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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
9 T( A9 q3 @+ V" G# iglobals[
8 n" I( Z% U$ {. u3 ?; B6 mxmax: K5 i6 v3 Q9 q( d3 {( J2 j2 A
ymax
( I+ r% U2 L: G# [4 k( Hglobal-reputation-list' ~( C% s( L' F
; c i9 Z( J2 Q0 S9 I;;每一个turtle的全局声誉都存在此LIST中' R. ~' W3 I4 w# v/ N3 V$ D8 I
credibility-list
+ i# N% ~- S- R6 z/ ~" m;;每一个turtle的评价可信度
3 f+ q8 V2 ` O p% a; J9 ohonest-service
9 R) e" q8 p6 t! Hunhonest-service/ N( r, z. d- U
oscillation
, u5 \9 o6 @$ a* X9 n* }rand-dynamic
, u, N/ E& f# J& K7 L]
$ o. C* \; V4 W4 N
; H0 E0 {4 M( R% A8 xturtles-own[
, @) v! @, [9 A5 V1 atrade-record-all# J/ p8 E; }; [. M" M: ?
;;a list of lists,由trade-record-one组成
( o- S8 C/ @* Y8 i# a+ j; Dtrade-record-one. [. a6 q& X5 c7 H2 @- z/ y) |. 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 }( I# O1 K r9 ~2 @0 T+ {
( L3 W; ]) O% ~" c! D9 E;;[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]]
% R6 b' v: \7 J' _5 d- q2 ~3 Ctrade-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]
2 f! j) y' P8 h) ^$ ]1 o! Y/ m. V( vcredibility-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
7 U# |2 c4 D* Fneighbor-total- E9 d; E6 b" P# n/ ]/ O8 ~
;;记录该turtle的邻居节点的数目0 f9 v7 i0 X+ Z. l% c& j
trade-time$ R) ]8 c# d. b
;;当前发生交易的turtle的交易时间
% S' E5 u# n( [1 ]6 W' [3 z3 @; t) Nappraise-give/ k# D5 D L Q& f2 K
;;当前发生交易时给出的评价
# X4 F7 Z7 B# Q& }5 k; Jappraise-receive
$ S3 O' r$ g" F: p& |" B;;当前发生交易时收到的评价
- c, M5 D8 F1 N0 Qappraise-time
$ r1 ~9 t7 G) Z4 d. p" V' i( {* ^4 h;;当前发生交易时的评价时间
, R9 d5 a+ p" Z% C" g) zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 }& g+ X9 ~: y1 _8 q+ H7 Wtrade-times-total: `$ ~6 Y, o& u3 A; u) u
;;与当前turtle的交易总次数
3 a# B9 o, \0 _" M. K( Ptrade-money-total
# Z, |- a- F8 Q' [0 o;;与当前turtle的交易总金额4 p# q- `* O$ n3 {6 B6 ~. B
local-reputation
2 v1 S1 v3 K$ C+ b& l9 Q: Mglobal-reputation
2 T# g+ O0 [9 M4 E5 M5 Y* v# acredibility
* T: h' O% A( c6 u;;评价可信度,每次交易后都需要更新
1 x" N/ `/ |; @% f, c# f [5 T3 xcredibility-all8 c. p: |% x# d" {. o3 O
;;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0 E& w9 o0 J8 u& L% ^0 Z' K
, A+ r4 S; X. R3 r; `, T0 x5 z* e1 G;;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
1 ]9 t% w! {$ ^$ Jcredibility-one
; D' ?! x, N. z$ \6 r;;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; U! x) c, j2 T3 U, k) r
global-proportion* u3 a3 V4 w) U
customer
, J! n" Z4 i( E9 G. V2 D' Mcustomer-no/ V, `$ H# q5 Y# V
trust-ok
) d% V- e1 n" P, g- l( f1 u3 ptrade-record-one-len;;trade-record-one的长度
4 [6 j. b! I8 h]& F" P9 g" [. I0 f4 c
+ I/ [* H0 i' Y8 B4 S$ L% H
;;setup procedure" M' \1 H8 m9 |3 B/ Q+ s
7 h- W3 N1 K5 w: q/ u. U6 fto setup
: Z$ }) _( l- h9 d, j- S. O3 b" B" J4 j1 L- X
ca
9 O- o) v# s( |* U! W/ a$ C* X/ B) d; W; @: C
initialize-settings* h+ t0 |0 c' L' w
4 x9 a5 Q& q7 x7 H! v6 u" f) h3 Hcrt people [setup-turtles]
2 y& [) R$ l5 j3 h# m% k
0 ], P" F# @6 q, C! ?4 W# x' f3 lreset-timer
. y3 e9 G" ~2 I
7 g/ _) m% G6 cpoll-class* H: w' L4 f. Z4 W- L$ _* v* P
# v* `# M9 y. k
setup-plots% x. i) E6 ?: ?; i, }
9 w( C2 o5 e! w, ^8 E N$ U
do-plots
+ M/ I. q# e m0 T5 i( cend
: _5 s: N1 Y- p& H- o( S' w8 |: |/ J# {5 w/ K. q
to initialize-settings
4 W- b6 O: u2 o" a9 W K4 z
" M5 G1 U Q4 d$ f9 f8 Bset global-reputation-list []" R( N6 Y% Z* u7 q! Y
: g: j) H! _) r5 C" S0 \set credibility-list n-values people [0.5]: f/ U% f7 I# L
8 C# O, g3 J' g: q4 X
set honest-service 01 Q$ a/ a- _: ? @: c3 z
& r" h# b2 t9 v& }+ r- ]& S
set unhonest-service 0! w m2 h1 \3 a- y N9 ]4 Q
2 @& [0 X6 G0 W2 ~$ b( o/ hset oscillation 02 s, O! b5 t8 L. @. Z1 H4 P
* V# H6 m: B" T% ~& R
set rand-dynamic 0! o- m5 c0 {0 V1 r1 ~
end w0 O/ N0 w9 v' X- Y* f. W
7 ~3 B) }# p: s# {to setup-turtles
7 _$ }* h$ Z& y& q3 S$ \set shape "person"% t$ a) J7 Q1 r9 F/ {# H
setxy random-xcor random-ycor3 }' k/ B8 G4 }: g v" x
set trade-record-one []
* `+ O& U3 p4 d* [
7 ~1 C5 ^+ X2 D( @set trade-record-all n-values people [(list (? + 1) 0 0)] ; J; T, Q. i: k5 K g9 q
9 a {6 p. f; V! R$ wset trade-record-current []
7 p M( V' c0 V, Q5 M3 A) h* G5 Uset credibility-receive []* C0 `- U" ]: i% i% [
set local-reputation 0.5* S5 r/ {" i1 N; O: k4 @# L
set neighbor-total 0 J/ Y, l. D- M! U, N
set trade-times-total 0& J0 D- H: n, {- g
set trade-money-total 0# i# |. k% n: L- M( V
set customer nobody( T, f% t8 Y; u; i( h& w/ y o) e) |# |
set credibility-all n-values people [creat-credibility]7 ]7 X/ r& n5 N- O' Y6 Y! {. M" _. `
set credibility n-values people [-1]
; s( Q$ G4 q+ z# Hget-color a8 E' w7 ]/ q4 z0 o, L
* r% n4 i& M" ]! q9 B
end2 G2 |) Q% E! w, F1 N/ H8 D. T
# J' K& Q, K" z* y. X% n+ d2 a% L1 p
to-report creat-credibility" p/ ? t3 l% y: @
report n-values people [0.5]$ w- L$ X7 H, w( w9 V& b2 a7 f
end
7 c# w/ J6 c5 a2 p: f7 ?
+ p1 }. u0 ` S7 r0 G* t Sto setup-plots
/ f" ? Q C; o. P+ Q# z: ?8 ^
/ B3 S1 ^$ N- pset xmax 30
- [0 _! C4 b" Q5 }$ g- l9 K" ~9 @5 h
. n G- R( D& @. B1 F) D g' `; j4 Yset ymax 1.0
4 k; T" u3 M* e3 Y6 L a" H; y7 b6 w2 U
clear-all-plots2 I& ?5 z3 X- W: t1 e
. Y/ ? {6 S" a: D0 B
setup-plot1
% B6 ^% S7 l: ^! @$ [# S2 ?2 C
3 H& K4 L$ i) ]: g/ [ d: o( Vsetup-plot2
) D: h- q/ C0 L" q
, [0 I. X( b- C$ Fsetup-plot3
# [. ?0 ?: ?) D) f6 \8 ^: oend. u! b. m D; l# g
6 p4 n, E0 Y$ } W7 o1 n5 m
;;run time procedures' u# G' p+ ]& U* o0 G! E7 J; I2 }
& w) y2 c5 y& M6 F* ]9 ato go6 w& W& R/ e7 Y( H
O- g0 }, O2 H( @0 Jask turtles [do-business]
7 P' `" Y- [$ t( H6 ?7 nend2 z: q& Y: v5 n4 ^ s% m
& c; f' x4 h: O. z; F+ L: kto do-business
7 d5 F4 f8 @/ d) z' G* l) [3 o* {2 U( T
, m6 i: A6 U6 f4 B
rt random 3603 @) Q' n$ F# s/ w! W
; W$ k( r4 T3 P* i7 K8 @! ~8 Afd 1
% {* M, D7 {$ L/ |0 K
0 f" t9 p) G7 ` s& C8 | sifelse(other turtles-here != nobody)[
2 N% q6 q3 P. ~: H9 Y. w! _
4 |- {$ P5 p" ]set customer one-of other turtles-here0 N. ~& ` e$ u# `4 f) {
0 ?2 L. L# k4 m, c
;; set [customer] of customer myself. G7 p0 X" r/ O+ M& z; ^# Z6 }5 F
4 j. w; k8 g9 x# S
set [trade-record-one] of self item (([who] of customer) - 1)
) I- \: I8 H+ j5 a# H9 ~) S. P[trade-record-all]of self1 X3 i8 Y8 }. M5 E
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
5 a* @+ `: U. \) v
. K7 B% d! M0 y9 ]) z. Xset [trade-record-one] of customer item (([who] of self) - 1)& K) |+ ~/ v. J$ u1 a9 w
[trade-record-all]of customer' \2 r7 e* Z" B/ e0 c; G
* c' j" `6 M9 Q' E0 D0 [# K
set [trade-record-one-len] of self length [trade-record-one] of self
* O6 L1 X5 }5 w; e9 z* ]/ c' t" D! b) r
set trade-record-current( list (timer) (random money-upper-limit))
" X. m3 a2 s \, {# c* w# x) b3 i
+ s. O4 Y. Y9 zask self [do-trust]. p! S7 |$ `# _( q+ Q! q% [
;;先求i对j的信任度
+ [7 Z: }; _0 j( [/ G, m! P9 |# @# C* ?6 R. ?) W% P/ b% \: l3 O
if ([trust-ok] of self)
, V5 ]! N* J6 g) q( p;;根据i对j的信任度来决定是否与j进行交易[- k" l1 R" [! t+ Z: c
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself p2 Y z# a8 `/ b
( X. ?! a. | W% L0 A[! G7 ^9 H5 s7 W. P
3 o9 |( z- E b1 E; K/ [do-trade* P6 ~& D, L4 e; [4 v# Q
" @4 C# p `, y3 G
update-credibility-ijl
& P5 i, {3 p$ f. _' q; c0 G# P3 a+ O7 ?: U% I8 v/ b# {
update-credibility-list
, V# T: l1 R9 B% |" z+ @# u7 Z+ g% S% ]0 L# H# y
$ K2 M1 {5 C$ @; @) @" I" ] i
update-global-reputation-list
* f; V! a$ A z* a" P6 N8 A) r# K3 |! R" Y$ c" Z& l
poll-class
' @% n* j" p3 e+ E7 _8 r4 C8 M8 C, ^) q0 S. a
get-color
7 M) }' K. E n! x) y9 D$ N. t: [8 x" U& w" e, k4 v9 O
]]
+ @5 |7 ^. u# M1 ?% E
: j- U7 T; Y8 \( ]2 E' t;;如果所得的信任度满足条件,则进行交易
( q0 o$ d. O: v# `6 Q7 y A5 O; l) V+ |0 D) J% ~
[
& W+ |* ~4 r' t$ {9 W U5 u* K3 R; O7 w8 ~
rt random 3606 h( h4 f0 I+ L! e1 B
2 K& k7 u* e9 o. J! nfd 1
6 ?7 i) a7 T% o+ l. N
& }) C7 \# T' W' c6 A b# o* v1 T]7 ]1 }. H6 z! ~6 t* T R- ^
$ ?1 Y* }+ P8 @5 C3 R0 v! D g3 Wend* x2 P% \* y* X {3 r/ X
/ h8 l9 o* p* m5 ~to do-trust
- o* C6 y( `& C: d( p( H5 q7 |set trust-ok False% O- K- d4 ]4 ^3 Y) K; w
" Q+ K- L% z0 G* \& R/ V# t
! _5 w2 o; A* U3 y* R% g! ~
let max-trade-times 04 K4 R' P( n( y/ \7 x5 t5 O
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( h K1 k3 ^+ z3 ?# Y V, Z
let max-trade-money 0; u, h& p6 U$ A/ m& Z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ Q9 L3 n9 } a6 T {4 K& B% _let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ B+ M( y5 @4 i% A
: b3 C. I) F: n. A6 P8 T1 e3 h; C! G2 ~, z8 W4 w
get-global-proportion: N1 a9 o0 e; ?5 Q! n4 ], C
let trust-value
+ T. t0 N/ x- n* \9 M# mlocal-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 `. e' ]4 R6 O. [4 m$ F$ @if(trust-value > trade-trust-value)
' X) `* A6 ?) l[set trust-ok true]
" `; Q' I$ \$ j# p! p# u! t- xend. a5 c& ~' d0 T9 W6 ~4 c5 M# V
2 L4 P2 I7 h* ?" s" K& ]6 ^1 b# Gto get-global-proportion
/ o# K6 _- _, Q) [6 B1 Q' j, Aifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)6 L" x* l; l5 x
[set global-proportion 0]
_1 C3 B [, f' E0 V9 B* V[let i 0. L: U- Q0 N8 f
let sum-money 0& H+ V3 g5 L& P0 x
while[ i < people]4 { V/ _" B7 S y9 S) @5 W u
[
) y4 h8 e! p3 b& dif( length (item i3 m8 B7 W" z& l
[trade-record-all] of customer) > 3 )
5 r, [. ^6 k4 V% e1 U4 w6 s$ M8 G[; t( L/ c) h) Z, ?9 W) ]5 U* {9 O
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)): u6 b' O" W+ `5 W
]
2 ^0 e7 o4 K9 P* }5 X& ?* T]. M$ _) n# ^" P2 e0 H* x
let j 0
; ]$ Y Z( O/ V# o1 ?9 o; Glet note 0
7 b5 k/ {1 S2 q* a7 ~while[ j < people]9 F+ D& d& ^; v4 Q
[
9 c' v& Q( @4 R1 S) h" Z( Nif( length (item i
" _4 v( P( s6 c; q* R3 V[trade-record-all] of customer) > 3 )- B: K) H$ D# i1 Z, i# d% m, M
[
: v8 Z H7 q7 Z5 b3 Lifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)0 r5 o' M) S+ c' \3 Y
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) v" C. K$ n# S; o# w; f% }[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]/ X- a X& v9 c9 r* r: D
]
* Q2 l! R( T$ v" @% W& Q# ?, Z]8 u2 P1 l; d; l+ `. e& b2 N* p
set global-proportion note( {" Q/ ~; N, Q/ ]' U
]7 c5 I j9 w/ h% z6 V
end6 b8 W) M- \4 [! X C) p
: x% g7 F& x9 h' \! ]; L; Yto do-trade/ C+ L, i" j4 W5 ?. ~
;;这个过程实际上是给双方作出评价的过程
$ S6 _ }2 x9 }) c) m" Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& x: z* h; Y8 w$ }( y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 N& q3 i3 Y( p! _/ g; {8 P
set trade-record-current lput(timer) trade-record-current
2 ^3 c9 F w+ N4 M, F; v3 U9 o;;评价时间
/ S2 j8 Y5 w; S) Oask myself [3 {, {( m. ^) l- O- H' K2 H' D
update-local-reputation
4 `- U& M3 X* eset trade-record-current lput([local-reputation] of myself) trade-record-current, X0 b2 P( f- }5 S8 g
]: @6 S: T2 P% E2 f
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 ~- B/ t3 R8 m' V% ]8 ?- e;;将此次交易的记录加入到trade-record-one中
: m% l9 d0 _& _4 Aset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# t |1 R; |! g& X
let note (item 2 trade-record-current )
& N% ~* C8 s+ Y2 ]# [set trade-record-current4 q& ~" @ g0 r$ @1 X9 N1 X
(replace-item 2 trade-record-current (item 3 trade-record-current))- j! V$ Z% x- n. q" o
set trade-record-current- B+ s! h, W) S
(replace-item 3 trade-record-current note)2 @7 p& `6 E2 i C$ `- ?( I, J
, \4 ?0 g+ U6 y: |1 q
0 G9 @9 E: U9 R& r* Pask customer [. H1 y9 q0 n0 n
update-local-reputation
6 Z! C. i$ D" \* G- cset trade-record-current
4 ]% i/ p& q4 A8 l# q# N- ~(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
) ] D% C/ ]9 @; J4 }7 Z]. Z" \) U. c) I6 K3 A
( s$ p' ]9 F/ U4 ^# p4 J M, L: K. Z: S6 l% q2 y$ R8 `
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
' _$ E; a! c! t# x* A8 C# i$ t% Y# G; V9 f( `
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)), Y3 L; U# m) J
;;将此次交易的记录加入到customer的trade-record-all中
& w7 l* I: v% j( Yend2 _- @4 T+ i% t4 x- ^# S# g( W
- G* J0 l9 P- f; E7 B8 X- N) ?. N, pto update-local-reputation
" d! N9 n# X& P _0 W _* L1 oset [trade-record-one-len] of myself length [trade-record-one] of myself
% s2 U! e% P* b2 S" H4 G9 H; l- F& M. N# R, I/ r) V9 `4 O
" h0 a! Q8 P$ C9 I
;;if [trade-record-one-len] of myself > 3 / G" G1 K- p0 f' j
update-neighbor-total- Y; i$ X! i0 l" \/ a. Z0 C
;;更新邻居节点的数目,在此进行
/ f7 F& X. l$ l% Z3 u7 jlet i 3
1 n0 y% X1 P! I9 q2 o4 ]5 plet sum-time 0* j1 j) i0 x% w. K0 [5 u0 \
while[i < [trade-record-one-len] of myself]# g0 F( e, p1 W# g/ l
[3 E% i) y+ ^: i1 W: P$ d! e
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 T+ J& R) [) N- g0 n; g9 K* r; pset i$ k/ \* ^8 [" w$ V
( i + 1)
6 _1 X0 s; a$ J. B; b [9 |]
- V( J+ a/ ?) n6 P' ^' P6 E, mlet j 3
( [; n9 } q$ ]: v% ~let sum-money 07 k. o, k i7 `( x v4 u9 `
while[j < [trade-record-one-len] of myself]
3 x8 q3 r$ C" m7 l0 f% q( p[
. Y8 O# G' U4 |: ]' V# f0 qset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)5 M) z& I! s3 r
set j
; H2 ~6 @& G+ v& ]8 T. k( j + 1)* B; k Z( S) y# ~" ^5 ]
]5 R4 p# w" \3 t0 u0 c7 G
let k 3
! d/ u+ n. v0 Z& zlet power 08 ?1 i9 m0 f% N; z' t, f
let local 0
% W% p' v0 j. f2 Q6 q) owhile [k <[trade-record-one-len] of myself]0 M' @% G2 o' q4 X9 _( w1 [, ~5 m
[: A; u; F/ t5 k2 s- p' c0 r( W
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)
! R" y1 W! ?7 a1 ^: k5 k! Jset k (k + 1)$ x: ]9 \2 {: w9 M6 L7 j
]
5 l8 ]( e2 H9 Y+ a7 s, D" V% ~set [local-reputation] of myself (local)
2 ^' [# x& @1 P4 F! W" ~end5 l- l; t0 k+ h+ n& O* X
1 `! c& U- H+ Y
to update-neighbor-total
9 s9 a- K+ Q$ v5 }; i P
G) r/ o( a; R# sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ \3 [ q7 k( k- D* J. T0 d8 r% G4 s. U8 g
: P7 b% U1 P9 K# \) B* {end
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: D3 y! o; f8 `7 o) Ato update-credibility-ijl
7 x) ], ]$ Z! V6 ?$ L9 N8 r6 e7 ~4 s6 w- ^% n. ?& X. g
;;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。/ e" h+ w- G4 G9 d6 V) O2 U2 X0 m
let l 0
- c$ r6 D8 }+ N" h- q, bwhile[ l < people ]
0 j% ~6 M' 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1 p# R) P! P; I( t9 S/ I5 ~( i
[+ H J; y/ W/ S9 R6 p G
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% A# u e. t" K4 o/ Hif (trade-record-one-j-l-len > 3)
7 k" K6 r9 g/ t$ q3 M[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-one4 B5 ]9 _# e; L' {# S" X
let i 33 Y3 l5 K- E3 p# k* Q. {% |
let sum-time 0. z7 ~ _- k3 }) j
while[i < trade-record-one-len]% \8 h5 ^7 M" T& r% F; C8 G4 z- g
[/ y6 y4 a4 m7 G: g* {6 p
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ J: N3 V5 u3 W3 w: r7 r
set i
6 Y9 \' o! F) e L: V* f& O( i + 1)
- C! R! d9 h: P3 ~]
# m: M3 W$ }& W. [let credibility-i-j-l 0, K- r# K% U6 ?: v l$ v
;;i评价(j对jl的评价)
2 C' C; {( h* w7 V# ?) h/ L" ~! Hlet j 3
; p6 d" ^, j# }let k 4
. W7 [) `' f" k) C7 i5 v r% Fwhile[j < trade-record-one-len]- g$ n: v* r t8 C
[
3 L/ q- U6 t' {9 I9 ?8 O% qwhile [((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/ G4 V& @' k2 d/ l0 ], ^, D' c/ z
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)8 {# S9 ?- g, z, Z+ D' m8 N$ e4 }
set j
, ^4 y) ~% k9 J6 ]+ d4 a( j + 1): a+ b2 v2 ~6 b0 n. i5 d
]
$ ^& [& z& J0 k, Oset [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 ))6 T: L% Z" F9 _; K; H4 }; I+ E
& `- {* [$ e7 g% J- v+ s$ E7 |5 O( Y( i
0 ~2 j4 W! R5 _5 W5 s/ R7 s
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' t/ _# ]1 T; t- D;;及时更新i对l的评价质量的评价
4 L4 d+ [, l& L% H4 Uset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% e; w) n5 j' h! y* R
set l (l + 1)
3 ]6 i" c; J' B$ [5 T# h]
0 b! G* }5 t( \# yend" q9 o i- _1 G6 C w0 H
9 j6 O1 f+ N+ _& `/ x
to update-credibility-list% Q8 U$ p' D) x% j' x! S
let i 0
# g' s3 o) C& C( P! C0 v3 p1 ]( v, Gwhile[i < people]
( H( q; [" P% P5 L) [: I[
! l A3 q) i3 b8 I) V! X: a2 Plet j 0
, W& A+ F* |$ Alet note 0
8 Z1 j" Q% r& Mlet k 0
: U: {: v1 G+ G# G9 w;;计作出过评价的邻居节点的数目
, c9 C" s( `9 A _) m; x( ~9 m! ?3 lwhile[j < people]/ V t8 G+ T$ _& S; X/ ?+ ?
[% Y0 j2 R, S' E- r7 }
if (item j( [credibility] of turtle (i + 1)) != -1)' D5 B# e1 g- x
;;判断是否给本turtle的评价质量做出过评价的节点
2 Q. Z R$ N; P- h$ U' L5 ~[set note (note + item j ([credibility]of turtle (i + 1)))
2 q" m( A3 D# g. i+ i5 u% l0 U;;*(exp (-(people - 2)))/(people - 2))], g) M7 w- f5 [* p0 r
set k (k + 1)
4 W8 N U$ J7 d]3 Q- Y. q! W+ j5 Q* v
set j (j + 1)! R1 W- h6 V( U( ~1 y: }
]3 N& W$ z- [7 E' j
set note (note *(exp (- (1 / k)))/ k)
9 H, s0 T) l1 a+ a( @; @. b" hset credibility-list (replace-item i credibility-list note)
) j2 F: V) Z1 ~set i (i + 1)
/ H# V, V+ t' J1 S) J% @! k# D1 D5 C" f B]
0 y# L+ G1 }( R, D8 nend
1 p# {; s5 C* L! [1 f2 K
% i V) k) Y6 @- a' Pto update-global-reputation-list' c J8 W! \0 U5 U' a3 I
let j 0
+ y2 K. K4 E" O9 i o% zwhile[j < people]
0 P8 I& y& W0 w% T' v- e2 i[
/ p0 P, j) e/ Nlet new 0) `: D1 j+ X* J5 \1 n
;;暂存新的一个全局声誉$ v( J3 ?7 d6 s3 r/ q
let i 0* _/ W$ P2 T% x3 {% h
let sum-money 0
; h- n! h8 ?$ u& ]2 c6 G( Blet credibility-money 0* i7 w- N- d9 W% c$ F: B
while [i < people]
; C: _4 z7 v' F* f) S B6 S. s: I[
9 b1 b0 k" |$ u# {0 m( `( y) `4 Xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% s9 _0 i$ s8 L0 L- ^7 S9 M
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
& p: p. \/ z# @( J q. t! Wset i (i + 1)) L) }0 C- l. h; ^1 O8 b8 M
]
% g1 {/ ^; O9 [% Z0 U: I3 Olet k 0( Q$ Y! E8 K9 b- t" M+ V/ }
let new1 0
# }# `0 \& w2 J* D7 o iwhile [k < people]4 Z1 y' p, X; g! S
[1 U5 L( q1 ~4 `- i+ o7 G
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)
, Z% i j2 m. e4 k6 ?8 Eset k (k + 1)
5 N! V/ D" u$ s$ C+ s]
+ F1 f+ W: o/ [" M/ ]- iset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 0 T5 H6 v5 ^- [/ y- i j
set global-reputation-list (replace-item j global-reputation-list new)
2 U2 f6 U; ~ d' l1 ?: Uset j (j + 1)8 Z% ~' ~: P2 d5 W5 b- h7 D5 Q- }
]
/ ]6 `1 I u+ |: J' Gend' P( I0 v) G; `/ D
% Q& V/ U5 w8 K, l9 ]! ]6 r& L
0 p; _# k8 ~& P& X2 P
2 x d. [# {' ?3 _+ ~7 E# _; vto get-color9 [7 K. E0 B% {& [3 ?) t
y# ^2 ]: R0 c" v( H. Lset color blue2 t0 J& z' Z1 c- ]% P& ^2 l
end; b P, n; {3 K! @* M! }- g- ^
% `% ?3 i W, S- P M' o, L
to poll-class
y/ h/ ?, z% I5 M9 iend
5 p$ c8 _: b" B0 F6 A
) s V8 D9 R& X7 jto setup-plot1
* y7 \- ?; e2 ]8 a6 |
& ?3 f! R0 D D; {9 Z% D# r$ R; kset-current-plot "Trends-of-Local-reputation"
! Y6 ^. A ^# S* W' w6 k7 q% w2 J0 V( b3 h! s
set-plot-x-range 0 xmax6 |% |/ F/ F0 j
$ m+ J! z& W( ~6 A# [0 w
set-plot-y-range 0.0 ymax* ]- G7 I9 b% Y) k5 t
end
- E, z4 _. q) U1 k# c' R$ y1 Z' h& s, k2 S
to setup-plot2
4 O3 _8 {& U/ C4 e& M/ M
, Q7 R5 P- {* f/ fset-current-plot "Trends-of-global-reputation"$ ^( l' j( D. ]& x s
( a8 B6 F( p; q; G `5 R
set-plot-x-range 0 xmax
1 |5 K9 [) R% \+ n2 E, L H2 C
' }) J; i! V4 H0 \7 \' Y% ~5 qset-plot-y-range 0.0 ymax1 C# g$ f1 G# ]
end5 r8 f0 w" `# v2 U, E/ e+ ^# ~
4 M/ [& a4 W2 l$ Nto setup-plot3! @. T$ x! D q$ H& O& s
& @/ C9 J7 s. l% T* Z ~5 }set-current-plot "Trends-of-credibility"0 ~1 e$ F0 |' T& q
& \6 b+ f. L3 ]# l! P7 M0 Y! t3 Gset-plot-x-range 0 xmax
( r6 l/ g( z- r3 }, n5 K1 J9 Y9 H/ ]. K
set-plot-y-range 0.0 ymax6 }: _, Y0 q. x/ [$ F8 @
end
3 F. }+ s& N/ g, v+ ~/ q* d x. [, ^6 {$ o, Y+ x6 N
to do-plots/ c/ |) z; [* e5 v' I5 ?. o& z& `
set-current-plot "Trends-of-Local-reputation") G8 ]6 C! F* c5 C5 n/ u; V
set-current-plot-pen "Honest service"
+ y; b6 z/ C# [2 @end
- r! F- o) K5 {' P( A
/ r5 ]; V7 a# s* w v8 R( ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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