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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
" v+ Y: b; w! h$ n& x* P5 E! A' Pglobals[- a Y9 V* j* w3 }4 n" j
xmax& R- i3 S5 m# V# v! W2 e. f
ymax
' U' O* _: N% l% N r7 z9 t( B: [global-reputation-list
2 I5 ]% ~. [$ h% }/ g9 ?; n4 q6 T; v9 J
;;每一个turtle的全局声誉都存在此LIST中
$ q7 T; r# L, t1 tcredibility-list
. ^" J0 d0 X: Q2 Q& R;;每一个turtle的评价可信度
# w1 e/ K, T4 `1 z( A3 j' U- [honest-service. K/ j' J; o& m
unhonest-service1 w4 s5 F% s' @; I
oscillation* u g# X [& l6 x
rand-dynamic
$ J7 ?2 t9 X+ P% S]2 }" ^5 P2 j6 T/ w
) u" `( s: w6 ~2 }turtles-own[
) ^1 D& F' _' f6 D3 g- p& ntrade-record-all
. T6 P' ~9 c5 |1 z;;a list of lists,由trade-record-one组成9 o! `" H3 W+ p) k
trade-record-one
6 T/ R; \7 Q. Q% X" K6 y6 Q, ?;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录3 D* g O+ Y) g& x
1 T: i0 j" T4 M# g
;;[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]]
% U: i( s0 Z/ }0 Ftrade-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]
+ H7 t x$ }- F1 {* ccredibility-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list
- B9 B, Y* S1 Fneighbor-total
* ^- a7 s+ q4 W: Z;;记录该turtle的邻居节点的数目
+ L9 D8 x& F7 ^( j) v! I! Qtrade-time
; G M9 ~ F' g9 z;;当前发生交易的turtle的交易时间
8 y% F" r+ T/ [$ Mappraise-give2 U4 j. z0 {: e9 t% R2 X
;;当前发生交易时给出的评价+ T* L, O" R3 A5 B' f
appraise-receive3 P3 ^: I7 ~ ]; A
;;当前发生交易时收到的评价4 ^. f! m: O; d: x0 S" L
appraise-time
4 b8 ~* T* v! }# ^2 \ q;;当前发生交易时的评价时间" S2 j% l0 Z; P3 s) @
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
% N7 P' Q' V+ a: e' \! D W/ {trade-times-total2 a1 F/ e- B, I& A$ a5 M
;;与当前turtle的交易总次数
% ], q. W7 U3 F- Y8 a0 g1 P! |trade-money-total
* o, M" q0 m7 k8 C3 |9 W;;与当前turtle的交易总金额
9 f Q& Y: x2 [5 h* G* hlocal-reputation) X3 m) {" m/ A l9 P/ \
global-reputation2 F. Z. B: F' I4 j3 K: ^ h: t
credibility
6 F- Y' [3 H/ s# G4 Y4 ?0 p- X;;评价可信度,每次交易后都需要更新
1 W4 _. H) H( V7 R1 D0 x4 Hcredibility-all
6 |9 O3 T8 a. Y;;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
, i. z5 ~1 k+ ^, W. b& B6 g/ K, x+ p9 [) T# J" r: n* Y
;;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
5 j h7 X# D# Y" g" q/ h, ]& y! Qcredibility-one
2 v7 t0 T( w, b# t2 A( g* h;;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
3 ^! M8 a1 f# u& H# A* ]global-proportion
6 r, K9 @/ b6 X. i0 k: Ucustomer
$ d1 Z2 c) [4 v! lcustomer-no
9 e9 m. ?$ s( \8 E# strust-ok
- V: f1 E* {3 r. S1 ~# Ytrade-record-one-len;;trade-record-one的长度
2 @: v$ [* ~! r- N]: S+ I0 @% R4 C" l% o
# \. C4 L4 f& B
;;setup procedure
4 x1 K9 L, O( ^/ _( o
. i% i5 d% Y) c9 A% T6 l2 P- oto setup
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9 n0 [' X! A2 j5 H& \; Ica
0 A" c2 A1 M# `0 _7 ^" _# b1 m, `* `7 P& I6 w+ Z* u
initialize-settings# N+ f/ Z$ w, _9 R4 _2 B
& b1 U _4 r- Y+ A/ A$ r
crt people [setup-turtles]
3 w7 ]/ q" m: ^' Y9 w& O
+ Y5 O1 m. b* r1 i" E" Vreset-timer0 E/ e) }9 V4 I1 k
' }2 b+ H& |) w( X- ?' Xpoll-class$ w/ G4 r( f5 U t2 [, \
9 ^1 I: x0 [2 Nsetup-plots
7 @4 X, P1 v6 e& l# ] B
( m& R! J5 \, X8 Fdo-plots
6 g) w* m9 G* Y ^* G6 [end& y' }; A- X7 i% P: R3 J2 [
1 ~. T; I" ]5 A$ g4 V5 [2 t- mto initialize-settings
; {( Z0 k& E5 r& b& K Q# Z8 x5 u7 @. ]( W4 ]8 o7 Y; D7 r+ _
set global-reputation-list []8 X" v, B0 f, ?) x/ u) l' l- j
9 U- j# N5 ~, ^$ Oset credibility-list n-values people [0.5]; j" |2 ]- C7 v! m2 C7 J- V4 z7 v
' y- S9 X- {" I uset honest-service 0
) G1 q* j& _; ?+ g, s% ?& p
' S) }( `7 r5 v4 K/ U Xset unhonest-service 05 _) L& D5 U4 `7 l+ ?
4 i. P! e3 l, H- s* c7 g8 t
set oscillation 0
/ A/ P! @% N0 g
9 e7 Z, ], W+ e* U( j$ m0 \ Dset rand-dynamic 0( }5 ?+ R1 E1 P3 Z* L; j
end0 I/ I/ i# ]2 d. [) U& v2 t0 O
4 z6 z8 z/ m; u$ [to setup-turtles " u, x# w' ^. E. f) H( ~; E$ u
set shape "person"$ ^7 i, j) y& h, H5 p$ S
setxy random-xcor random-ycor! N6 \; w9 S, y/ g
set trade-record-one []: q3 I$ j/ ?1 J3 p
5 n2 N: r# A# Gset trade-record-all n-values people [(list (? + 1) 0 0)] 6 F% O( I, c0 p' q$ ^# C7 f/ o6 C
! c6 Y" L0 a/ W' z5 N" S: V) u5 w4 b
set trade-record-current []/ X m/ d& ^/ i, i+ E# U
set credibility-receive []
* z( z, T' F% K1 J$ H! h; \set local-reputation 0.5" p# R, \+ n1 O/ M H. X6 J
set neighbor-total 0
4 m3 Y* R5 r) ~4 ]6 ^set trade-times-total 0
4 ^ K7 Q( ?3 M6 Q) Yset trade-money-total 0( q. c3 B" c2 q0 c: x' G
set customer nobody
2 ?- O% l: O' G7 W" I0 u2 zset credibility-all n-values people [creat-credibility]
' \ h" G/ z) {. aset credibility n-values people [-1]3 ?7 V2 J4 e' n: b6 j" A |# V
get-color
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/ j+ R9 m9 r" n5 M0 Iend3 ~5 [# D2 E1 H( ~/ E1 n
: H0 b/ I: G& ~to-report creat-credibility
1 ^3 M: P, e! _( J1 G. hreport n-values people [0.5]
; p! r; L) ` ~" g) Bend y, `$ a2 m( ]6 Y4 {; G% C
5 v6 q# M4 d. x. i% o# _ C
to setup-plots* P! z( \4 m1 X( U
6 l+ [& Z1 q/ c, F% F1 L, h
set xmax 30
' t' J4 j+ K% K9 y
! G9 W/ Y' \% O- cset ymax 1.0
: t L5 T. T! Z Z1 | u( R$ j
4 `, u! s/ `" X; O5 rclear-all-plots& q0 C( i% U# Z0 Q: r
$ a: r$ }' \! K6 x+ G
setup-plot1/ z3 Q! Z P8 _1 B
2 z6 S$ D: C: \
setup-plot2
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: o1 V) Q# T. {, b9 xsetup-plot3! B/ j; Z, @: G
end
. Q% _" o0 N1 c; H z- f) @& b8 _( z z3 s. C, V! _/ t( C
;;run time procedures
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$ R7 y1 W+ M3 B9 \% |0 }$ `! u6 w4 Mto go
; \$ X; B% }6 c9 i+ W2 l! o+ W6 R \# e* n
ask turtles [do-business]& G8 e: d( t& C% y5 v$ i; L: s
end
" L0 H) s- C, h- v G1 o4 t0 g9 s2 J/ m. Z1 B z4 p9 |
to do-business o1 N) M6 q) E- l3 k
( }6 _9 r$ O; l3 }$ K1 B2 M( i4 T. b* Z6 s4 N5 a/ @% o% ~$ Y
rt random 360
6 f @/ U* [ A+ B6 S! o$ e; c" M$ F O7 H# ]$ ]. |8 l' |! c
fd 1. I4 p2 X$ ~/ f5 h. |
% L# y" J) N7 Q' s: \8 D8 A5 [% fifelse(other turtles-here != nobody)[9 K. d6 v/ P/ `1 D' Q2 X
) l( l" p. u# f; i1 k1 l( a
set customer one-of other turtles-here: }0 I7 l/ ?( ~
: b1 S- p q! C/ N) };; set [customer] of customer myself
$ c Q9 o0 s" W: g* i
4 h7 o3 Y; c5 qset [trade-record-one] of self item (([who] of customer) - 1)
' ^2 x/ S2 q, X[trade-record-all]of self
% t$ x f" z! v5 d; h;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' \0 q$ I9 |0 n8 W0 a5 D3 t( o2 R) F I
set [trade-record-one] of customer item (([who] of self) - 1)
5 K) h$ b! ]' Z$ I2 m[trade-record-all]of customer
) V) n: @/ K# u3 z4 h% ^9 v4 M1 R% c/ b
set [trade-record-one-len] of self length [trade-record-one] of self7 w+ {3 y* _1 f9 Q) _3 J
0 Y y7 P E$ Q) B& y0 s
set trade-record-current( list (timer) (random money-upper-limit))
2 \1 x' }! j9 ]; I: [7 H _, V0 v9 x/ r* V |4 W
ask self [do-trust] H9 K8 J8 Z3 f+ w1 F
;;先求i对j的信任度
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if ([trust-ok] of self). W! ~7 \$ T6 c+ M* d0 O
;;根据i对j的信任度来决定是否与j进行交易[8 }& s H- v" F# \) V9 t
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 J. g% O e: ?1 \9 N1 G' ?
5 H8 R( M- w s) _( U# B) V- \
[$ W1 |7 \) L3 \
' C# O4 a5 ]- `) {4 d$ ~
do-trade
0 v- x+ j5 ^ m0 i) t- l" _5 h, A0 J( \$ F2 Y
update-credibility-ijl
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update-credibility-list: A( w1 J$ p# W
4 i* v2 X1 S. W% ~
" l9 E: @+ j4 Nupdate-global-reputation-list& q, ~7 l, C$ N1 _
4 L! }. g+ j: u# q0 Y" Epoll-class
0 D' s" B: T( x1 h2 M' R2 I
9 |- \: { X; Z% f, h2 |7 Bget-color
+ m+ |3 P9 t" r/ O! v' }2 Z) K% o+ ~. F/ X& J9 F: [! D) B
]]
' V( R1 D* f+ Q5 c9 G# p/ F, w L2 m1 k1 e3 ^! B( q
;;如果所得的信任度满足条件,则进行交易7 C) V1 f8 f' V7 ^9 f: r) `* [
& D# U# C( v" a5 i+ _* ^! }+ E[' L9 ]* O' X5 @! O3 ]7 }. I
# [% @. L0 {. ^+ W8 frt random 360$ g0 v- M, F) N2 j5 }- T/ Z6 s7 f4 |
# C' Q: M' b" `3 r
fd 1# t/ D, ^" I# U3 ]
! d* [9 K( N S+ D& q+ h+ o]
5 h4 S+ B r+ A! r
& n' ]/ F) L8 @( Q6 U' ]( uend
7 S+ C& m: I( m. F% y: }& x8 a/ }8 S- L# W1 \
to do-trust ) D. U& I( n% a. \/ y
set trust-ok False, b. h" Q0 ]3 w Z( f# s' t: j
2 E6 L. X0 d8 O$ g+ ]
) f% C% d/ `: Y% H) V Y
let max-trade-times 0
4 }. c) R3 I0 Z& } k- s# Pforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
4 ^: L) k) q: @! U$ B- Glet max-trade-money 08 X! N" g9 o& a" }& b7 b |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) Q- P+ L6 u' [. f2 g( `4 `, z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) \3 T, k/ h9 W2 a
2 o6 l$ E& w4 e$ e$ P* H" R' p3 R7 p, D L( e
get-global-proportion9 v) _/ m3 A2 u( r
let trust-value" c0 u5 b, Z$ m, E# `
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)3 J7 c: c. [/ `9 L+ y2 O
if(trust-value > trade-trust-value)
' S# z& T1 r' x* A8 R: A[set trust-ok true]
4 H! U' \7 i' s/ |9 l1 T: Fend
3 u1 P# e. s4 J! [2 u, V; D$ l, y. m& B% k) k; {/ C
to get-global-proportion
1 K6 C- S% i/ ~) L* q6 w+ w2 Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- I' B7 P: ]4 U5 D2 E
[set global-proportion 0], W* u8 ? t6 o/ R: }% e' m: l- B1 w% z
[let i 0
' r9 E$ {! t" ~8 ?8 N2 Qlet sum-money 0! r9 f, {; a( r" T$ h
while[ i < people]* h0 |9 m: ^1 V, x
[
8 V5 N& T' @: Bif( length (item i$ O5 f' O, K+ [% d5 b
[trade-record-all] of customer) > 3 )
9 V( }, W8 r# E$ e" [0 v[
7 _; x5 T( N6 Z3 R, tset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 \( ^1 d# r9 n1 V3 K! Y]
! s6 Y. N9 x: b; }9 g7 x, X]
* [2 L+ Y' ?8 y( A" n8 |let j 0
( v4 [( i5 X0 v ]5 q' mlet note 00 L+ P3 D7 f! g) b8 ]) e5 f1 [: A+ [
while[ j < people]8 c/ O2 x; |5 |" @. e* Q5 E9 f
[0 [6 w0 |& X: E- }. C0 m4 K
if( length (item i' p3 q, y" i& A* Z* r w V- k
[trade-record-all] of customer) > 3 )
6 r) n. @2 |* b7 e$ B; z, C2 E6 Z[
% R9 f% J1 g1 e: u3 \ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 ?& t% u* p* G4 |+ z7 w" m
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 K! g8 Z! T5 g1 @7 o z5 n
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
" O4 L& Q& c' H }+ A# C]& y7 m' Y0 |$ h; ^4 ?) V4 Y) b
]
$ l. G9 I! O6 C" L) F2 }& bset global-proportion note
. \, p9 [) S$ [* ^- c4 J]
: {2 C5 Q, S& jend4 b, [1 C4 ] d; h
( [9 n" Z4 `# Z( Q: ^. fto do-trade; y1 d6 D; L/ W6 Q+ l; X7 V
;;这个过程实际上是给双方作出评价的过程
) w" }- T2 j! A' H, m% Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价, v1 y8 d1 |3 z" X. Q ?" [( T$ e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 B/ U' O1 d. F5 ]set trade-record-current lput(timer) trade-record-current6 F9 v* m' g9 a1 G1 g7 |
;;评价时间
, S! h0 a8 |: O! p8 @ask myself [6 J1 S5 e& `0 G
update-local-reputation
2 Q1 D, O5 I' j: @' D D! ~set trade-record-current lput([local-reputation] of myself) trade-record-current2 ]4 r' D5 f& _
]" v% b# v& g3 w$ l
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 y T" `; F: G! c7 s+ }# J$ O& i- G
;;将此次交易的记录加入到trade-record-one中
" {) a v# p* S! fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
3 u) T% j2 l5 q3 b! o" e V# Flet note (item 2 trade-record-current ) ?* M5 o8 s( J# M. H
set trade-record-current# t9 ~0 ^: l+ a! H1 t y
(replace-item 2 trade-record-current (item 3 trade-record-current))
5 m$ C4 J8 t+ w* N+ Qset trade-record-current
6 L: F0 I# a8 ?" { f/ g( P(replace-item 3 trade-record-current note)
. t7 K% J2 n z
$ S# I i6 ^7 r8 Y' n- p5 s+ |2 R
ask customer [. T1 u; a! d' u# @ t
update-local-reputation. i4 u7 H5 |/ U4 w/ H$ `
set trade-record-current
4 ]7 o$ D5 x* G/ A* i7 ]( m+ H" s& g(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 `$ @6 m: z9 u. o# P7 \]* D) v, m4 I& c6 E6 v$ Y9 }
* u* s6 p1 ?/ K5 ?4 D
* @; E! }+ G. J3 w8 c' k( e8 \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
) w0 Y8 v) n, W" s7 p
+ p1 `- [7 h x+ @# iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
5 v; I& D; H3 R4 E;;将此次交易的记录加入到customer的trade-record-all中
4 `: q, N8 s4 T8 A% {end: C0 s( T6 d# W7 Q4 N
% o, @% I5 r3 Dto update-local-reputation: ]% _3 ?: ]- {, _* |0 C5 w& w
set [trade-record-one-len] of myself length [trade-record-one] of myself- h3 I5 {8 D- n, q6 x) }9 [4 d
! q$ `* k6 L) z( E7 d' Z
; j0 o7 J3 q5 s5 |3 \;;if [trade-record-one-len] of myself > 3 # a2 i% F' @0 R3 y
update-neighbor-total7 X7 u8 Y$ E5 r
;;更新邻居节点的数目,在此进行. v/ v8 `8 Z9 d/ s8 m' T) C; R
let i 3
- q4 c1 N+ L5 X& \let sum-time 0! a, q" U6 b, n' e# {4 _: `" s5 x
while[i < [trade-record-one-len] of myself]. N7 T2 B U. o! L
[
" e# t, C4 }! C5 b. ]set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 J# w2 C: {+ Z" }% h
set i
% D2 b4 a' J$ u3 S. {: K: r1 L( i + 1)
& P; f% _6 U) d]! k1 w+ Q T- q5 W& C5 }* I/ [5 Z
let j 3
+ E- g" o) |$ L: flet sum-money 0
5 o0 \0 k6 X, p1 b0 ]; `; dwhile[j < [trade-record-one-len] of myself]
8 B8 ?& R; `5 W! a# n/ I1 D[2 _: u* B; w* Q8 U3 i# s& v$ p
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)* C* M! s8 G; }% T
set j
2 K* ?( l; Z: ?/ C7 @- z( j + 1)
! a- B9 v" f s]
1 `; y7 Q6 K# q* glet k 3
) Y" N F# F1 Z7 e) G2 Ulet power 0' S& y7 Y6 b0 `0 W5 x/ v
let local 0
; i0 s% U# ~7 Vwhile [k <[trade-record-one-len] of myself]
2 {0 A# i+ X$ R7 R: c. [. A[( a% w* w2 ?/ \6 ^$ }
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) " I2 J# B; v5 Q
set k (k + 1)7 A) F3 D) g2 R( d) I
]
) K0 e9 ~- P! q5 u- mset [local-reputation] of myself (local)
q9 D% G. K/ V1 N" Lend# D! G7 \: M J
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to update-neighbor-total* w! x8 j1 k* e: b- g4 X
, E* J: J9 p* Q+ \+ }4 u ^
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" c' P! N' ^+ N4 ?& N# o
) D I8 a) e- m5 l
. |% `; {" b& |% N. c" K9 f( r
end/ e1 U3 V) Z: u' [" ^
3 t: }, }0 X2 X! _; d) d$ jto update-credibility-ijl 1 R) j& a" I& j5 b: E5 F
) ^/ g- o- Y0 Y; _;;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。$ S; |6 D: R* s
let l 0+ \3 W: ^$ h6 ?
while[ l < people ]
; N5 J g0 n' P7 i;;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, n/ B! ~! m/ b/ i* A
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& g8 @! \1 w X4 x! |/ T
if (trade-record-one-j-l-len > 3); S8 S( b0 i: j+ a5 p
[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
0 i+ P) |# Q s; Q6 Zlet i 3! _0 C) l4 `# K; }
let sum-time 00 n' H2 S& O: {# q9 ?1 M
while[i < trade-record-one-len]
7 S9 ]7 l7 n/ T4 Z[1 p4 V; c9 R3 v. K& ~# I
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! l T4 `; [0 `, D* ^* G5 {( z' u6 tset i
0 U; V$ n6 w! M" b* Q( i + 1)
: y9 L0 {( C5 }; E7 e]# F( _; A' _( h# n
let credibility-i-j-l 0
) L5 N1 B2 S0 @* P;;i评价(j对jl的评价)
$ G7 f% |0 @# B9 Z9 G/ P% f% xlet j 3
8 r$ e! M* k: s# ylet k 48 a! Q5 E4 I. L% v4 G
while[j < trade-record-one-len]
( w0 H) ^6 p$ u1 Q' \- ^- L[
9 v7 R8 d) L7 Ywhile [((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5 Z# G- C# Q0 q0 ^* C& `
set 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)$ Y9 u1 Z3 {: T: U) i) d9 T! l
set j
8 G8 I5 V" K3 `8 j2 C( j + 1)
8 l+ s+ V D U# _]& T @# r$ E( `4 u& Z) M1 _
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 )); U1 P, n- a9 N: t! _
! X% h; ]/ @2 ]' F4 @
% Y1 q. J- O! o. {' e; v. Q, Xlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 J3 X* f3 F) I& {- x3 G
;;及时更新i对l的评价质量的评价
+ M# }; g# q8 h \4 u% \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* B- o( ` f- @) F
set l (l + 1)
1 ]8 [5 h; m* []
7 T, |# _8 s7 X- Pend
3 ?" H, D- U/ i- F8 ~, Y- }% l% \1 h; z( }
to update-credibility-list/ D' z3 G; D% k7 V
let i 0
3 R3 E& Q. ?; bwhile[i < people]
) n3 J( Z2 U5 T- i9 d[
; q6 G2 X/ H! T1 f( |& g3 t& Qlet j 0
/ a8 J8 @8 k$ [) glet note 0 j; s/ z, }1 \ h
let k 0$ D4 q9 B- s( |! G- E! W# V
;;计作出过评价的邻居节点的数目- M! \& g6 q w5 Q3 A
while[j < people]
9 Z* e2 C5 Z' n% V[
; Y" B" Z+ M$ t# U0 A; kif (item j( [credibility] of turtle (i + 1)) != -1)
: l% X! N) E$ O ^3 _4 i" R;;判断是否给本turtle的评价质量做出过评价的节点
% U7 d) _9 p- D1 `6 r[set note (note + item j ([credibility]of turtle (i + 1))), M. d) c+ x5 ] i- C
;;*(exp (-(people - 2)))/(people - 2))]
0 h) N. t+ O( k9 v2 Qset k (k + 1)
3 J3 q. y& r# R ]/ f+ \1 N]
# K- x- e( [, k P; F7 Yset j (j + 1)
) w9 u! l& M- V8 \! F% F]
) Q8 w. q' v- ?; ?% a7 k& Uset note (note *(exp (- (1 / k)))/ k)
4 H) x# ~3 b" H6 c: Tset credibility-list (replace-item i credibility-list note)1 i% C. g4 r2 K r* }$ ~, T
set i (i + 1)& g8 i: \3 q& {( z5 M5 ~" A
]( _, ^2 D" ~6 ]2 T7 J3 |& j2 l
end7 r/ G% a0 O" n6 L* j+ \! C% \
( t; A1 B/ F- p6 H( m. ]! w
to update-global-reputation-list
6 o6 G& \( x9 ^let j 0+ L& p2 ~2 l% r+ q! H" Z
while[j < people]
4 ]* T/ A# Y! H) B* ]6 }1 [[3 ?3 w7 \& [2 |( l* A
let new 0
4 L" C' D2 p" `; |1 `& Z4 c;;暂存新的一个全局声誉5 G% d! D( w0 g1 ^. o" W9 Q
let i 0
* O, ~ @$ [9 ~, N$ E3 F* klet sum-money 0
2 G$ U- W4 K8 \/ q' Olet credibility-money 0
! |5 c4 ]/ U0 Lwhile [i < people]
: _# i7 E* s# `+ L3 s2 N[% A/ S$ k& [5 x8 w4 g# ?
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ e8 t; Y" O& a" k
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 N: S3 p: i: [3 W9 h, vset i (i + 1)+ r" M( S) C4 X, f
], P r! r( t: q* T6 P
let k 0/ Q e) {6 K% X5 m
let new1 0
2 ^ K) c6 E/ @ }while [k < people]( q1 T% P6 n6 b. s1 H2 `, T& l
[- M; b; j" ?. n( H6 _$ @* R# B
set 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)
8 i$ m- m/ u% s! k$ @set k (k + 1)
" W# c0 s+ N/ C: A: }" L# U9 q]% b3 e$ I W) H! i
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, M" a/ K: s K- [set global-reputation-list (replace-item j global-reputation-list new)8 E% S* S- _% \8 U
set j (j + 1)
* Z2 O/ s; l/ L3 X# N* P6 z/ a]
8 C+ C! K7 ?! i, w6 o8 k; C0 ~) iend
) ^! r; N& k! z% [0 I3 o
6 m; o3 r( f. c' U
/ h- r; b0 D, O8 [4 J- h; R8 Q+ G5 t) }9 b8 A+ b/ ^/ R
to get-color0 L4 g4 g6 m' X* A1 p1 X
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set color blue+ T& z- ^/ e* k+ {; Q% q
end4 ?6 n4 r$ i- W L6 p& e
4 m. J; O) _; h) L5 o3 S, @# J/ F
to poll-class
7 j8 }- y; H# hend
5 j2 G/ X. G& H+ ?! H$ P6 L6 K' d
to setup-plot10 K+ w" O. M7 T% G% A) ~
# |+ @6 }; S. ], w, Vset-current-plot "Trends-of-Local-reputation"8 [: a! E" P, _
, M9 _/ s; {6 ~; }+ m
set-plot-x-range 0 xmax
) o+ ^' u7 ~9 t' H3 a/ K
$ a, Q. g( t* s% n5 @) {/ fset-plot-y-range 0.0 ymax
6 l* i& i4 k$ M- Send& S" _7 u! s/ F% f" M* ]- }% [
) Z2 S# d' U2 F7 |4 L# fto setup-plot25 H6 d- k/ E) D) `
1 q* M: ]3 s6 b m7 F
set-current-plot "Trends-of-global-reputation"
, L" ?/ h! D+ }' p! F& T! E. V. ~ _3 ]6 P5 T: g* a
set-plot-x-range 0 xmax
8 f, T2 t% P8 P( Z" f, P' k3 q! S
; j, l: Y/ p) `3 Q# ?7 Jset-plot-y-range 0.0 ymax1 y) z' Y4 w+ k. H. C5 n K
end% b3 t* Z$ k) g4 d
6 d- y' i3 s. f: e% oto setup-plot36 L) \* a, p3 ?- d( U$ V- L
C+ Y% z# U2 W3 k+ k- s
set-current-plot "Trends-of-credibility"
2 d$ C7 r3 `% T" J% P) Z0 c0 ?! H/ G" }
set-plot-x-range 0 xmax
/ D9 ]. v% F" q& R o6 |
- z6 w5 c+ F$ l! C$ [4 D7 Aset-plot-y-range 0.0 ymax
1 N2 Q6 T8 S9 ^: A" U( Lend
5 y0 F# [- j6 u3 U0 A7 H* R" P
) i x6 M( N; N5 V( }: U5 ]to do-plots) L9 X9 w* I" P( b: o: W
set-current-plot "Trends-of-Local-reputation"5 W0 i- P+ n9 w u% o; G
set-current-plot-pen "Honest service"
( }% X% f. I# Z2 V9 ?5 R3 Fend: V0 A {% P% d! l3 |
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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