) H, c
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
+ w. W- H; J$ { Y1 E; _+ w1 E Lif (trade-record-one-j-l-len > 3)
6 T- M0 i$ d. ?+ s# g3 r[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one% F0 M8 l9 A" f3 a
let i 3
/ g9 e5 J% c, `. K9 g: slet sum-time 0/ h9 F4 |. q# l8 E, ^1 `% D! ] y
while[i < trade-record-one-len]
( ~( V- _- p8 |9 | N2 ~: O7 q[& d4 i5 h5 F1 J2 F
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" b$ ?# N6 x2 aset i
! I( s( n: b" Z8 @: ~, N. M( i + 1)8 \: l9 b0 g ]7 G9 J; z- W( t3 a
]
6 \& k# @2 I* o5 _* J3 rlet credibility-i-j-l 0% `+ |8 o( z/ u
;;i评价(j对jl的评价)% a+ L4 W5 O, P# ` {
let j 3
' e" z) [4 e k5 e* T+ ~let k 4. Y# X4 Q( i; p# Z
while[j < trade-record-one-len]4 R: g0 I8 k+ K5 f( P
[
1 p( S4 ~6 Z% D' cwhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
! M: ]1 [6 c' s% J7 i) Q nset credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
+ N- }$ f+ ?1 X3 G( R ]& iset j4 f9 j( f6 v" V# J7 s; M, p) E
( j + 1). G( s/ |3 P% {0 R. s& f
]3 R* w2 S( Z' ^; B2 j2 H5 Y/ S
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))/ J9 C7 i, _% M' [) O$ v1 ?
1 f1 a7 p# Y9 s' q" Y+ w- ^
) z$ M/ }2 F8 R( N& G) h
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! j- y& R$ k# M5 G;;及时更新i对l的评价质量的评价* q' B* q8 t6 C+ o) y
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
/ }' p: m$ y5 {, r9 @9 j, yset l (l + 1)$ t* `( W( y/ v- e! y6 b
]$ u; }( u( i8 w; P
end
! \$ q) [3 s! u; J4 k, x2 T" d) E2 [7 B' e; _- H* `8 J
to update-credibility-list
2 h1 M* I5 `# r3 y; f+ V O* K5 mlet i 0
( T6 v \& }9 u1 Uwhile[i < people], t2 A. B8 R3 c. \) ]; J* x! [
[! ^4 k* w' S& G: v* V) m9 q0 P
let j 0# H6 m) A! k* r3 M2 {
let note 07 a0 q0 y. s/ R0 b6 |( R2 }
let k 0: v$ {, m/ c- `- n) b' i
;;计作出过评价的邻居节点的数目
% [+ h4 [6 y+ |& H4 P) t j: Rwhile[j < people] x# z- W7 f% @6 f
[' i9 b+ ^/ J2 v9 m6 m2 f w
if (item j( [credibility] of turtle (i + 1)) != -1)
- B* O: v) n5 [( M" K, ?; k;;判断是否给本turtle的评价质量做出过评价的节点% e. u7 L8 W& j0 g
[set note (note + item j ([credibility]of turtle (i + 1)))- {+ R* M6 h% v7 {3 w. C8 B& K
;;*(exp (-(people - 2)))/(people - 2))]. `7 o0 k0 f9 S1 l4 C8 B; {7 ~
set k (k + 1)
0 {8 D X; U2 c], v6 o' n& S/ m# _! r& ?
set j (j + 1)
. j" d% O$ ] D) r4 N& m]
" g B! r r6 ^0 r1 Eset note (note *(exp (- (1 / k)))/ k)5 d* s6 a- [5 [: D% l
set credibility-list (replace-item i credibility-list note)
4 v( t0 a5 `9 I' _set i (i + 1)
' f6 m6 {2 s- Y5 G' s5 k]. \% \, f- M7 ~& i
end/ D8 C# d6 |3 Y$ R& V
6 X5 {# o1 |* T4 G# Y$ a2 ?
to update-global-reputation-list J9 v0 F) K; F
let j 0
' ? H& y$ A; _- P" w9 o+ @4 V/ Nwhile[j < people]+ ]0 J$ f" ^: i. h% f( Z0 O0 y- w
[
8 a' b0 p) d4 K" {let new 0
}" p W$ l$ n- _* a9 Q* y. p;;暂存新的一个全局声誉
2 t2 _+ b( m+ Y% A) Slet i 0/ ~6 @5 }. p% }9 G. L; E' q
let sum-money 0" ~) ` F! O: Q* K# ?( |1 \ }
let credibility-money 0( S4 d1 _' S* N) c5 y" I) s
while [i < people]
7 b# }" ?3 G8 Z8 A; B) \[
) g. ]7 V" M) N- {1 Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))& i B3 ]: H% d' `* k6 g
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; C2 p5 X: J1 G: \0 x# h' @' \set i (i + 1)2 _+ e# \: c3 s8 ]7 B& _
]
9 B4 v+ N4 |8 ]let k 0; s" _. i d3 f7 x; g+ |
let new1 05 v& l9 B# k) Y1 j* k H1 X. \
while [k < people]
' M* |. K% L+ N4 E( V# C6 ?) p[
% B& m o) i5 _# @, E% P6 p8 rset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)2 K1 |! e0 J( R' Y& ~" R" ~9 l0 f
set k (k + 1)8 ^; `0 V$ c% |
]9 f! u# u3 R0 J) t, O- Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, @7 y. {, T/ \- e) K0 ~. {set global-reputation-list (replace-item j global-reputation-list new)
' i. W2 S) `3 R% `2 n8 mset j (j + 1)
* s& H$ U+ z; Q) r, {1 ?% ~. l]5 h' x) A4 m6 E- S" j% ^6 W
end6 B/ X# U6 i% r& B
' K" D4 ~ z! j( h5 P/ a' |' S/ j
E9 ~/ E$ R$ n- i" @5 d m. ^, o! ?+ f9 U) a7 E
to get-color
5 ] x5 \) Z) K/ H) N' F/ @$ g+ T( I3 d8 M1 J& c" u- W9 s( e* P
set color blue* D& J" C! t1 `$ R) `
end
) {. Q1 |( E# C6 |
# S6 W+ z9 t9 }) e6 l1 kto poll-class
- w8 R1 y( C& ?end
p. c; P+ `; H; [7 t2 Y( `8 a
to setup-plot1
: v% G0 t3 [* Z# h3 E! I; r f2 L+ O! B0 R( Z7 q; g9 w3 M
set-current-plot "Trends-of-Local-reputation"& L4 h) J1 p8 K0 K$ I% A
$ c; V% o i# c8 T+ h
set-plot-x-range 0 xmax
, {6 S& P8 |8 u S7 f. w! F/ p$ z9 @% L1 L4 N3 J7 ~3 ]6 k
set-plot-y-range 0.0 ymax
$ o. h# e' j+ f, f7 t( z) Nend
2 y! W- g' l/ ]( X, v
* i: m% d9 _% ~! o$ qto setup-plot2
" N/ j! w* r) @+ @4 ]4 _/ d/ R& \9 K& E& I! j& ^2 l! v
set-current-plot "Trends-of-global-reputation"
$ `. O" b( d7 d/ l4 q4 o
1 B$ b1 S' K! p3 i, _; ~. }: q6 eset-plot-x-range 0 xmax
. G8 d' s: K. |2 j* Y0 @# ?: Y
; S/ Y8 b7 d0 Y! u3 z7 g( l3 lset-plot-y-range 0.0 ymax
2 t/ D* Q- O# o' Yend
' Y( \8 k) _! }) M$ Z
( |2 m E8 C* Kto setup-plot3
. ^2 U8 M& }$ D2 O8 L
& c+ w8 ]6 H# a u! e1 g! nset-current-plot "Trends-of-credibility"' l( Y+ f3 W+ C
/ h: d7 ?; w4 ^" I( y9 wset-plot-x-range 0 xmax
# Z P Y7 R4 S9 x7 V0 b( y; ~( g$ R/ u1 u
set-plot-y-range 0.0 ymax9 X7 p0 F" I2 y4 N) g3 ^( {. @
end- i! S- u! i7 c# t, _
W7 E5 L- k2 K# yto do-plots6 @/ g' B) v* R+ Q+ q
set-current-plot "Trends-of-Local-reputation"
}% l- I8 f0 R8 V' A$ Fset-current-plot-pen "Honest service"
7 J, v: x3 l; k) }5 Uend
. ^' H1 _3 F: ^8 `- V7 F$ e. @2 k0 e
0 q' v u1 \9 a: ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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