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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( B. \" R! w6 s2 s1 C _4 L' J- D2 x
globals[
1 I1 T) D# Z/ q+ }' M& @xmax
3 U: ]& q/ f$ v4 @' jymax
7 j9 n: h- e6 c- X4 x( u+ z$ uglobal-reputation-list
1 T7 H: C* `7 I2 D" ?) b3 F
" o8 J$ X$ h& [) g& t8 T2 I- i- c;;每一个turtle的全局声誉都存在此LIST中
8 N+ f9 T a) T- A( pcredibility-list
1 {; ~8 A" T# l7 j Z# L; F1 z s* O;;每一个turtle的评价可信度4 j9 q+ }+ _' x1 c! O4 P' Q+ ^/ u
honest-service# w; O: r. A" A2 q1 @1 z0 p1 O8 Z
unhonest-service
' w( Z% o7 L* Q* a9 i/ P9 Xoscillation
/ i4 b5 P" f: Orand-dynamic0 W4 j5 ]/ p) a
]
; d7 z" J) I0 ?/ e4 r7 l
# H# c$ @+ ]/ y1 [8 f( Jturtles-own[
$ G" `2 }- s9 I5 S5 z% @! Z2 z3 o+ U4 R8 w7 ytrade-record-all" G; E5 Y+ ~( m# h, v O
;;a list of lists,由trade-record-one组成" ]7 ]5 N" Y2 y- `
trade-record-one' c: L/ c( Z6 H; e5 E8 e( ~0 n# F
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
6 Q6 |7 X. G2 E& i& x
2 k4 a5 w# j' ~) P0 {;;[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]]
4 G3 ^ P0 o( n; _1 q8 Ltrade-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]
) d4 C$ x9 c8 w8 }9 I8 f6 ~) T: ` ecredibility-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
$ I% E) p1 u3 F, p) h6 H: X" gneighbor-total& {2 @' x4 o& W# B; s
;;记录该turtle的邻居节点的数目" w1 f7 g# J5 H7 f' b4 [
trade-time
/ [5 i2 Q' R9 V. H& L, F/ ~2 C0 ~;;当前发生交易的turtle的交易时间
- |0 i6 j, t+ L* `+ e1 J' A. uappraise-give
% y+ N7 Z/ j, ^! C v1 g6 s;;当前发生交易时给出的评价
8 J. W" d8 p3 w" w6 `appraise-receive3 _7 o4 D7 D$ c4 i D& W
;;当前发生交易时收到的评价
) f4 ?- ^4 Q0 J& P% `& mappraise-time- G* F; f* {6 f+ z9 M! u
;;当前发生交易时的评价时间/ h R( Z, d, `! {3 v$ w* _" l# t- D
local-reputation-now;;此次交易后相对于对方turtle的局部声誉( a' [. D5 i+ o; D/ ?5 {" ?5 b
trade-times-total
; `0 l( e& E4 ]" I# b" v) w3 H;;与当前turtle的交易总次数/ H N* \' R' E2 M% a. u
trade-money-total
/ g( h; Q% ~( `2 }5 I ];;与当前turtle的交易总金额* `. n4 \% c; S8 i6 s$ p) H9 Z- T; Z
local-reputation7 k9 u# Y4 G7 Y8 j, `0 {
global-reputation4 O8 S# A! {+ ^9 O
credibility
! v* p- p- Y' [# M;;评价可信度,每次交易后都需要更新7 x v/ b( f9 E& F/ V& _$ q& f Q
credibility-all
9 y. l5 w2 z7 i5 m' u;;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
6 g9 t$ f/ T0 N* i7 {; Z! T# a* {( I4 J6 d: K6 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
8 r% x5 n% M+ }; c9 l0 bcredibility-one7 u; I5 Z" V. k2 Z9 ^
;;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: R* @+ f ]1 `
global-proportion4 H. _& t( I Z$ ~( B0 [+ F
customer3 ^5 `& ]+ Z3 Z0 Y; X% y( a
customer-no$ m: N# ]8 Z: H5 j
trust-ok
5 ~( ?5 B6 g$ V( A- x4 k- _trade-record-one-len;;trade-record-one的长度
! `5 h2 w! F+ x0 z9 z1 f w! l3 ~]. l9 O" Z, N- l8 H: P
$ X: }- H) b) s/ V
;;setup procedure% f+ g) W6 u* Q- [( b5 N/ `
" n4 W; [7 k- O: c0 dto setup( r( F. n* M( E2 ~# \2 |4 F4 J
$ ?2 b) s1 \* D0 h7 |# S3 ?
ca! T: ~. m5 i* ~+ G- z
1 d( `% } b& M) i% g% }5 K
initialize-settings/ ]3 n/ e4 _8 f$ m* o5 z/ k" `! I
1 ?& P, b9 h& G/ w0 S& }
crt people [setup-turtles]
. j3 d* c* `4 H7 x
; S6 E& m7 @9 ^reset-timer
# D: O/ o+ b( |/ Y+ D" T3 K/ o3 E
poll-class$ t( C% t: @, P4 V' g
( E ~0 V7 K3 w N& j1 y3 `" N: t6 P
setup-plots
3 V" R$ n9 K7 V6 t& `% v3 H4 W; ^# r2 A4 a& w# r
do-plots
" z4 }9 A, G2 k1 g/ A2 aend
5 J( H U) L7 v: {/ y' i6 X. O1 P% X8 o7 `' j
to initialize-settings
# i' ]# |. Y, f5 S6 [; g" _6 ~
* u. D% S! J$ S ~) I& lset global-reputation-list []
* D$ D: I) e7 Z! K8 X% u7 c6 D, P# V* j$ }2 I8 D1 [4 O
set credibility-list n-values people [0.5]
4 W; ?: X1 ?8 j1 F) q0 X7 k" A2 f# @+ M* }
set honest-service 0
# S# Y, v5 E2 ]' F7 a+ K
( o$ y' e r9 z3 n! xset unhonest-service 0
9 q+ B0 p6 E8 m' f/ ]+ b6 r6 k/ \* {$ |+ W
set oscillation 07 |( O+ J& H% j* Z# C7 C* p4 P x8 @4 b
3 K1 v5 ~; ~" B' L5 p( A$ a# kset rand-dynamic 0
: n& J" {) v9 @& I4 xend. f6 K- L& C9 S a/ l
3 \# x2 C1 _5 K+ R1 Kto setup-turtles
- I5 l) M+ Q8 @4 Oset shape "person"; f" `' r b7 o' |4 m
setxy random-xcor random-ycor8 ^4 ^) r+ r2 b4 \4 s* X E
set trade-record-one []8 I, t( x' w, R6 V" s
" p9 s6 j( o4 r6 |9 H& qset trade-record-all n-values people [(list (? + 1) 0 0)]
T/ i* J; H! Q i3 ^2 {, j7 K' K# V( E: n/ L* h0 ?) V
set trade-record-current []
1 _( Z, \4 Z1 f& ?) h/ e- Jset credibility-receive []
3 g, @ N0 Z; tset local-reputation 0.5
# r% O7 F7 D( d' D7 k+ cset neighbor-total 0
. S5 C& V% j$ }4 ?) y1 K/ uset trade-times-total 0
0 ^* e( E; F- P# ~- pset trade-money-total 0 l2 |; x w% r; {% i$ l
set customer nobody; L7 ]2 B' I5 g& u6 Y
set credibility-all n-values people [creat-credibility]" g& k7 l- ]- e b& q- ~
set credibility n-values people [-1]
+ m4 b A, `5 b+ P6 uget-color
. K' @! x' E% n7 s; a% Q" k! Q! N) r
( u0 n! Q# x5 b' Kend) `7 `3 p3 A0 g
G/ {. j% M9 |, qto-report creat-credibility
$ T( E' m0 {. f1 k* n! Y0 M0 zreport n-values people [0.5]
2 e4 X! k* O, vend+ @( \# w; Z9 C1 \8 f* g
0 U, m) R% Z# w
to setup-plots8 M" a5 l. T9 T" u9 q
1 C. m/ V8 z% H% x w1 T$ p8 `5 ?
set xmax 30' t6 h, n+ Q9 q; _
4 T' _7 Y% w, b1 t$ Y f+ a l1 ]set ymax 1.0
4 L' s s* @! u8 W8 q% {8 h1 E c6 C: `
clear-all-plots" K0 d8 G% m6 L, l4 @
$ B+ o& h d* H' z9 S$ Ysetup-plot1
4 _7 j; T* G: V! z6 d
$ o3 m! t& D& o/ h8 w/ Rsetup-plot2
! v& X, `: }4 o
3 f4 C5 K7 _" [$ lsetup-plot3$ w0 d7 z2 r; P/ c' ^
end. m" `/ `( ^: J' f
& }% Q# c" e; g" x6 B( t0 w1 [1 f/ K
;;run time procedures, k7 N7 [4 ?' k9 s
* `( X) O) P9 m# N$ O0 r
to go
+ J% l- O3 s/ p9 X: z) J/ d |
2 m3 t+ T E5 Y8 s& _ask turtles [do-business]' L% O) ^1 `- a! }& E* l- ?
end
3 T# e8 L6 l) W* G6 F
2 N. A# j3 }6 M2 \- a$ O$ r8 Kto do-business . l7 e* A0 U3 n- `2 M
% O8 ^% {) D! V4 |/ H5 H( G, F/ H) o
rt random 360
2 o( L; R1 j* P
0 q) p9 `5 j' i# bfd 1
4 m* ?0 b9 E9 z+ }6 s+ z
3 L% e6 q R+ n0 e3 o9 P, h, h0 [ifelse(other turtles-here != nobody)[! S" F& @+ t' i' G. Z" B% E
/ G: }% Y9 e6 Z2 }. d7 x8 ?$ {* Xset customer one-of other turtles-here
" Z' L" x! k, _) k# u
0 u$ o0 h4 J9 h T6 Z; B+ ?;; set [customer] of customer myself
_% X2 g% N$ M8 t/ O+ s2 s
7 h" J/ a" \+ ?set [trade-record-one] of self item (([who] of customer) - 1)
& h, _2 |& o( v[trade-record-all]of self% q, b9 ?4 v* W- W
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
3 l, t9 c n+ |7 v/ i1 b5 \6 _! d( W( f6 {
set [trade-record-one] of customer item (([who] of self) - 1)% h* @: L/ I5 ]0 L& U
[trade-record-all]of customer
; I2 U \$ J# n0 m3 p, F
9 G d" `/ ~3 L/ ^! H" Aset [trade-record-one-len] of self length [trade-record-one] of self
( g8 W! }0 N: E. L2 l7 ^8 M5 V
6 J( G6 {1 H' ], P* Z6 v- I9 r) `set trade-record-current( list (timer) (random money-upper-limit))
4 `1 J% W4 A; P# g v0 c- @+ F8 @1 {, [0 i1 p: b% T& L
ask self [do-trust]5 a* @6 F, f7 K8 f% b$ U* j! n) f
;;先求i对j的信任度" N* X: B5 g6 p+ ^# c1 J5 @
6 x5 k, S" q' Y% [$ s4 P: }3 ]if ([trust-ok] of self)$ N0 l' j9 ]; Q* M1 A% ?0 y, y
;;根据i对j的信任度来决定是否与j进行交易[# I9 ~* C4 i/ D5 x/ \4 \; G
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ ~0 J- D# K* L) O, m9 L( _7 n; ^) q8 H
[
; _- Q# q; _2 ^1 g0 L' P; s
" T* f& e5 q& Q/ ^& e- Ddo-trade
5 y1 s: H5 X5 z; {6 J- z' X& y; w
5 V9 i. ?1 s1 ? x" u8 s6 T* tupdate-credibility-ijl
. p9 T- J! b/ \* ^7 m" N4 N% X5 g1 h+ U1 Y7 X, G
update-credibility-list E* u" n# q L; O" H- y+ u% A. K) d
9 P4 @; y7 Y. v5 M
- _! x" K1 |7 O4 ^5 v' \update-global-reputation-list$ v) W. P6 Z6 T X' L
: Z. e% a- h2 B( i' x& Z9 p7 Tpoll-class
& C* D2 ]" Z- m* g0 Q5 S/ k% l# @
# U3 t+ {0 _, n0 J; Z1 g6 G4 \8 \% hget-color8 ], }. b) Q+ e# i" e4 c
' X9 k1 j! F6 N7 T. z( f0 J
]]
* ~) S$ u% N6 v4 ` N) ?9 X* {) d
;;如果所得的信任度满足条件,则进行交易$ s8 Z- Y7 p. q" g; V( o4 j
: Y% ~# l# v2 p% S V4 B
[0 h. {6 N( G# a i: x0 d% A
" e1 K" `8 {2 {$ Grt random 3600 ?7 g8 [) w; a) Y# k" p' m
+ g6 f+ B" Y+ e$ bfd 1
9 i4 b/ i8 B9 t1 l" H( C3 Z& F5 }8 n/ f" f$ T7 ^
]
" o- e2 O* [& ~% _0 n! p
# v( I; W( n# @. u6 t; g' xend
: B, V! E+ k. W8 L" g( Y: g' N& R8 b2 |( P$ L
to do-trust ! D, o, [% t9 F8 Q: a, a
set trust-ok False( Y: e% {* [- T4 ]: ^4 |# V4 s3 Z" c
/ v6 J, P. Q+ W3 q7 ~/ A2 N
0 s0 } r5 `/ M2 |# r, Plet max-trade-times 0
, S4 p3 D/ ]3 X5 j0 F* T' dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
1 ^4 [9 X5 g6 p8 |7 Vlet max-trade-money 00 O* k* _* g* a b
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ W6 O/ i+ q: A* |/ rlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 ?" M$ P4 Z; {$ k0 ?
( k5 z' j" O- z& P- X7 {( b
1 W5 c$ q! T+ R9 A+ T$ O8 Rget-global-proportion
" G0 o( I4 k, }6 n$ T& s$ a2 {+ }let trust-value7 l: S4 ^9 d7 |! f' W: t) V
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): }" |+ q( \1 m/ C* B
if(trust-value > trade-trust-value)
( [8 x5 m( q1 r5 D: l/ Y[set trust-ok true]$ R& p5 m# t& _2 c( s5 M4 I S3 V* ~8 B
end, J3 m$ J$ B" ? V' `: x
( m b, n% \+ N: B, g4 L E p/ sto get-global-proportion) ]& y% \) W' ?. U7 A8 d; t
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* |) i2 Q5 I% M" |1 u! C[set global-proportion 0]1 H% Y% k9 k; @" T; V! \
[let i 0/ v. U9 I) J% e2 H4 m
let sum-money 00 M' O, M* v# j0 G' w4 j
while[ i < people]
- @. G3 N8 G2 i: f: W, v& D[% F0 _3 ~# w; Z4 N+ q r& y
if( length (item i
V8 I/ c/ C" W0 U/ [! n, @7 }[trade-record-all] of customer) > 3 )
6 N: h) |9 h& w[+ ?6 C) T) d/ j A1 d* N: ?7 S1 w
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))# f1 d% J+ A2 W( y9 S- Q1 N
]% N0 |8 R, Z, J/ y1 \1 o
]- A$ K' S) ^/ K9 Z, [
let j 0) K8 p- u% ? n7 X5 u5 \
let note 0' x" T% @" V. V1 T D) C; W1 W9 I
while[ j < people]3 P3 u3 A7 {# R% K
[9 o5 W' n# x0 Q6 ~) j) `$ _
if( length (item i
9 S* w7 F" |5 z7 ~9 T) b[trade-record-all] of customer) > 3 )$ m) N4 a% `! \: m$ ~5 I. A+ O, Y
[# C% c, t. S |- d7 K- M
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). A2 T6 [- N) L- [. J- V" \3 U
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]0 ?. ?" t2 n3 s: |$ S
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 H' u. @# r7 h$ Z; B1 n]% k0 K$ g5 V* Z+ t& k
]
! s+ L! w1 f! cset global-proportion note5 }4 X( l8 ~ F; G; c( i8 p
]
7 Y8 f% K- o& u/ F$ H" {$ S% xend5 w: ~( U- t) |+ `
& q3 d' {; W4 {8 cto do-trade
0 S' O3 s' t& j4 ] B! h- T5 @3 R;;这个过程实际上是给双方作出评价的过程/ @6 O A9 c5 ~! c) m: L/ d' L4 J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价/ a$ M, s3 f+ ~ a* M) w: u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" U. u2 s |+ P4 O5 T: Jset trade-record-current lput(timer) trade-record-current* g8 f2 W( v2 Q3 k' \
;;评价时间4 S+ g# E9 A2 ]
ask myself [: Z! X: v* q8 s4 \; J) ?1 z
update-local-reputation
% A9 R" ]7 `: I& R, Sset trade-record-current lput([local-reputation] of myself) trade-record-current; F& o8 }4 f$ p
]$ C4 [! ]3 D; y' ~: n7 Y% L
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 U* U; c6 v: @. d, z& k/ q;;将此次交易的记录加入到trade-record-one中
! q, j7 s/ M2 _- q C' R& C+ Jset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
( K" M! e0 `8 d# Q9 X& [let note (item 2 trade-record-current ); }) {; W; m* t9 D6 b
set trade-record-current
' u4 a2 i7 d( x5 _0 F6 V(replace-item 2 trade-record-current (item 3 trade-record-current))0 {' }! s* x, W2 r
set trade-record-current
- l$ A" K5 @' f(replace-item 3 trade-record-current note)
) l) Q9 F. v/ K; z% i( H8 C" w9 X" `7 h
! O( R( P5 I' _- _
ask customer [6 ?$ C# ^+ c, L: q2 h& L0 s. u
update-local-reputation
E( l/ w1 K! lset trade-record-current
, A7 O; @+ E7 ^* b8 F' z8 Y8 O(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 ] }" T5 C! e, `. t
]
4 M8 b1 m' O9 f" \) D" w2 i, F; k- V; C& b! P$ S! @
% k$ w% d0 E3 n m* q
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! E) `# l0 v0 w+ P* o, B# V6 g0 B2 a' l% |% w
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
b e0 s G. f7 R;;将此次交易的记录加入到customer的trade-record-all中
( y6 Q) Z/ n* G6 m/ wend" H, _# y' Q$ s
Y: l" L3 ]5 X8 ^to update-local-reputation
1 L- I4 J& T& X$ Mset [trade-record-one-len] of myself length [trade-record-one] of myself0 @- y& \7 P2 {/ m9 }$ C
( h; m" Q. @) I$ Z4 f% Y y3 H
$ Y: f0 e' Z8 h7 m! w$ h$ E) S0 u
;;if [trade-record-one-len] of myself > 3 & ~, _, M8 }; i' P0 q
update-neighbor-total/ f4 x' T: v$ t& b$ O6 {9 ^$ n/ [, V
;;更新邻居节点的数目,在此进行/ |- @! Y9 C! R2 H. c
let i 3
% P" b4 M( y( n( Y. flet sum-time 0
# |: _( ]' Y6 _while[i < [trade-record-one-len] of myself]
: p D5 N' ~! r8 {[
8 s. p$ _; U+ o7 T5 e4 k- _! Bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- H }, O& T: K/ I
set i
: i0 v, F6 o' l1 U1 ]/ w# h( i + 1)
' f* I7 F) X' n]% ]# {1 S$ J6 Y: F6 [% z
let j 3
. E' A! C( i$ B9 R( Zlet sum-money 08 T5 h/ p( d7 h6 r2 e, z7 A
while[j < [trade-record-one-len] of myself]7 U& h, F% j/ R' R3 [8 [9 {2 P* o
[4 y9 P: q. w, e3 N2 x
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)/ q1 b7 T) j) C% [+ g5 \
set j
! ^2 _3 f5 ]- m0 Y( j + 1)
/ E7 J# \- h3 m. W( s0 t]5 x5 E7 [, N% a( q% U: x' t6 z
let k 3$ T5 x7 e' m5 C, l0 `% C
let power 0
; D/ g, S1 ]3 F1 a6 e2 L+ C4 F. flet local 0
8 F) @+ ^& G1 G3 [while [k <[trade-record-one-len] of myself]: Q8 a. [% j8 Z1 ]4 S
[
( N5 N& [+ C2 n7 H+ N! [8 aset 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)
% r3 ~3 h% d. n# iset k (k + 1)
+ K2 Z6 a( \; A9 G& O' {]
% R+ `1 k0 v4 g! d6 t; X5 g6 jset [local-reputation] of myself (local)
# p# L# d$ R2 }) |+ uend
( P) @& C2 l2 C0 z. u J9 q2 G, n* t+ n# o* S y* w- d A
to update-neighbor-total: V. ]6 o5 K: H7 ~) F; X+ B
; q# k3 w6 H) \- B. t4 o8 tif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- J, P' G7 l5 _
+ p) A8 M0 [4 p) k" G+ G" U
/ f. A% r: {/ {9 t* eend
9 A8 l6 R! h# P2 ]0 ~/ b, t/ e7 G& i9 j2 _+ q* l
to update-credibility-ijl
5 ]; `0 }6 F" @8 D6 w
' a" `% D% ]. N- V/ p9 w5 x. 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。! d# U: Z2 S! l) w/ w' u1 l6 ~
let l 0
4 J s7 Q4 P* C" {while[ l < people ]
: E* |7 u4 ~$ G" f/ p( i; `: n5 |2 c;;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
0 ]% ?& v6 J: {/ M1 \[
( O& B/ ]: t2 |let trade-record-one-j-l-len length item l ([trade-record-all] of customer)5 a( F7 h3 V( Q7 h, k! a2 X. |
if (trade-record-one-j-l-len > 3)
$ ^4 P5 h1 a" {1 b# ?' E[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* M9 F9 D; j" L& J* s' f
let i 38 \8 i: b) f; ^ S' @( o. z
let sum-time 0: J9 z* x' B$ Z+ n7 ]
while[i < trade-record-one-len]" z# z' j$ K# U" r. h3 e
[
+ n; B# B( c' _4 Y4 ^! h/ hset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 O: T. a0 B4 A5 \& rset i
1 X1 z6 f6 R, j) \ w! R( i + 1)
& {/ B) b2 x, p1 y$ t3 T0 j; Y) k]# f: |: z! g& e2 C
let credibility-i-j-l 0
3 S; |" D% P! y4 ^2 e, j8 N;;i评价(j对jl的评价)/ d! O% {% s0 R' m, }1 }: f
let j 3' B% {4 C: M) y. `
let k 44 K; {/ r# j7 ?
while[j < trade-record-one-len]
& K. Q# r; d) l( d7 ^[
" O, q. u! j# @& Dwhile [((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; i( @& J/ {; \% {$ [0 Q
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)6 N% i8 `# B" T# @/ p9 [+ L
set j6 e# N: C& p4 b8 } Z
( j + 1)
3 D- G; R8 |8 A5 @- o2 J]7 G9 E$ ^2 j2 H
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 ))8 M: Q* S. }' h# n+ Q4 c/ I
W* ^0 s: h" o: |% `. U" I! A# F8 Z8 A
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ F2 y p! c; [0 P# c$ e$ x2 W;;及时更新i对l的评价质量的评价, o5 C+ w; z9 }4 _# c1 h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! H9 I. ?* j, q) E
set l (l + 1)0 ?; |5 l9 c5 m# P! s3 t
] d& N ]5 I+ n
end
{ g/ H( ? R5 J }; w0 B8 i Y; n# Z6 k# `4 X* D
to update-credibility-list( s ?* p. ^! L8 K7 Y2 v
let i 03 \- o+ d5 b" C3 P" Y. D
while[i < people]
# b- y+ k0 `4 s- p7 g[- B; F5 A4 L* W- g
let j 06 C) K9 w. x( w6 p( l4 { d0 V6 B
let note 0
& }5 |- v m# f9 Z( ]4 }0 Dlet k 0
4 d6 m3 d$ `! E! o# V;;计作出过评价的邻居节点的数目
/ D- r- W% c, A6 Z" A2 B2 Zwhile[j < people]5 {' B; d6 ~8 s) |* l0 n
[
, K3 w3 e7 f' j/ K! A+ O' i i7 ~3 Wif (item j( [credibility] of turtle (i + 1)) != -1): U, \" ?2 p4 a8 s$ g. G
;;判断是否给本turtle的评价质量做出过评价的节点5 M+ g# N4 k6 W7 y
[set note (note + item j ([credibility]of turtle (i + 1))); G% v9 f7 ^0 s1 h+ f+ G
;;*(exp (-(people - 2)))/(people - 2))]$ _4 W" Z1 B. l9 I" m
set k (k + 1)/ a+ f q1 `( l
]' l* } [( h0 S
set j (j + 1)
7 q8 h) ^1 a$ u, m3 D4 P! w5 O]
" J: ]: H5 d8 n) W- }$ kset note (note *(exp (- (1 / k)))/ k)
) j/ d# U5 F! a p+ j g2 nset credibility-list (replace-item i credibility-list note)
1 y/ |; C* v; h. V% Y5 v) _( jset i (i + 1)
& Y h6 ~# B4 l' d/ F4 P]
8 f K- d& {* wend
5 N s! B/ r, Z5 {+ N3 H- B
; _' i8 T) U4 Rto update-global-reputation-list
! }# R' _% A% T: J: F" y% i# |% `let j 0" y. P+ h6 F/ u7 ^
while[j < people], o) S% I& @- [+ ?7 J% y8 B
[% Q! U5 n& L# m" \/ q( U1 z
let new 0 g8 G$ y% u- X5 u4 k$ e' i2 U; H8 K
;;暂存新的一个全局声誉
' n% a! G+ e1 `* hlet i 0% [/ d# J* y7 Y
let sum-money 0: W4 c0 p. f- s; r2 e
let credibility-money 0% i7 M3 P6 ~" _5 k8 _
while [i < people]
3 O" N+ ]: h- @[
# [2 }/ c1 P% ~set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 F- k1 a2 e7 a3 q* xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)); q" h6 F h6 c' |1 l7 x
set i (i + 1)
! C" L) ]% Y6 b* Q( b/ G$ q5 T7 \8 j0 D]
3 C# |: ], R6 a0 S9 rlet k 0
, A$ [) ~# [4 u" d, Glet new1 0
- D: H! X2 L- w( S# ]4 Dwhile [k < people]+ s* P6 @6 A# H
[
0 ]. J9 v, g$ @7 D! I. g' r4 W3 Hset 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)( W% p/ [3 S3 H9 M' V; q" O
set k (k + 1)) y3 h/ ~- T: C2 _/ P* X7 B
]
- ~# o- \7 g$ z; mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( Y* V; l( l9 [! q) \" y. Gset global-reputation-list (replace-item j global-reputation-list new)6 u0 L7 J" m- Y4 x+ N- M- J; }, M
set j (j + 1)4 e! T. p) o4 C7 m: A2 W# s
]& M4 M9 {: P$ Z" U
end
2 S$ d" c/ j# z p* N0 R: j% ?7 E" F( u
0 o$ H U3 ]0 _7 M* Y4 h: s
8 n+ P" K$ Q7 s# B3 Y- j+ D
to get-color
$ {0 L& {3 q' d' D1 o6 R6 P) d5 W% T
set color blue* Y" L: }. d' z3 t( z
end
' T! \5 h; t6 @8 |5 X' C4 R" F! Q! C5 {/ t3 s& b! t3 G/ S; U/ x
to poll-class
1 l- C5 ]" C& ]end. R" H2 n" {4 O% Y2 \ `
! ?, F1 g; N, x9 @2 L. [( \6 k
to setup-plot1
- x, R. N: u- E
5 H/ @, H* F4 [2 S7 K2 E2 Sset-current-plot "Trends-of-Local-reputation"
; J8 T& n# J* i: z: h/ I; O( t& N! { y; {! N" I& R/ m
set-plot-x-range 0 xmax9 o. [8 H- J1 E
) ]) x/ w2 @- P# |+ yset-plot-y-range 0.0 ymax
5 T1 x& `2 X$ F. {0 Nend
! _& V4 E/ S8 P1 |
. b: O( p; n2 w$ L2 g% k8 P7 eto setup-plot2' V& |4 M3 w- i
$ a7 d4 T0 E5 F3 [3 o: M- Mset-current-plot "Trends-of-global-reputation"0 i( c+ T% n# n7 x- }" I# _
+ h; Y, j4 |, D- F# d
set-plot-x-range 0 xmax
" j6 Y! a% e* P8 V+ i* h0 q$ ?% l) T- M$ Y: F j
set-plot-y-range 0.0 ymax, ^4 V6 T/ {8 c! I
end1 y3 t1 \3 K+ b! U: f; D% }9 R3 G
% Q' P# c* a C3 `5 ~, Y
to setup-plot3
# B9 G" P' \- e7 ?- ?3 l! _( ~) i7 x- `2 @) t' F/ I# Q" G$ Y/ p0 h
set-current-plot "Trends-of-credibility"! k; ]5 C0 ^- o, h) `/ p) L
$ J" _* G) y+ e0 h6 f
set-plot-x-range 0 xmax
+ w4 y/ U2 }3 q7 a
6 n @% v2 @3 J( u0 kset-plot-y-range 0.0 ymax
: ~; c4 z. _! Wend* y7 `8 g/ x: r1 w+ O) ]; `
* A0 d6 t# H4 C, Q7 A
to do-plots7 `. ?& d$ H$ e' y& n* u! {2 h# K8 |; }* `" k
set-current-plot "Trends-of-Local-reputation"
& [$ _! Z6 ]; { [0 M! q/ j& c. uset-current-plot-pen "Honest service"( N; G7 _8 e% `# z! V* k$ \/ d! m
end
+ S. t) Y5 N( ~7 z: H0 A
1 i+ Z+ u5 q: r9 {4 c. t$ N[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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