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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* P' ^7 ]/ I. s6 x
globals[
" }* @4 {" L% W; d y# fxmax& O( Y6 c4 u% p# J: h
ymax
5 r6 A+ M1 C6 A# M2 @global-reputation-list3 h" G/ P9 G7 k, N% s. m1 O
4 o2 p: f5 L. J* q4 D8 W2 J5 p
;;每一个turtle的全局声誉都存在此LIST中7 c8 B' ^' e6 _; x+ a) ~
credibility-list
2 r0 `; h3 X. S) {8 n0 R1 P; m;;每一个turtle的评价可信度
, t9 f; H, _8 \3 a* s& Q e. khonest-service6 u/ J) u1 s9 }7 F! @ B
unhonest-service- ^6 @0 F8 X8 ^1 t7 c& k
oscillation
3 {; K& i4 p( a& t. E7 ~: l7 t" wrand-dynamic
+ A1 @! E$ d: I4 |/ o]
5 F8 y9 b+ H1 a# k+ z( x
$ l; ]) Z# H2 Y, bturtles-own[
+ w0 L1 P6 C% t( U8 k" @& m" ]trade-record-all
( R3 K/ Y- h4 n) q! G# u/ G;;a list of lists,由trade-record-one组成2 y( e( A& c/ z( N
trade-record-one* G9 B7 ^1 R% l7 s
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ g7 P% k. x0 b
2 i* M% b+ p8 l& [
;;[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]]7 z9 J* S/ J2 k
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]
: U3 A# G1 G' A6 m- L8 |, 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. m- [& W7 b% T1 U5 S
neighbor-total
, b/ v9 u; d: ]4 E0 A- `;;记录该turtle的邻居节点的数目
# K s) k* R; P1 I8 ^trade-time9 T U! U/ e9 I3 ?0 w0 m8 S
;;当前发生交易的turtle的交易时间( w! P- m& k+ j! N$ B+ H6 X" @
appraise-give4 L- I3 @# i7 S; Z% c% L
;;当前发生交易时给出的评价
H6 G. O0 e* ]& ^9 Qappraise-receive0 c4 W" Y% }: Z+ Z! U
;;当前发生交易时收到的评价
: y, v: _0 U( B( D/ p" |appraise-time- u: R C5 o/ C8 M$ f8 W# z
;;当前发生交易时的评价时间. d2 Q2 O( g* i6 Y+ s
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) L E: n( l. P. | V2 c, O) m" T
trade-times-total
3 i1 K1 {+ g% R' t8 @) ^;;与当前turtle的交易总次数
( f: J' R" {+ ]0 z9 L0 g5 {trade-money-total
9 N2 J* K6 h& J3 W" z3 |* z" y;;与当前turtle的交易总金额
1 H! N7 f3 D4 A5 }- P2 @. q' d6 Flocal-reputation( h6 Q* r: j+ K% K G: ]
global-reputation
9 d) Y# ^" I! I4 m$ [" wcredibility6 Z5 |4 Y# k" z+ |0 w6 c6 S' ^: l
;;评价可信度,每次交易后都需要更新
( J1 Q9 R6 |$ O/ ?3 c2 n& Dcredibility-all
7 s, _8 L3 y7 S;;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$ \8 v7 I% Q0 ^
+ e1 s; s( U1 @;;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. \& _& n# q8 h7 [7 a
credibility-one4 ]! X, g8 E- k5 ~# |
;;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
9 d) h0 w, v+ J. G4 m- c8 kglobal-proportion' @9 L, [* a& P" s
customer
' A; P, ]! ?# P' b. @customer-no
" I/ Z) ^; l+ V1 ?# Strust-ok
' S* z! N4 U6 ?0 P" Ktrade-record-one-len;;trade-record-one的长度: z. G* y% W- Y% O
]
0 k5 [1 Y5 Y! k+ y& V
7 ~8 ~2 x8 x2 A* S/ m1 p; B; \;;setup procedure+ l: v5 p9 m1 I* O# Q8 Z" a
. |. p; t6 @$ j# E$ s1 [0 k% yto setup, P& e6 S) i7 C6 [* C
q1 Q% b$ C- W. Jca# s8 V% R% \3 y, r9 N
3 [* a8 j# @1 `+ L5 C) C% winitialize-settings2 u9 Y+ o- S) j3 @ y8 t/ T
9 k- ]; N) q3 w8 t! E, h
crt people [setup-turtles]; h5 k0 z+ m# c/ R$ k
+ j+ u% c ^* K" [. ureset-timer+ U. C8 e3 r$ `4 K( }1 B2 h
3 |) {9 S/ {5 ^6 O' Z; t, Ppoll-class7 y$ T% w: W1 E2 }% T
1 g5 i( ]+ q4 U
setup-plots
" S1 Z" [6 ]% F. T: [8 k
0 U/ O! [7 q8 x0 |$ \do-plots
: d: L4 q. d( ]! |0 W1 Zend
' H- s2 ]+ Z5 k6 x6 \. F0 x# i/ Q7 \5 ^
to initialize-settings
3 R: l( }7 K: V+ u8 G6 e3 X u9 G6 b5 R, p/ H
set global-reputation-list []) j; {; n! s0 Y& h
2 b3 `. Y0 [- _set credibility-list n-values people [0.5]
3 j" T( |- h- s1 V2 ~
. W# Q h) w6 G( Aset honest-service 0
# o G, U+ B: K Q. t; H, j8 y& S( }* F8 q
set unhonest-service 02 y+ c, I x+ M; M @
5 R( q0 N3 T2 \8 `" L
set oscillation 0
/ \3 N; G: Z3 |( |5 m& b& G
! n* x) u+ ]3 R y5 F: {& q- ?set rand-dynamic 0
& ^3 b J/ w Send+ E: O& }8 K/ h7 r2 v; Z' W
5 A% A0 s2 N6 x
to setup-turtles
5 H4 w' `: i# Kset shape "person"3 h7 d! j; e# d2 a2 N
setxy random-xcor random-ycor6 }# N) a: p/ n1 b' z
set trade-record-one []
3 n/ p7 c' I5 S1 W+ ?! E+ j
1 |+ K( B: E& J/ R, Kset trade-record-all n-values people [(list (? + 1) 0 0)]
# |9 {4 O7 V7 J l" O1 D7 g. P! H$ } a, X) ]9 c; W- I0 m1 p
set trade-record-current []( P% e3 z: y8 k. q# ?3 |1 \% ^
set credibility-receive []
$ v! ]% U! M$ H2 O+ ~" Yset local-reputation 0.5( U( y8 {# |/ k. E
set neighbor-total 0# m& F# C* f% O2 Q% x
set trade-times-total 0
7 }6 Z" C3 B; u: t0 fset trade-money-total 06 q1 x% q ]$ d0 m: J
set customer nobody1 w: l9 [, U8 C- i% R
set credibility-all n-values people [creat-credibility]
4 R9 S* U" X* N8 X8 X$ @1 Jset credibility n-values people [-1]
8 x' I4 I8 T. z' V& {get-color
- |4 W3 t. [ g9 z, U7 X- S5 J' Q; L
end
; N1 ?. S* t8 v' Q$ X
. }/ j0 p1 S1 Cto-report creat-credibility
7 v4 N( Y! I% a4 u3 }! Dreport n-values people [0.5]6 Z; f! Q; ~0 [9 u% p- d! A: H
end
6 [7 C2 }# b8 B$ G& r+ R# _% y
, L7 L; E$ G9 d3 h4 c& B: m* t" Pto setup-plots! u1 c+ Z4 f6 t5 q
/ B' c7 \% C7 _% f& H" B& d5 S
set xmax 30
' C" ~4 e, B3 r, z( n- t8 Z, f( {0 L5 Y/ R" ?; o: [6 L0 g
set ymax 1.0
" K3 i* D% U5 x/ H* N
) B- I( Y* ^; ^clear-all-plots
: V$ v+ B* V$ B) c
# h1 C i, w: U% G: M- d) Q% i$ J+ h$ dsetup-plot1
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6 I/ d# Q# a J9 }2 Rsetup-plot2$ X+ ~% G% R& k; u/ e2 l
, }6 ^ H! y; x* d7 K
setup-plot3: C4 n: p3 C! g& h" l( \9 X+ |( W9 }
end
7 j5 ]0 N9 @4 E" S" t* [. \4 J4 a6 G
;;run time procedures
% s: V) o; W- p' W
* Y/ J5 O4 p) Z ato go
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: W1 W8 y1 }- h& X5 Y% bask turtles [do-business]7 z6 G7 V" W/ H8 S8 K
end
. F8 B' C2 [" t+ H9 Z+ I2 T& L; v0 R+ t
to do-business " n+ E+ k% y" Q8 O+ |, p
; k5 v8 D6 F3 u2 W' S9 Q+ \, S/ t) O$ d* [
rt random 360
8 ~2 @9 A5 W( q8 ~$ J* U$ q% l1 L. D7 f/ m2 @3 P2 P* N$ S
fd 1
2 i a6 _5 w; P+ u( d* N
7 g$ F- p+ v+ Rifelse(other turtles-here != nobody)[7 G2 ?/ G( S6 h
" I6 n: j5 u& s! \ Bset customer one-of other turtles-here
- N1 }' @7 ]7 f1 w/ R B' x
" P4 d r/ l2 y% S3 y, n;; set [customer] of customer myself
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! B9 p% {. ~% B% rset [trade-record-one] of self item (([who] of customer) - 1)2 d4 ?* O& f1 ^' c
[trade-record-all]of self3 t `( x4 B1 L7 B
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 v! ]: A8 t7 `
% @4 }& K3 s4 m8 L6 S6 ^) y9 n
set [trade-record-one] of customer item (([who] of self) - 1)$ B/ e2 I4 y3 X8 k2 X, k
[trade-record-all]of customer
& n" v+ e5 m" R) X) d) G2 V1 M# f9 D) B' z" a
set [trade-record-one-len] of self length [trade-record-one] of self
+ M; l+ T4 C8 E. S5 x8 e- J M7 E& G, h. a* `. C: |9 ^
set trade-record-current( list (timer) (random money-upper-limit)), c2 V1 G- j" R! l+ I# t; ]
a" ^" h! [+ A/ n! c2 _/ m
ask self [do-trust]1 {* w" {: f5 Y/ q1 x
;;先求i对j的信任度2 I# T% x& |7 {7 C/ h/ _
$ R1 _# g' `* Uif ([trust-ok] of self)
: {# Y& q8 [0 w3 T- u;;根据i对j的信任度来决定是否与j进行交易[
( Z8 A# [2 K0 @3 l D# g: c7 J' Wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself% \3 J! b' [! |* q8 S1 C
- v2 A$ Y5 Q$ U[
0 d) A" _) @$ C$ x' N. t4 T, q5 u4 }+ g
do-trade
! @0 M" |( Q. ]6 x) a# m) Z+ V: b W" d$ k/ q# n
update-credibility-ijl
- ], v& k2 X, Z9 B1 {0 s! t, {8 k* r, N
update-credibility-list
/ O- O' E1 c- z _5 ~
( ?$ `( y5 o- E4 @) N$ U2 {! m7 k& A( W2 X! T9 H) B) u9 X* X
update-global-reputation-list
1 W) u+ M2 u- \- y/ C: w8 u4 n9 l" h# I: m( l* P) }
poll-class
+ b4 `7 A8 s% g2 T! i2 ~- g* S, I, ?4 O9 X! M. V" N: W' Z' q
get-color
0 F. z( P. D7 a4 J& u6 b: M& \- ~3 |5 r) \8 r, _* f
]]
& [! \* E- Y8 Z& h" C! k# \( L3 a, x' c5 L5 A- ]
;;如果所得的信任度满足条件,则进行交易
' A8 z$ e- b4 I$ e+ W2 g% u2 b. }. b7 @
[
/ K* ?# G3 { E! ?0 P/ B y9 [& g0 |" ^! Q, y" L0 u
rt random 3602 r/ |, F$ q/ x/ q; d) ^; S e% C
, |- h D5 ~, z9 W2 C6 Z- vfd 1
6 W1 G' o( m) w' U& N* o- ]; G. a$ ]& s4 h' L1 p8 e. v
]
. i, q6 E) y) {* p6 F+ U
9 [. K! t3 q; l6 m. L. _1 m! f5 Cend
0 f8 a8 f/ @* a: j& z. c8 J% g
9 W0 {, M! Y. V% U& n5 ]+ s0 Rto do-trust
# y+ ?& d% L$ L/ j+ jset trust-ok False" g, {! K, o9 r; u
: [$ y* R m* ~5 J! A& F, U1 c8 e2 G
9 Q3 D' i; x; b' y# llet max-trade-times 0
) k1 z7 q' M# ~9 m( W# Yforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% x: ^ b& \9 A1 tlet max-trade-money 0
+ |+ @1 w9 P9 e: k [: Z. k/ x9 ]foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& i3 L/ ~$ \; E- b% M; w
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); f. E8 y* S- }* p2 F7 I% k/ F
4 N# F. }; k3 o: o5 T9 p
% k3 G+ i+ B8 F1 s$ Rget-global-proportion
! L. n$ q0 u: G! B; J _let trust-value0 E @* U+ W$ r. {4 j% t0 D% x* j
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)
# Z- X+ y9 x4 e, ^8 g) {7 ]% Jif(trust-value > trade-trust-value). m/ f6 I. a2 w9 d4 W1 J
[set trust-ok true]
- T! g6 w& ^1 ]end: \2 S# Y) \. L; [$ ?" q* f. {0 \
4 o9 n; Z- q, r/ B$ _" Y7 Fto get-global-proportion
& s C7 ~( w3 L( k/ ]6 Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)$ g. J; w* \' B: ~
[set global-proportion 0]
7 H' [* y: H h# z[let i 0
, `9 e1 Q7 I: c/ m olet sum-money 0' P6 L% o; I% X! q2 l% i
while[ i < people]
$ x2 B* ? l* H[' a6 h0 O$ z. Z" ?* O K1 v. i
if( length (item i, D' V0 k. Z6 L& e" n- X/ I
[trade-record-all] of customer) > 3 )' D; ` G2 m1 R# p2 _9 A- E
[; H0 d# H/ _3 O! h1 M' K
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ {( k: L- v* {2 F4 K" e) c
]- Z5 I' o. U0 U, P- J" Y' Q
]
g( d9 `7 t" F# _let j 0& c1 Q5 {, v7 N- a& T& o M% O
let note 09 G+ F: g& D. b$ q9 V2 ]
while[ j < people]
; }( O/ g7 z. C! |: X[
' Y4 ]7 L( ]# O3 ^0 g! a: w6 Dif( length (item i
7 f! n8 r8 Q# x[trade-record-all] of customer) > 3 )5 {( i+ n) _2 g. E2 L3 ~. D
[3 e0 s+ N) a/ P9 z% F2 Q7 X, q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* u$ }1 B% Z2 d* j$ `
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 a' x }) z1 ?* ^) o0 B. W
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 w2 g" R3 t; e]
$ d1 ^* |+ q5 J7 S]
E( r C# C: w: G% O8 F$ d5 dset global-proportion note
% T4 n8 d N/ [3 f]# S* a7 }: P( R: D7 b1 S
end
! ]' A- F+ k: r; k: D) D& `( |4 B4 X* Q/ D
to do-trade
& c, O- L" V# z8 s/ e;;这个过程实际上是给双方作出评价的过程
% y8 b/ I$ ]/ D- @! w0 Y4 F- P1 ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- e; X4 p( m' Z9 r, Q: ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
$ w: {$ i; P i% N2 ^0 Eset trade-record-current lput(timer) trade-record-current
9 P8 F; h/ Y2 |2 O! d7 `: O0 {;;评价时间
) W) K6 v" V8 Q4 x' o4 E: K- {6 }ask myself [5 F, L& }4 q5 g8 r2 X
update-local-reputation8 Q2 h& b+ u1 [( `& o# r4 D7 w
set trade-record-current lput([local-reputation] of myself) trade-record-current; p( H4 L1 ]9 y, n
]
. o3 o: m8 o# w% lset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself' I- d! [7 G1 M9 p% c7 x; A
;;将此次交易的记录加入到trade-record-one中2 b3 ~ O: p3 S5 H. J% ~
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- L+ x9 O; @& ?( s8 R) k* R
let note (item 2 trade-record-current )
2 @% x; t# n6 dset trade-record-current
8 n' K/ Y5 ~5 u; _# J" v(replace-item 2 trade-record-current (item 3 trade-record-current))8 h) P" N( T V& g1 `
set trade-record-current Y4 B2 R' N( s# I( I3 w/ G* Z: x
(replace-item 3 trade-record-current note)+ w1 m) J5 Q @
# \- Y7 D2 G5 z- N& g# v9 D/ Y' i k
# Q( T4 F4 i f" fask customer [* y' |& G' J& J/ M! w# ~" z
update-local-reputation
1 Y3 h/ ^6 c R+ M+ pset trade-record-current% M4 t) o* [% D
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 O" o* T7 }3 q2 T! I]
+ J$ [2 M; A4 v! ]+ A: @4 |/ t# w$ N* ~. e! a3 u- e1 V |2 I
$ q, l. `1 @; A/ A
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 C# g8 }5 z9 U+ l8 N
$ U% y$ i+ q G. M8 [$ D# ~set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: O6 N* v3 G4 z5 O: K% b1 j;;将此次交易的记录加入到customer的trade-record-all中
7 h) x$ U6 G. o$ U/ K: t0 jend3 Y6 P1 j. g1 b3 [3 q$ G
, Z3 P( \. t$ j" Kto update-local-reputation" s% n' F+ `2 j- @
set [trade-record-one-len] of myself length [trade-record-one] of myself" ]( K, T9 w: W) e5 B1 x6 G
/ v7 T- M. h8 t G/ m
: f! R5 m$ n1 I1 k5 q;;if [trade-record-one-len] of myself > 3
8 d( U/ _: c, D! Y4 G3 @update-neighbor-total
5 e3 V9 E! S+ B2 |. x: H;;更新邻居节点的数目,在此进行7 a2 j6 U. T. K. O) l
let i 3
! F) y8 B8 T/ \ Qlet sum-time 0
2 @5 v4 y7 W) }. zwhile[i < [trade-record-one-len] of myself]& H5 y7 W% `$ W1 n1 }; H
[" u. @' T e" i4 \6 P% y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
" M# s0 J+ ?6 a. z, G( }6 G' `7 bset i
5 Q f D9 D4 r8 T- W+ u( i + 1)% @' I, ^) w9 ]8 W
]* c8 m1 U6 u; p: {: D- K0 E( E
let j 3& ?! P% A2 S/ J/ p+ _$ m1 w/ e' e
let sum-money 07 X% O- \) {8 G& F5 r+ v
while[j < [trade-record-one-len] of myself]2 \( h* y; d! }' I( d0 i& i4 Y
[
3 l$ \7 p) k4 ^0 v5 U- Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
, g8 w9 O P e1 l. a# fset j$ m& j$ S+ f" f: H, a
( j + 1)
6 ^) Z [, ?' j6 a( z* \) U% R]
6 m3 w1 l8 x0 b3 P& s& plet k 36 e7 ?3 B! {' W
let power 0
7 H6 u% X$ h8 @let local 0
% T! H- K* X; x) p- F( owhile [k <[trade-record-one-len] of myself]+ {9 e- q6 v/ k
[
( a/ N9 @3 \1 P" S: r+ `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)
( Q4 ^: @: U1 e' ^set k (k + 1)
# \7 ?5 Z0 ]6 C* {& q9 J4 n]9 Y8 D6 o+ c! Q
set [local-reputation] of myself (local)
6 ~4 F( P( X' ]$ q' r4 Y0 Eend: y4 a5 h: K0 F4 M" ?( B7 ]
* y+ _; z- W) L" @: ^to update-neighbor-total
, ~# v- q+ U' k2 X3 J2 h& T; l% G/ w. ? o3 \: |
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 {4 [4 b# b/ @7 @% m
, N8 x8 p3 G1 u: ~7 @# @5 X
+ `. N3 R3 A+ K4 @. A2 uend# k, f/ u% n6 ~- h
/ i2 w$ E) l2 w6 W, E- Oto update-credibility-ijl 5 U+ H9 U5 x7 \5 v ?6 W
2 f3 T I4 T3 K# 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。% L2 S+ ^ m# ^. l
let l 0
4 l9 I4 N% s w. m/ i' w2 zwhile[ l < people ]
0 I7 y+ w7 n! z. _2 q, 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
$ s5 o0 I. i9 V+ m6 B0 S- Y! p/ c[
) V Y2 A% w; G* b* Clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 \2 |8 Q+ d( @0 V" oif (trade-record-one-j-l-len > 3)' T6 q% L% C2 O3 Y [" X6 k/ l1 g
[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
- y$ |! {& S3 Z+ r; Slet i 38 r% y* _' K- s9 j3 \! j# H
let sum-time 0$ [: g& r* j3 [ r+ t _" j
while[i < trade-record-one-len]
% b1 h3 j/ ^2 x) Q" x[2 T( A2 \0 x) y$ w
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
2 N: J8 Q l+ k# ^set i
4 K+ d( D$ ~( f \' h( i + 1)
3 J2 z" a4 m4 y! c]
/ A$ Y, x/ z) v1 F, Jlet credibility-i-j-l 00 `2 t& X- \' T6 w* a) c8 s9 j5 n6 P
;;i评价(j对jl的评价)
6 f S! |& e) J5 Dlet j 34 \. a& \% g4 }9 U
let k 4
; P6 v3 u+ s8 I4 S( S) q; w: fwhile[j < trade-record-one-len]: j9 y' c# m- L; P+ H
[
a7 }! o# x, D l0 V/ Bwhile [((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
7 A. x" o& e' p: r: q6 I- Uset 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)
( P$ M: N9 x2 c8 F# g! i6 Xset j' _: n. Y; z- }; M3 n* Q- R
( j + 1)4 N9 i! P% n$ {1 S! y
]3 b1 t4 L' s1 n% ]: l. r
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 ))0 n0 L3 f$ ~) H$ H3 W7 f& R5 V
6 p7 v0 Z y0 T1 i9 M( Q8 Q7 j
- H/ _' Y2 l3 F+ T4 O0 G# t2 m2 Plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 f$ r+ ], K; h* X- K
;;及时更新i对l的评价质量的评价
4 i- b N, y) e2 Q! O* W% o3 R% qset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: @$ V) l8 w5 gset l (l + 1)+ q4 E; n7 J" ?5 j& \; g8 u" b3 S" P
]3 P; z1 c$ H1 w9 y+ R' b! ?% l! r' ?
end
5 C; j! j( p# G; U/ {: \3 ? V% h# G8 M8 T- b4 ^
to update-credibility-list# ?( {7 N7 [3 R, ]/ j7 D
let i 0
) o7 u& }* Y. ?4 f/ `3 e; h Cwhile[i < people]. B7 `+ D: O2 n- u3 O0 _9 g5 g) u, p+ {
[' _6 V2 F* c# G- d; M
let j 0
6 o1 L2 V% V$ }6 |let note 0
+ {/ Y' i T+ |0 Z' flet k 06 b) B* m& y! D, y3 u
;;计作出过评价的邻居节点的数目
) z* E- H, h t6 C& bwhile[j < people]
, R2 g$ G L Y) [9 r' }* i$ x[
) A% j2 R, @7 z O! T! Sif (item j( [credibility] of turtle (i + 1)) != -1)7 y m& F. ?9 N: v' c+ R6 Q3 d" _
;;判断是否给本turtle的评价质量做出过评价的节点
7 C* m# [5 \+ N' H[set note (note + item j ([credibility]of turtle (i + 1))), t7 t+ p* H4 l; z4 x& O& [
;;*(exp (-(people - 2)))/(people - 2))]
4 e! P9 P5 ]9 ^* d1 p" I1 h% `set k (k + 1)
( a- k4 r! g+ G3 M4 u]: o4 J; m% q) ]6 m2 t
set j (j + 1)* Q0 i. a ?6 |* A! B7 ^% `3 D
]1 c$ Q* I" s1 }( n6 g' z7 X6 T7 P
set note (note *(exp (- (1 / k)))/ k)
+ w) V4 ?4 e6 Q [# \set credibility-list (replace-item i credibility-list note)/ v$ s; N( q9 e0 P1 [* @
set i (i + 1)- ?" }! @( E9 W B9 {6 r
]
- ?: ^0 a L! U+ ^7 |6 p. k1 Z zend
: L. h6 y6 A) p% ]' T- Y: ~+ l& e2 p7 l
to update-global-reputation-list
6 O' P, s' F nlet j 0
$ L7 w6 o9 j A, s* q5 z7 awhile[j < people]) U8 S/ _% E. t
[1 Y4 C9 R3 C; X0 N- e
let new 05 y( M# K) v0 F# q9 t1 n. ?/ o$ Y4 Y
;;暂存新的一个全局声誉
4 B) h' g& G, i$ ?0 M' j1 y2 plet i 0
9 m, N5 Z. S+ klet sum-money 04 |& v: X' O B, o5 y r; q# n. I0 y+ I
let credibility-money 0
9 X% ?; }& B8 w+ twhile [i < people]$ f- j% `9 g; L/ R
[+ S% V, G! ]6 X1 R S: Z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. ~' A/ P1 I. v3 F8 jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
2 I6 x* c- I2 V7 b# }1 Dset i (i + 1)1 @# ~' ? I) u
]* P4 g% ?( v P2 i: J
let k 0
$ S% C, N; e4 E+ I4 Dlet new1 0
3 s1 x6 h) i0 R: rwhile [k < people]/ g9 u9 v5 _; R% ^4 z8 Q
[/ d4 O9 [7 v1 }" O; |& 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)9 f+ d: N% X" N! L0 ?
set k (k + 1)
+ ~# D1 J) \, P! q]
+ m& ^7 X# c; O+ |2 Y* r$ G# Xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 N# Z4 I! G( C, A! K ~) Iset global-reputation-list (replace-item j global-reputation-list new)
$ Y4 ^2 _' \0 @+ v4 c' _* @set j (j + 1): p. z0 i( }; t. x' F! C, T
]
* H5 w' c' q% Uend
" ?7 F$ @3 H) s: c+ G( V# u( l
# c* M% q& L, y, u0 P8 n1 O+ c, ?5 C6 L+ q; e$ x
& `* r1 B" h: i* i
to get-color
4 z- t* ?( k# p6 C# F( t6 ]" A, t, Z" B) C; C |
set color blue
8 N3 a0 M" c9 a0 U& j1 Q* Send5 |2 ]) d1 |6 }( D' _% Q Z- ~' L
) e: D6 h6 Q; K% \5 f
to poll-class
) F$ O+ H& }# ]& Y$ }' \0 dend$ G5 d9 P8 ~9 n7 s
2 P$ p! `# n! Z% p, q1 h1 ~, X& ~( ato setup-plot1% s: h. m' f7 ^( n5 S7 I9 ~5 {
$ g. x# Y- h3 P4 k8 vset-current-plot "Trends-of-Local-reputation"- a- Q& ]; O2 E/ ?( R4 t$ Z/ z) \
/ A- ]% y# m* C6 V. X# F2 B) K
set-plot-x-range 0 xmax
/ N4 |5 k4 @% o3 P$ N& K
W5 U4 v& \( l! H; P9 F& Q% u8 Mset-plot-y-range 0.0 ymax8 ~, w, [' H6 C+ i% O- I! r) t7 E
end
3 W" A. t3 D+ n. P% M9 A) ^- ^1 G3 k5 l' s% C8 X' f1 ^3 M' B& B9 `
to setup-plot20 D; p: r* J7 N ?% e" Q0 {* i' \
& |' C. H1 S8 Q( \; Hset-current-plot "Trends-of-global-reputation"
# s( c: r" o9 K3 T! L2 G, ^3 |, s' {# p
set-plot-x-range 0 xmax
: {) i* x- a% t0 `( o0 ^) v2 \& V& M
! ^) k i! b' M5 h3 _. ?( Wset-plot-y-range 0.0 ymax
# [. |5 G9 J2 |/ [, }; s" m: i* xend2 C1 o! P% G! l5 Y# L! G
0 @# {9 l% a; G5 z0 H% \
to setup-plot3, w+ F; ~4 V+ I* R0 z" R( Q
& a2 H+ w% {& o( I2 uset-current-plot "Trends-of-credibility"( Q" n. N1 H$ N9 d$ t9 }4 s
4 d4 W! l: B- U; s; ]
set-plot-x-range 0 xmax
% t8 ]8 {# j3 _' L* H
) `% Y: L" W) P4 u& ^, rset-plot-y-range 0.0 ymax8 O9 P" ^$ q; ^
end
" w) o- s6 B' H1 f8 I
& F& z4 {$ G1 g. q6 a5 L9 W, Tto do-plots* G# W8 Z/ e3 K
set-current-plot "Trends-of-Local-reputation"! f) y2 t% F5 Y7 S: `
set-current-plot-pen "Honest service"
, y' m" ~0 i. f1 r5 ^end: ?2 C( ~7 \1 G m
1 b& d. ]9 D( I, f
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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