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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
; i4 ]% R9 Q. J1 Xglobals[ F; |+ L& }- S1 ]6 h
xmax
; z# I6 A6 c/ c% q' d9 J Y- Dymax
9 t# O; N+ a7 _global-reputation-list3 W9 l( f6 ^' b+ D: O
& Z( N, K c: U6 x! L; v;;每一个turtle的全局声誉都存在此LIST中9 a: w! ]" C- V9 o0 [: o
credibility-list+ C# o8 e0 l" l$ q
;;每一个turtle的评价可信度
1 E1 C+ k- ~' u3 yhonest-service
$ G7 y" ~+ f6 [. F0 \& |/ Eunhonest-service% u4 R1 A. B6 e2 {! r
oscillation
: n1 b! a- c- Q- k3 `rand-dynamic* ~; c- y4 B+ }1 X ~) E' p
]
/ D- }" \9 e) b* T l
5 [; ] u3 G3 \, p; k; Uturtles-own[ l ~7 o1 y5 U9 t0 R
trade-record-all3 n v4 B1 \, F& {( \" d! u- O* O
;;a list of lists,由trade-record-one组成9 k' H0 M/ J4 q) A1 C+ H
trade-record-one0 K7 _$ A; m6 R$ j
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
1 O( J3 L# y- M6 `/ e
, Z1 o( v1 } K;;[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]]: ~1 [! G* k( p
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]1 `' j& X( ?* @! U% l5 u8 c$ [" }4 P5 r
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list( s( X/ n. O1 u$ Z4 U' n8 t
neighbor-total) C. V5 n. ?3 Y9 r4 M
;;记录该turtle的邻居节点的数目. b3 g/ e4 }& ]* f
trade-time
5 x( ]8 _4 c K& F2 W9 z9 j5 P;;当前发生交易的turtle的交易时间
8 ?: O3 A2 R5 g# k" Q- oappraise-give4 N6 A, p4 K9 m$ k& _, }
;;当前发生交易时给出的评价
5 X9 Z" w$ X; bappraise-receive, k9 [. o. ?4 X2 p
;;当前发生交易时收到的评价2 ?" |) s, ~/ F" K
appraise-time
" d4 K# |# r0 [0 h6 o;;当前发生交易时的评价时间+ |! [: f! ^) A5 d$ X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉. p' v" Y; s# o/ n% p# Q
trade-times-total+ m7 X3 b' z+ C- v+ U3 N& P+ z
;;与当前turtle的交易总次数
' I# w9 o( [' I& }5 e8 qtrade-money-total
; ?; ]0 V8 c" P2 Q* G' ]) ]; g6 \4 E;;与当前turtle的交易总金额" x M" |' H) X; e. n- S
local-reputation1 u2 _, G- o5 h8 K
global-reputation+ a1 m' A3 u- M( k# i" Z
credibility
& B! v4 @) K9 u! I! N4 l$ H% K;;评价可信度,每次交易后都需要更新/ ~/ q1 @, t u, @1 m
credibility-all$ q# m; A6 Y8 \/ {( o6 S8 j+ H
;;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
* n' J' F4 u6 P2 f0 b
5 t3 y; T6 t9 u4 E- z;;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( E& K& b" L% c+ z4 h
credibility-one! z5 p3 r$ Z/ s# ?2 j
;;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: x: @, s' O- k% u/ H5 \1 I
global-proportion
3 v- P, l) }9 t) p* E" Ecustomer! }* ^& a! R) N
customer-no
9 s* Z1 G6 m( S8 H! R& ^/ \trust-ok
- E3 w; V4 } r0 Y9 Qtrade-record-one-len;;trade-record-one的长度 n+ a8 x5 v6 h4 Q' w2 }
]) G# P z3 f5 L' S( o
) Y5 r' f0 d! o, w' S
;;setup procedure E5 j8 M- z, i4 z3 V {
: p: p* B" z- W" Y: @5 K( cto setup
$ U! g* y& b/ q
. J0 m1 s( u) W+ g+ @2 {0 Jca
3 R$ R9 @. h% i7 u d$ Y5 b
|8 a& b3 o7 d% q, a4 B9 a: tinitialize-settings
f2 V# Q' T% t0 N) d* Q/ n! ~
. J1 O, X' ]" Q- s( o @crt people [setup-turtles]8 b. i9 x# E4 H- V6 L$ _; R/ c$ ^' C% G: x
: v8 y$ s. c r
reset-timer# S9 Q& O* T) h4 x* X5 q( k
0 ~1 L% _0 z7 f0 ppoll-class+ |. O5 v r8 n
5 f% m% d( o" P8 _setup-plots
& Z9 k8 \) R* Q4 d3 T3 v; N( C |: @0 ?; U5 u
do-plots
% |* j& k: H [5 Xend
+ i Q# j& p2 I0 l. m3 E/ ?# |6 x3 ?$ H# S- g3 t, g6 q
to initialize-settings
& G, A2 U; D2 U7 A8 p
! @% s3 b9 o4 j0 }7 Bset global-reputation-list []
; d* S9 L4 Z- F
/ e& B. k! Y/ E: C% H, {9 x* [! Vset credibility-list n-values people [0.5]/ @9 w2 _# V" ]3 ^" B; e
( I; }0 c. t6 b8 Aset honest-service 0
9 h7 V$ m- ^5 d O* T6 v
+ F+ V1 \, v' sset unhonest-service 0
' g- a2 I. a: L8 y$ ?# \: ]
7 g7 E. k3 h9 h. q z7 ^set oscillation 0
* A0 {; E5 ], ~
$ g7 s1 X; l, v% Fset rand-dynamic 0
; W m7 z& W" @+ [" dend/ l' U4 e' w4 U7 ^9 ^8 F" |5 p* p0 |
+ P& X8 h) x6 O9 P( ^7 Z1 ^5 Z* uto setup-turtles ; j% {; l+ ~/ v& f8 N
set shape "person"0 [# B" N6 [# q# Z5 J6 Y9 v$ U
setxy random-xcor random-ycor
, q) a3 x l* d! k% ?set trade-record-one []3 Z+ K2 C; M# @9 |3 m# J* s. x
' A! k1 Q1 z% {1 O c: M7 ?
set trade-record-all n-values people [(list (? + 1) 0 0)]
! F* S4 Q* X, R* D& z. T( w
0 D% r' E/ \8 ~+ [3 jset trade-record-current []$ f4 b& D( S K+ U7 o5 t' C4 J
set credibility-receive []
8 q( g4 }/ i) F1 o& ~set local-reputation 0.5
" _, n- \+ C1 e7 Tset neighbor-total 0 a* |, P4 Y: U
set trade-times-total 07 B( c; ?" n+ r& Z. c
set trade-money-total 03 }' t% @% W% ^" u! E
set customer nobody/ l- _3 m! c0 [: w, @& y- P/ T
set credibility-all n-values people [creat-credibility]. T3 a D! o9 ~ k# Q; r6 d
set credibility n-values people [-1]
; t) i8 I8 a" W' D9 @get-color
$ }$ f4 T! x, u1 o' c0 U6 h' S* D5 E
end3 {/ h0 }& S, p4 g( n
; I2 F5 S s1 h/ Z3 ?: ]# u7 E4 Q. b3 @* Vto-report creat-credibility
* _% _& P9 @9 X+ h. j; u$ q/ wreport n-values people [0.5]
7 w% {) I& W! V& z% C8 Y* Yend
+ F/ ^1 l# C8 i$ K( K: M1 x9 b; i& D
to setup-plots4 }4 a( T+ K7 ? }% z4 c. _
' v$ m9 T$ x3 yset xmax 309 }% p0 y) `6 m
; K! l+ i0 N$ M7 o) Pset ymax 1.0) r' J" L4 E. n( }4 O3 s2 ^- p
4 c A+ x8 Z# p. t5 s
clear-all-plots
7 \0 t! q3 I$ k1 S+ E
: V( r) f8 o/ x7 V# k' O0 k1 [setup-plot1
- f) I$ [8 q1 C0 s5 H9 l: [0 N2 Y+ P3 q2 N3 T
setup-plot2+ |$ Z, f M! N+ q' t$ o! i
& u7 f4 o& A+ W$ tsetup-plot3
" P M" h' P4 Z0 b+ m. `7 Eend! J& K \# D$ ~' O* s4 e
8 o- V, N( H) c8 ];;run time procedures
+ T% v$ Z) R' L4 S( U3 ~
1 @' ^1 s4 B y' Y) l: c& Sto go
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0 r2 W$ m* b C9 ^* }ask turtles [do-business]
- E& I! T% U! a ? V! j( V" yend
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to do-business 6 X. i# D; g& G. `/ s' Q
- K G: d) Y1 ?7 b+ j$ w6 j. u- m6 A, L6 B
rt random 360' k0 V7 }7 w% Z$ o
3 f* S6 K6 J+ ]! T4 v2 ^fd 1
: r9 w( s0 S* P& s7 s; k* W1 E1 q; s% R& {
ifelse(other turtles-here != nobody)[1 }% o2 `4 ?8 g- l
! z+ L0 ]- Q( z" _
set customer one-of other turtles-here
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+ m1 H& i$ v4 _ Z/ z;; set [customer] of customer myself
% _- k$ _ C0 }) [6 X, W9 M4 v1 o1 ~3 o4 ?: a7 c5 U8 l7 v
set [trade-record-one] of self item (([who] of customer) - 1)
1 R/ D4 g& ?8 E2 b[trade-record-all]of self* P- R) K. C. K8 N/ }. ~
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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' f# q% G7 b1 o8 Jset [trade-record-one] of customer item (([who] of self) - 1)/ s j/ E8 o# w" n7 X" a. x
[trade-record-all]of customer& _5 ~$ k5 q; j2 f0 V4 X
$ Q, N/ |" r( ?) m6 o( xset [trade-record-one-len] of self length [trade-record-one] of self3 i) Z$ ^6 T9 [/ ~4 q3 n+ O
9 ^7 W, P; l8 k& Uset trade-record-current( list (timer) (random money-upper-limit))" n8 i; D! _0 f
# y) ?2 F+ q4 S% A: z- b3 m Wask self [do-trust]
x8 z/ C4 j4 \, _" R, B& f% y;;先求i对j的信任度- D1 s4 d- Y7 F4 Y) m: [
$ R. Z# r. z* i
if ([trust-ok] of self)
) o% n" x B1 S# C;;根据i对j的信任度来决定是否与j进行交易[
! W% G/ H8 G A% y$ v5 O9 q/ y; Q/ Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( w$ w5 y( `- X0 o2 v
9 M6 j! T; x' p& h[
8 T i2 h* w8 g7 K! W( I
2 n7 O- B1 o: D, F1 u& F: _do-trade# u( n/ A" i- W! E2 C! I2 \
+ n; l7 o D, A- J
update-credibility-ijl0 {5 Q# ` x, }# C5 Q
1 d8 R6 M0 O/ ] o" w) |9 ?/ q5 m
update-credibility-list/ N, l5 K& C1 p8 f
4 L" p8 c% i* e. }) j+ d
3 a( G" x' D9 b! a( Lupdate-global-reputation-list- k, o- `: Y0 y& f: d) c
% `% X4 N" {1 P9 @* K* a
poll-class. ~2 S U- I" r
7 `% i! u, a5 L& L4 U7 A. g
get-color+ t+ v- g# a6 h1 C
5 {, Z& M6 s6 U5 G7 f9 E6 d! o
]]1 K1 e$ @) {7 X- a- T
/ g$ z4 p* Q. G. {) v* i: j;;如果所得的信任度满足条件,则进行交易; v% Z2 v" k- i/ Q
. {0 c; R4 q, `3 q+ B. g
[
$ ?& \1 d0 S9 _$ \: T5 T/ _# S K1 O3 ]
rt random 360
$ W. R: l- ` I5 A: p$ W P! D0 c5 Q1 X& L3 w
fd 1+ z6 v3 W+ [: K% f' H1 N
2 @8 [& v, i9 x0 d
]
/ u9 f9 c& y) H6 d. Q4 B3 Y% h# y6 s2 a* \3 W6 y5 e9 \. D4 i
end' M: O g5 w2 j: ]; [
9 t! @( V3 ~( l( \+ gto do-trust
* n# v8 w8 Z5 ?3 X0 qset trust-ok False
5 g# q9 ~+ e. d# n6 a+ j
3 Z* _- [. H! v1 x4 [% J& R
) r# q6 S) U$ z; D# {let max-trade-times 0
( t$ I7 ]+ h$ y0 F( nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ ~9 O( p0 l! [let max-trade-money 0
0 u U- P: X; |# i6 X. W, i& yforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 ]7 ?% o; j3 A: q6 |let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# _2 T' H7 l. U3 E! ]+ C" N5 @
: o8 K2 i, |( X$ {
+ p+ L% g# M" U, \2 Fget-global-proportion
2 y* N; A: O8 o. A; E+ ] wlet trust-value. x# C0 \; A$ P# @9 ~& ?* N' _
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)! x R: V1 K4 x; @' U0 [
if(trust-value > trade-trust-value)0 H0 u, ~9 c. Y, m: r' D, J
[set trust-ok true]
1 y( d1 @7 ]9 ? mend
3 d3 ^5 p% @; @( G( m: N7 g9 ~ p
% n0 [9 s, U2 f2 Wto get-global-proportion
/ w3 J+ r: v9 K7 Cifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
7 B; f. j6 P) N! c[set global-proportion 0]
0 H; y) W- V6 L4 N[let i 0# j8 J5 b, t3 f7 z: N* A9 E
let sum-money 0# C7 f6 `1 p8 t! Q* w* c: j
while[ i < people]0 O! u7 |7 j$ U3 c- s# c6 j. i8 }
[2 {' o5 b/ E' k+ H
if( length (item i8 f+ j8 r* f1 N5 \9 T- H5 m
[trade-record-all] of customer) > 3 )1 ~& k' C9 g0 i* e; l
[
/ |& { Z0 y9 h: C6 r* uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, n1 J* n) V7 M]2 A" [% d* O+ p, W
]. M0 l9 t" w6 N7 r# y4 s
let j 0
' y! x. }$ V# `1 c: t4 ~2 R! Zlet note 0
& B4 D' |/ ?+ _7 Iwhile[ j < people]; a. b0 \3 f( b
[
0 `) x: z# V% J h' zif( length (item i- t) @1 d6 L+ [
[trade-record-all] of customer) > 3 )
/ c& D' Y! w0 u* E# n$ j/ _[
$ S; D) V' e6 y C7 C- Q' t0 Uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); r( e3 n- M4 U2 `8 c8 i
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ V7 q1 T3 D* t( G s. d) z
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 c) B" V- \; A4 H9 h8 b9 {]1 }% P9 l; u) @- o/ [/ ]& V
]! T9 X2 |: [# M; V
set global-proportion note
* b4 c$ O$ [/ ^7 D! c& x; a& []% |! n; S) Y# s5 E s$ [, {
end
/ N! n- }# V) K& d# {) {) ?/ {: {3 p
to do-trade) Q: ]$ ~) s& D9 k1 K8 W1 r7 `
;;这个过程实际上是给双方作出评价的过程6 i* E% [' N1 v7 R& G
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& ` M' S% N$ O8 l: \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
( k# ~ D3 h4 e: t5 Nset trade-record-current lput(timer) trade-record-current/ _: F2 i: E8 N8 p( r8 P1 u
;;评价时间
5 p( j9 u5 R* v7 w9 G0 Z! Q! A& qask myself [' n- z+ [9 y: V8 l6 P# g. U
update-local-reputation
3 _% f. ]4 V# U, N/ b( F0 z2 Qset trade-record-current lput([local-reputation] of myself) trade-record-current
; U1 g! \2 N5 e/ |6 p]6 i8 T; \( s& o
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
C3 b1 T% r5 m;;将此次交易的记录加入到trade-record-one中
; S/ M; o, A# C" d. M' Qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' e( u% b) O0 t* L: k c" u Tlet note (item 2 trade-record-current )6 i& @* d% ~5 V
set trade-record-current; @5 K+ e ?0 Z% v
(replace-item 2 trade-record-current (item 3 trade-record-current))
% |- v. R& R# _8 S0 z, K; Bset trade-record-current
$ A5 k* G$ Z: c+ Y6 H(replace-item 3 trade-record-current note)
7 M+ X* O+ o- d% c$ }0 u+ \% c& i: g/ z [( ^
+ q& ~$ N, u" n [- K& Kask customer [7 o4 o9 \9 ~1 D( V1 j$ m* O
update-local-reputation s* Y7 v$ b8 Q, W f2 v( }# @8 {
set trade-record-current1 l4 z1 v& j; N' ~7 p
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ s: i- Y+ y0 ~. A
]. g! o) n- R& Z$ c O o( p* d) t
6 E8 R6 k4 \5 F
: U/ n; k4 r3 q$ j0 H4 }( M
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- {8 n" G0 ? u8 J% n1 s C" p' f4 V* I Z$ d
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ ~9 e: q0 x/ k- H;;将此次交易的记录加入到customer的trade-record-all中
, M( _& A1 a0 ~4 B: G& p( Lend$ L. h z! x- V( s
9 f% A4 r! q' l- G6 Fto update-local-reputation
' q8 y, M; B+ @; b- fset [trade-record-one-len] of myself length [trade-record-one] of myself
x- Y' U& L( ?' D% L0 ?) O: _1 s1 `; W
7 c8 F6 [- y; w m
;;if [trade-record-one-len] of myself > 3
l0 r" \6 S* wupdate-neighbor-total
" y" N, y! R6 b" ^;;更新邻居节点的数目,在此进行/ h' o; F" y- S+ U( M) V
let i 33 F; u( t! {( X5 D( ?# Y
let sum-time 0
, S$ k1 c1 Q- a* ewhile[i < [trade-record-one-len] of myself]) J8 B/ \1 ~) q
[0 v/ T* ]% T% @8 G6 L7 {' V
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). ?2 O8 f$ ^+ e' V9 x
set i
; Q9 O' X+ v3 Q$ M0 @3 C6 V( i + 1)# g. O- F; f* M
]
/ B7 Q5 c9 H" _, h3 G T7 qlet j 3
$ u/ Q' B- m8 vlet sum-money 05 H0 w5 K- A2 T" S9 U% N: J
while[j < [trade-record-one-len] of myself]' `+ p/ e$ }/ Z* G
[
2 B, B7 S8 O2 C. Vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
1 F, Z2 F# E) m- [# bset j. W7 G |. r& A% G9 S" ]5 L: u" Z
( j + 1)2 t3 V; b* A) ^, H( E1 j6 z5 W
]
- R) z6 z& G+ X% ~0 A) flet k 3
# l3 W b8 t1 w+ D* y& nlet power 02 p8 L0 p& v- ?; @0 ]5 U
let local 0
- V8 U* B8 C* y1 Owhile [k <[trade-record-one-len] of myself]4 f0 r* B5 g1 @1 t# V; o* G2 h
[
% C3 M9 ]( n+ F, uset 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)
+ l; I" U1 b9 J" Eset k (k + 1). I8 Y: A+ x- V
]& k3 j- ~, N R
set [local-reputation] of myself (local)& ~& ~* d3 i' i" R1 ~' a" ?; X
end
. l$ d1 W9 b6 R5 e5 U& H: \( n3 p8 [5 M6 _2 k
to update-neighbor-total) v7 ^! w4 a5 v0 A. Q
9 o& |: Q! a& |
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 L; ]9 _8 a9 D; F, m b; v) t/ I+ V
" v4 e) N8 Q1 d+ t
$ Y! z. |( v& s6 u' \, bend
6 P1 w9 x5 c" o" E& j5 m
! u3 K/ l7 J8 Fto update-credibility-ijl 8 C1 ]* [0 B) r3 e, o& f( s3 E
7 r- S& {! c+ B+ i" l;;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: s4 H7 b6 ~/ n" g
let l 0, C% [& C, n Z: W0 X1 `
while[ l < people ]
) e: ?1 s; ? h# ^& G+ H;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' b8 W7 q( L* S' r, _; x* b, Yif (trade-record-one-j-l-len > 3); C7 c4 P) \+ Z: B Q
[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
$ C/ v8 o# @' u |7 J6 {' Flet i 38 P' y" e" H6 J. p5 e8 A" ~/ r
let sum-time 0
Z7 d! V8 i/ ^/ F* Q. `while[i < trade-record-one-len]& @( b/ a5 }, I. d, I
[
# K$ I5 T3 [2 }# I5 T9 \4 wset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: L2 \3 w2 {0 x pset i; h& }& Y; d- d: |3 j# {
( i + 1)5 O% p3 R2 W/ P. l
]' _$ v. X+ _' l* T& J( r8 Q2 ?; v" j
let credibility-i-j-l 0
2 Z- A5 U; g$ ^8 b9 g4 }$ e$ Y;;i评价(j对jl的评价)
2 F- A( ^( t/ L8 i) u4 xlet j 3$ F$ L9 F$ ^ a/ `2 g- N+ I) r
let k 4. p# U( j) p' f+ I4 Q' y( i( u
while[j < trade-record-one-len]- g$ L7 T2 b6 S% @2 w
[
1 Y9 x% q& s: K+ Lwhile [((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
; g" K, B5 z5 Qset 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). Y5 a7 _& p( [8 z
set j; Z4 c% s# `% f: N5 L# N7 a8 ?
( j + 1)
C; d4 D- a0 \, `# F]0 t3 Z2 E( ~. b, U0 j
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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). Z1 c" q& m- m* q
;;及时更新i对l的评价质量的评价% B3 l4 v4 T6 ?4 l5 Z
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' e: p- k! d" ~set l (l + 1)# _- G+ u4 a# E; `. @
]
8 r9 L. a; q) {+ [) c) tend8 d) `7 K+ X# q2 o! {9 u r9 p8 k
: k& I6 b4 D& a2 p! o0 [5 A6 L- uto update-credibility-list
; e- k6 A( T' Wlet i 0
& w/ A5 W9 i4 Y$ T/ G+ dwhile[i < people]
$ l1 T* O; }$ S$ R0 f+ j' y# m% v[
I: a7 w6 F% Y/ E) tlet j 04 z. _" N" y8 E" }$ a- m9 @
let note 0
& }6 |0 x, U! |9 ~let k 0/ f$ @( a1 E% V
;;计作出过评价的邻居节点的数目
$ i" T l8 T( a- ~5 G& zwhile[j < people]
7 G4 e# P3 O1 m1 R* }6 L[$ v5 _3 t2 g. d* q' o5 ~9 A, O
if (item j( [credibility] of turtle (i + 1)) != -1)& J' |8 i |! T+ y
;;判断是否给本turtle的评价质量做出过评价的节点
) @' y2 W; R3 A[set note (note + item j ([credibility]of turtle (i + 1)))- k5 I" _3 v( e2 R
;;*(exp (-(people - 2)))/(people - 2))]
$ c, [+ b4 K- e3 D4 [/ X- f) @set k (k + 1)
: o7 t1 z( H$ \: |" j9 {]$ F0 D D- p; z4 M& p, x3 k! G
set j (j + 1)2 A, Z* k i% Y* g7 x. d7 a
]* Q2 x# M4 I! e
set note (note *(exp (- (1 / k)))/ k)* Z! v ^' r' H) s: E
set credibility-list (replace-item i credibility-list note)( C$ p) E7 G: A3 E9 h# u$ p
set i (i + 1)
/ R% H i9 J0 A4 E8 }: N+ W]4 Z( q1 O* K% Y, c/ r( \% y9 ^
end
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- W) z, B! Y8 i3 Z% wto update-global-reputation-list1 C+ T8 W6 O& C6 h7 h# ~0 s
let j 0
3 |! t# D& ^+ m6 H8 s' nwhile[j < people]
. o2 h0 s0 F4 g/ T1 |[
0 h8 o0 q) {! ?) D! L+ \9 y6 `let new 0
3 S/ M+ ^# X8 n) |& f) z;;暂存新的一个全局声誉& X9 o7 l/ g5 J/ `9 n! C G
let i 0' F4 n5 ?5 W9 U' A V# b
let sum-money 0
% F. k) f4 A0 F( [" qlet credibility-money 04 Q1 u q+ D( }1 l1 K% _
while [i < people]
( `1 h& @/ [+ [+ y4 n[3 K/ H" ]' Z: b' d% v) I/ c* B
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 v2 _- c! W, o8 \5 Z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), l& g( B- ]7 y
set i (i + 1)( {' B4 e6 ^5 u
]$ W! s c- F9 o: ?- _
let k 0) q! l n/ O8 f, u2 S$ c1 b
let new1 05 P: m8 G0 b! B5 E' B1 q
while [k < people]
5 i- C+ f: @% F/ T0 y+ S: F[
, o& x( n0 [' Bset 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)* v+ n3 j( x, ?0 i
set k (k + 1)
6 E! c/ ~( ?) m3 L]" q4 q: ]) B$ U$ ]
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) G1 N: y5 U9 f8 Y
set global-reputation-list (replace-item j global-reputation-list new)
- i# r! w @2 Z3 g! p+ R1 x& h, Eset j (j + 1)
3 Q& n Y& N$ _4 F2 x3 ^% R. k] Y. m P" N7 R* R. p# V. y
end
7 W# ]& x/ ]2 q, ?
4 L3 L9 ~& A: X* Z7 E& C4 ]/ n, i3 g! R' Y- Y( H% {
* j( Z) r; s! X& X+ C+ Y
to get-color2 F0 Z1 F- i I! g
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set color blue& R! D' _: i8 l. H4 z/ ]
end
% N4 N. ?0 Q( p( ?6 F
/ v0 k. x5 J6 t% ?7 v# M( B* Kto poll-class
+ w9 k! G9 c& H# n- x. Xend( _# c$ @8 B% C4 |
, x1 t' L( {( M: l g% dto setup-plot1
) q/ V" t5 K/ ^# g3 @
7 z. Y1 N" D% eset-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax7 ^* s5 ?; y1 X. d+ j3 L; m
end1 V* z8 W" Q6 ]2 s9 l. @
7 B/ B7 a5 i0 d7 H" V @- Cto setup-plot2
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set-current-plot "Trends-of-global-reputation"( e/ w) ?' r+ P# P& V
' Y" o& w2 G2 h, X5 g5 Jset-plot-x-range 0 xmax2 ^, Y5 m9 @# p" V4 s8 T9 {
6 R0 a; H: C9 ]. a4 n- Mset-plot-y-range 0.0 ymax
1 z! a7 |, F! t& v- ?. Xend
Z: ?# ]& \% B# m. X
& s7 Q% v5 w2 M8 [! X# i* D3 Sto setup-plot35 I1 u! w# b/ w5 r2 x9 n$ z& Q
7 x1 K! E1 q. l% J1 k
set-current-plot "Trends-of-credibility"
$ G& e1 V* X5 d/ y: b8 i" {. L$ @0 _: {' |8 Q+ `
set-plot-x-range 0 xmax; q% X- Z* f* O
2 u$ y* P. P4 P# O
set-plot-y-range 0.0 ymax
' E6 g# N+ G) tend- _0 Y% A8 n& R. P$ ~
: V- Q A2 k/ e: Q" U. Jto do-plots' v! f6 h7 U# n' Z1 r. U
set-current-plot "Trends-of-Local-reputation"
7 L! }9 [7 N% g9 `" pset-current-plot-pen "Honest service"
P, s! T+ M) A6 L( mend
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$ o. F) s0 n9 S; `[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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