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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
6 q: }) _8 J' nglobals[+ s8 a( h0 ]4 L. z9 H7 W6 N
xmax
/ d {& I8 u* t5 Rymax' s7 I& W. U8 g! t1 w8 g
global-reputation-list
; s4 `/ ~/ I. q' P- s$ ^+ R/ F" L d
;;每一个turtle的全局声誉都存在此LIST中8 ]4 s/ q7 V, T. m' Z
credibility-list
" d8 k0 g, j3 E* h! L;;每一个turtle的评价可信度8 |' O6 f+ x8 Y0 B2 o
honest-service
; ?7 M. Z1 X" vunhonest-service& [8 R" f& r/ ?& R7 D5 @
oscillation5 n: i) z9 h, A. E& G
rand-dynamic
7 B# @- i- ?" h4 {+ w$ E) s9 L]. Z( [: r+ A, ?: |3 Y& ?
: S( i; n2 F% Q( K7 Y9 K
turtles-own[
2 V/ ]% G; e* ~. A% strade-record-all) e% [- g! H6 I+ D7 j
;;a list of lists,由trade-record-one组成
3 ^ L' U2 m$ o7 n7 L; Atrade-record-one% q" F. g9 r# R8 a
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
" ~5 c& C0 }9 e6 G+ J
- @9 g" W' W: ~$ t) p;;[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]]
* f) W/ {$ }1 Ztrade-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]
3 `$ o' n/ ]/ `) e1 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list9 S# h+ k* q7 }7 `+ v
neighbor-total8 x7 x$ s( Z+ g4 Q
;;记录该turtle的邻居节点的数目+ K% x* A7 K9 @: K r. y
trade-time! M R+ |" u: s j% N+ N/ A) ^
;;当前发生交易的turtle的交易时间
8 f2 ~# A" b( \# q# P, jappraise-give
1 s) G q- R9 b! x;;当前发生交易时给出的评价5 |# c) s" a* l) U
appraise-receive o. d! S6 H* Y+ U
;;当前发生交易时收到的评价+ G( e3 ~# N2 W$ Y6 i2 q& t
appraise-time2 ~& z( b/ v/ X* T5 c' ]! ~2 d: M
;;当前发生交易时的评价时间3 n8 c' ]# c7 q! w1 {1 |5 l \) `
local-reputation-now;;此次交易后相对于对方turtle的局部声誉% J4 {- N+ z- j E5 T4 x, X" d% J% s
trade-times-total3 |" l5 A4 {3 K! D$ Z( q8 R# v' I
;;与当前turtle的交易总次数' t" x4 H$ ]# T0 g* V) O
trade-money-total
9 o- E8 o% i2 T3 Q, a( |& T- };;与当前turtle的交易总金额
3 ?+ a. L$ ^ e& B- K7 H) ?& Plocal-reputation
0 D4 ?& `! L! `global-reputation$ J$ I2 p6 P1 D' U( H* d( w
credibility
+ k" t0 i9 f7 T) K8 o9 A;;评价可信度,每次交易后都需要更新0 Z$ Q0 h9 n" E9 @* l
credibility-all
3 ]" m# p% t. N; n4 a" j: {;;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 z1 b5 A. F- F2 ~2 v! `
& } O5 N: |1 f) H+ Q
;;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
( [3 Y$ F) u @credibility-one* U' ]+ K5 T6 B- l9 f3 j& v/ f% P
;;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4 t0 C R* k9 f4 x6 Z$ X
global-proportion) N7 O0 X7 q* w8 X/ }
customer
! \1 ~5 j q' |$ e; acustomer-no
1 E+ I' f% g. ftrust-ok e% u4 M/ a% G9 v
trade-record-one-len;;trade-record-one的长度
! v2 J' z5 o, k8 y3 B3 v, n' E]
- ?; e( v. y$ ~' p+ O; q1 ~
# z% k, K% W9 W/ ^9 X2 u5 z;;setup procedure% S% R' ]% G" Z5 a+ R& ~- F
M- W: D4 L/ e
to setup8 r, E: O0 i8 T! B
$ h2 b v/ B4 d, l7 s% wca) Y6 H, R0 n: M! Q8 x6 C: D
$ O3 }; O; _0 M
initialize-settings5 i8 S' p& P4 B; t8 V# l) N+ h
/ J7 g b/ I; Z3 Y; wcrt people [setup-turtles]3 K k2 f2 I0 i, @2 ^" F
6 v9 M' @9 e* O& [0 D! v
reset-timer a! }: }' m1 f2 H F' }
$ U# ]. v- e9 _$ X) g6 ]3 |poll-class h# a% f6 o0 u6 z2 O* ^# G3 ?+ S
4 M6 g3 U% R7 H, a) N
setup-plots+ M& K& \" b* H. R6 O; `4 b& A
4 M, k; o: ^5 t J+ v# |) i
do-plots* c- f7 i2 I6 g. c6 d: ]
end6 v9 W# ?" N- J
/ \; O# Z* m5 c% }/ W
to initialize-settings b, K" }& c+ A% i3 n" x* p
9 h- s. q6 l3 ]2 |, x3 F
set global-reputation-list []' z% e) N8 t2 Z% F
+ q6 o9 k3 @" e* V: O& D7 U: Vset credibility-list n-values people [0.5]
5 u# n) N7 n7 [* j5 p/ B6 J L* W* b. M$ l% ]+ K
set honest-service 0' W7 ]% D5 O. y# _
) |' A2 D* x- k5 k6 qset unhonest-service 0# c+ l/ N3 J, |3 i# e' u% M
- b u) V0 S' Bset oscillation 0
# r) W5 Q& r, O7 I# R1 H$ Z9 x n7 J" @( ]
' q+ |+ ]0 ^( l$ E4 k8 u, Eset rand-dynamic 01 L3 ]$ N, T* [) d) h- B! c+ {' W
end4 v; Q& S; j& N3 S" U* t
- r; C I8 X5 J' nto setup-turtles
) S! a9 Q/ m2 J: y1 W1 eset shape "person"
; C( Y: \) C' X# U# wsetxy random-xcor random-ycor9 G0 N7 K2 D8 J3 B8 j0 N; U
set trade-record-one []) c: \6 L5 [; f& o* H
& `' K# Q0 V/ m. \/ d0 ~set trade-record-all n-values people [(list (? + 1) 0 0)]
1 |0 |4 D( j0 o# B2 y% I2 w5 ], t/ F8 [1 x$ p5 R
set trade-record-current []
$ F# {* w- P) f+ sset credibility-receive []( N" L1 y$ A0 |
set local-reputation 0.5
3 B. R9 n! M( o; v. [ ^set neighbor-total 0+ i2 s& _$ r5 C# ~1 e9 ?
set trade-times-total 0" ]4 Q6 A8 D7 k* t* @
set trade-money-total 0
3 }+ U, i7 \% M; r9 d( M$ _set customer nobody
8 E: S) A& S; \. |set credibility-all n-values people [creat-credibility]* H) @. i( k; j; @, J# d4 k! p
set credibility n-values people [-1]- b l7 J* q4 \# v
get-color0 O, P% _' ^# i: T. T q
: A6 @; b; C5 ^8 I% R
end# m5 d2 l, N3 \$ C
+ b) t1 K5 K ?4 B% E1 Zto-report creat-credibility* z! K9 M, h3 [. w: w
report n-values people [0.5]
( o5 B) Z1 s1 ~" hend
% `3 f3 ^& C& X! k( O0 F+ K: T; v3 e$ E9 R% f( N& r4 T# @0 v/ j" |
to setup-plots _$ d/ P" y: h' _2 p; x
5 L% v3 g Q( y T' T5 lset xmax 30
1 s$ ]. e% w8 k q7 i4 |5 {# [/ S7 m- N2 [8 f4 p/ H' `0 B
set ymax 1.0
H6 |0 F! A+ z4 K, G
6 z0 k H2 d5 Iclear-all-plots/ d5 _& W s4 z7 D o" A4 k
" f; e( a5 A# U2 J. Y% x7 y
setup-plot1
" A& B, ?1 T' J1 q; J m% B# c( ^5 F* E# l. n: ]( N9 q
setup-plot2
" P3 w% d9 t% A' _* Q% ^" I# W
: z! c# k6 J! xsetup-plot3
9 W: ^+ C) E8 U# ^; nend0 T' g' _$ W& o" P" ^1 X$ m! @
1 C) [) L( t/ U;;run time procedures
+ Z, B7 I0 W- O, e
& q- B( m3 r& j" U& vto go
) V8 K: r7 I" B+ q5 x
% y, l! B" q2 X J- a, ^ask turtles [do-business]
; V* A O! R" N% a0 ?! Jend+ M1 Y, f' x1 E9 z, v8 k
0 o2 \& @' {6 C. I9 qto do-business ' ?0 {. Z' G L+ O
/ T6 r7 U' A- x1 v- g* R6 J
7 t% \2 I# A: |% |( l6 ^rt random 360
( y8 u4 Y7 D; }
7 s0 k/ {# T1 {. l/ X5 J* H6 ~fd 1
7 L3 n; M2 v4 B) d7 q# \+ J
7 |2 o/ v7 Z5 V8 Xifelse(other turtles-here != nobody)[$ S3 P5 T: @: V
9 t$ u2 g6 W' Gset customer one-of other turtles-here
0 d; H1 `% v+ ^2 N0 U/ E K/ B& x+ _
;; set [customer] of customer myself3 M6 [/ K! ^' ?9 F( l: G9 l
, _- |% ~1 v7 j, u/ xset [trade-record-one] of self item (([who] of customer) - 1)3 u) i- N( R: _7 U7 j0 L& R+ w
[trade-record-all]of self2 z, c; o' O& A% i9 v% T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- v1 @/ |0 Q: j5 l1 g2 t- f
6 a0 b; \& A9 oset [trade-record-one] of customer item (([who] of self) - 1)
) o& L, _7 R5 l* g ^[trade-record-all]of customer: {0 L) o Q0 `
' o' a8 j. @6 T0 W& gset [trade-record-one-len] of self length [trade-record-one] of self# c7 U! c$ B6 L$ L: r" V
7 z% }# j# K( x1 c( ]
set trade-record-current( list (timer) (random money-upper-limit))
$ b7 T& q/ H2 W; y: _* T9 e( U# b/ C% |) [% L8 s
ask self [do-trust]
$ i) ~" T; O( |2 D( s3 R5 Y. j1 Z;;先求i对j的信任度
* b' b7 q) y" p9 K/ ]+ I3 b% w
: {5 d9 k; u# X4 |if ([trust-ok] of self)" N: U ` z, {! E7 I# |
;;根据i对j的信任度来决定是否与j进行交易[' c9 x: y/ _; E1 `4 a2 B* g0 ^# U
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; Y8 u2 u! L. C* R& o8 G" b! A% A( b/ n' K {
[
+ e& r! R* z9 p; l0 ]1 s2 p4 m2 k, a% |& t3 F/ |8 x
do-trade/ X3 i' a9 g# P5 F/ [. d" }4 P
$ ~! \4 G9 i. o, r( _3 f1 Xupdate-credibility-ijl
" z6 w; v& _7 T- h
6 f: b* U4 J% Z( cupdate-credibility-list
3 m+ T4 j R4 D- q* l, {, B9 J7 o1 w! f3 }
4 x8 q7 w n3 M3 L- L2 D1 p
update-global-reputation-list% d+ E4 F! U$ H5 n* C7 y
) L* V0 } W# U. O+ `5 P
poll-class
0 k* L# S1 s3 ~8 r) M) e/ g) O( c
) d; m2 y& \ [4 m) I. Z( nget-color. P/ D7 w, @- O2 I& w5 L; E: a
. j5 o3 E: C; }9 a* K1 c
]]
" C8 X: a# ]* W7 ~% e5 f
5 x0 ]+ j* G, t' K3 f0 t& ?7 q;;如果所得的信任度满足条件,则进行交易
6 J7 s' }# N u4 ~
- `: L# }) _! b' Z+ x5 f[6 S. N2 s7 b; S1 W4 M# s0 c
, S6 B$ i2 K, `rt random 360
( d( \) u3 k0 p8 l3 B
- @5 ?$ o* H, O- Y! Q; kfd 1" z( H+ ] ^! |# _
' m q" W" u& t0 e7 ^& B; [
]9 u" t+ P8 x |' X
, s$ R+ ?2 u/ R7 y
end
9 u6 L5 e) n* v. ^. o2 N- d4 F; i
3 f/ G# K# Q9 d; r7 I( w* l& Kto do-trust % |. n& T+ U) Q1 ~/ l; s
set trust-ok False
4 \2 ?/ v- y# z* l% v
8 [: j( J# E2 G( l
( z- I7 P% y/ Ylet max-trade-times 0) T6 M K7 C8 h
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ |7 }- X! V) A7 `9 U3 g. {let max-trade-money 01 |! d( F; }' a1 A8 N% r @3 O
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! D7 R( E, }; K6 H& D' @0 qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ O7 u+ M% u5 t% c5 W2 Z
! G' F- W( a4 X" V) I3 J9 T' r7 o2 O, D. V
get-global-proportion9 }! Q% N- X( |: ^) G, B* t
let trust-value6 \8 y" R* f) ]) R9 P! 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)0 a6 P' e6 f3 d1 }$ F) R! d. F
if(trust-value > trade-trust-value): d$ l2 m8 a4 H+ p1 G) s3 m; r* Y
[set trust-ok true]5 Y# E# M% f+ l( @
end
. \8 N6 n" ~7 @5 J4 J9 ` P: C1 B: w& d" _* W L
to get-global-proportion
- C( p: b& h& l; o3 pifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
$ d$ V$ Q% T7 P, F0 F& v. v[set global-proportion 0]: m3 q+ |# e/ B- ~1 D! O
[let i 0 j: p& V- q; D$ {
let sum-money 03 n5 A- Y( a, \! p. {
while[ i < people]% F. x2 N3 s9 K6 }. C
[, t. L6 q e5 s& ]
if( length (item i% J; w1 g/ E) m. ~+ t% {
[trade-record-all] of customer) > 3 )
1 E! q+ f1 R( V3 {[; n7 f. s9 K! v" ?& n8 N. b
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))# f9 L: j0 N0 [5 Z8 O( I
]3 i) M1 Y o! V* ~/ F7 Y H
]- L! K0 f. k4 V p) [
let j 0
n2 O1 W) H5 b) W# `/ z/ p3 H* xlet note 0
4 [; T% m, P* l; u# Dwhile[ j < people]3 \, n: R" |& |. |9 p
[
9 T5 Q* p6 n, @8 |if( length (item i, x" j5 U* m5 f# P
[trade-record-all] of customer) > 3 )1 N# Y6 e0 l* {3 K0 ^! A
[
$ i# F0 Z( y! h" w: K. difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' S( N. H( O. r8 k i8 j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 ~/ m% h+ E2 u/ G" T[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 w, U" u& X' e" z! R( z2 q& \
]8 |8 k5 m, O4 f0 H
]
9 x5 X+ o" c) s1 n3 ` Xset global-proportion note
+ m1 D2 d# g. Q( ]]
) ]9 n+ | q4 Qend& J8 s; j. I d6 ~1 A$ G0 E
; M9 P1 o8 ?. r' v4 {5 r3 Fto do-trade( U3 K8 ?: ?: C, V8 V7 G) y1 T
;;这个过程实际上是给双方作出评价的过程
! ^/ ~! s8 y1 Q! V, \3 aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ Z5 Z. R; h# d
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 b# K6 R- a. a# p; [3 o8 Mset trade-record-current lput(timer) trade-record-current
, C( x+ z* ], r, I p+ a1 S;;评价时间6 Z) m/ K4 h1 `5 q- l: Z- M
ask myself [! ~ J. X7 ]' @5 o$ j7 `1 \
update-local-reputation7 s. g' R0 G/ S0 [) s; T( z8 m
set trade-record-current lput([local-reputation] of myself) trade-record-current0 i- U. E4 J9 [$ i7 s* h
]. i) ~0 e' \4 q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 \5 L: i4 C' E' |" d;;将此次交易的记录加入到trade-record-one中# y% r1 i/ e' u% k
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 [# |! b( P" u6 N6 e' P8 C2 Dlet note (item 2 trade-record-current )
, v+ e: k8 p3 zset trade-record-current
. i# g: h) c9 G! J9 X( ](replace-item 2 trade-record-current (item 3 trade-record-current))
, j4 B% ^! |5 c2 C$ `* Eset trade-record-current, I1 h5 h2 K9 F5 B8 t
(replace-item 3 trade-record-current note)
' X1 O ~/ Y) D" ~- r
( r; T* K7 a' U9 D. O" I3 w$ X' t
. n; j. C' `9 R& [- Uask customer [
) I- z2 H. i! ^( `3 O* w# K4 Pupdate-local-reputation( v0 T) ^# `7 f% ~& y% G8 s
set trade-record-current
0 j: ^6 e( D: U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 P# x/ K! u3 R0 K2 z- ~]
" n% K. }" U; A$ z1 W0 ~' _3 u: i1 z- w6 { R2 D) T
$ \+ c* i2 n, M" \# J* D2 Aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer* |% p5 y/ C4 X" ?1 x( P
! v- d- f! U! q# Vset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ r$ V3 B0 T. O _5 U) U- \8 V;;将此次交易的记录加入到customer的trade-record-all中
Z9 I% |* E% C+ h) ~4 @end
$ U! a6 s% K0 y0 t0 M1 O
0 o: W# D$ V: q0 H" Hto update-local-reputation# Q8 ^% a7 o4 l6 U: a" N; }
set [trade-record-one-len] of myself length [trade-record-one] of myself
" v: T8 y2 [( D0 W Z( {3 a/ O- m/ c* z$ A, ~1 D& C
( ~* k3 ~/ |9 E! q2 p' T* d' s;;if [trade-record-one-len] of myself > 3
+ p2 K: g @# z. \- g5 }update-neighbor-total
( O& ~& V: \& U( j;;更新邻居节点的数目,在此进行
0 ?. ^; D" ?9 P0 H3 ulet i 3' ^$ ?& O: O' H' K3 P2 Q9 y) b
let sum-time 0; C& }+ Z: W5 F' r" \: Z6 ^
while[i < [trade-record-one-len] of myself]
2 s, J" |1 K0 E- }[6 O5 e5 ^; T5 y1 K, B0 }2 ~
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )" J/ [3 @6 `/ K9 F
set i( x) j- \: X: `7 G' s# P7 Y
( i + 1)7 B& n; ~5 o4 G3 Z" z
]
, J5 J5 n1 a+ Y1 F, Klet j 3
+ f; Z0 v0 \' |; ^let sum-money 0
9 r' p4 @8 H# Mwhile[j < [trade-record-one-len] of myself], K" n3 W2 ]6 {
[- B4 g0 U9 X. f1 ]% B9 q) t$ G
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)
7 { C6 H# o6 Z+ P* Z9 |set j1 f" B' x4 T; T3 Z
( j + 1)& z' f: C- s9 ~+ t: q7 x4 p
]
& J) ]& {' J6 [1 e: D$ Zlet k 3
- n4 O# ~" ~3 c% `+ Mlet power 0
2 C, A+ [! u9 P, @, m* wlet local 0- R# G$ }2 ~% W. ~7 z
while [k <[trade-record-one-len] of myself]
! S6 |/ m# C# C+ G" N[
* j" I m2 O: Wset 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)
+ [! F+ t& u0 f0 D) s' lset k (k + 1)
8 b) v$ Z% W8 [ v]
, m' r! ~- e7 d& {0 l. O5 [+ Wset [local-reputation] of myself (local)5 S: ]5 ]" l: W! b1 E2 a
end
# b9 L3 G3 \1 f% K {9 C9 b4 Y9 I! u: @/ _) F& m
to update-neighbor-total
, [+ u, T& L+ H1 I, @0 R- f% d8 |
7 R4 A5 `* S- r B8 N6 o# o, ?8 f- Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
' T5 q' L- t! K( }. P: }( A. x* b0 ?5 C4 q/ A+ l# z' k' e1 f
+ y$ { M. W9 L5 A9 R3 G7 w# W6 i
end; B: S! g. W- \' x; x
; ~! v. Z w. [ Z) m( B% ~to update-credibility-ijl 2 h8 N+ ?3 ^9 j
+ m; c5 u) o3 I1 V;;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。/ d3 f$ A/ j4 q1 F* V8 F
let l 04 e. A3 Y* |. c
while[ l < people ]+ r; M+ k; O2 I, O2 W
;;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: x$ p _' T9 a/ I1 W# {+ n
[
7 C! z& J6 O3 Z/ h; }let trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 ^* s3 }' q7 t$ q! z' s" a, l
if (trade-record-one-j-l-len > 3)
9 r. W8 ]/ D4 r4 N3 g7 [! J: @[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
& `, d" e6 j/ R3 \: }, klet i 3/ d. f9 ~; d5 u2 U
let sum-time 0
& f- Y& A X2 E2 t1 [while[i < trade-record-one-len]# Y, ]$ {5 }8 l- u
[8 @/ X( {: h: S; O1 w% C: Z9 o
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ B* F* M2 k- @2 y1 xset i
- |& L1 q3 [6 f$ d$ G% v8 g" e6 K' g( i + 1)
; D1 e0 B6 r0 z- j" w% q]
2 d: q1 z1 c3 B- h4 j9 D3 ^: llet credibility-i-j-l 0- m+ @2 ~* ?/ [6 M8 G& @
;;i评价(j对jl的评价)# q! M5 J# C) r0 p
let j 3
' Q; l5 g2 l' ~+ Elet k 4
' d4 v0 o4 Q" W0 w- _8 A3 N1 I* Qwhile[j < trade-record-one-len]
% `% H/ B" [- B$ p! q4 u[
# ?+ o: a. P0 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/ y+ f2 e8 Q! C, y" `
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)" d' P& \4 _, t% ?0 R
set j
0 \3 w" Z7 q: u. {5 S& J! c: s( j + 1)4 k, I! W$ ?% ?6 H2 E. O) F& Z$ o
]
5 a, C. e& ~# M9 vset [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 ))
! l+ u% P; T7 c" x0 K: v# }, i6 ^- L
, D) u( j# [4 Z5 k6 Jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
2 _9 p% E* Y4 e9 u;;及时更新i对l的评价质量的评价# T3 w3 y# ]# G3 } h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 ~7 z- k! z- Z- I' c
set l (l + 1)
/ P* |2 X3 h# _1 b) Z]
' d" |$ n* k+ c1 P! m9 uend
4 l& r, K2 c- v" D; A$ e" S( @0 M' M" h0 U. m2 B
to update-credibility-list
5 j8 Y. L# z3 Z1 P, Qlet i 0$ q+ A/ W: h9 r3 q7 G
while[i < people]: C3 U0 E+ h+ T, s7 T A2 `6 Y* r
[
}' L H$ A h- ulet j 0; n6 n4 {$ @) m9 V, p$ }
let note 0) t$ P) ~2 j$ e4 Y& `2 Z( @% H
let k 0: Y# }/ \' U& M8 h' h
;;计作出过评价的邻居节点的数目
! n+ j8 u/ {* _9 Jwhile[j < people]
' D9 D4 D% O4 ^[( a- W2 ?+ P+ `- q) D- u! _
if (item j( [credibility] of turtle (i + 1)) != -1)2 C Y* k* B4 J/ w7 @: l
;;判断是否给本turtle的评价质量做出过评价的节点
7 E* x7 J) Y* _& O+ S[set note (note + item j ([credibility]of turtle (i + 1)))8 B& M. G. y6 g* G* ^( t* O
;;*(exp (-(people - 2)))/(people - 2))]4 i X+ \: ]9 ^8 n) z8 |' ?3 B, x2 L/ w
set k (k + 1)6 z5 M% I( f2 x* b* K7 V
]
8 p$ u- Z2 R4 X. ?set j (j + 1)5 R- d j0 ?& f
]
$ b9 o+ }9 M1 A; [; S3 Iset note (note *(exp (- (1 / k)))/ k)
+ @' }, a( k" h" S% ?set credibility-list (replace-item i credibility-list note)( I+ F/ r9 O1 [1 P; A M
set i (i + 1)5 D5 I8 N1 d' I9 t6 K
]
! K! j4 T: f0 Oend5 U: e1 y6 U) B y' ^
, v; r: H6 z, a: k8 V8 cto update-global-reputation-list9 ^) V7 }' Q4 D8 b/ W
let j 0) C( M4 l6 w" z. t/ h H
while[j < people]( {- E; C9 F* d/ v7 n3 m4 M( {/ h
[
& N3 F! I9 D- ?3 `/ A* Zlet new 0
' R9 p$ O6 b" F3 ]! D! _! p2 M;;暂存新的一个全局声誉& o8 s/ a) |; t R1 A
let i 0( U. X: ^6 w5 M! J- T. _: d
let sum-money 01 N4 A9 t; F3 W: \7 n
let credibility-money 0, m& B( V- S3 d1 j0 F" j
while [i < people]7 _* p' Q6 W0 d* k. {0 v
[
3 k# \ A& w. g2 X+ [4 i& w, lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. b v' y! O: g! B- Z. Eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' q3 m- g( w$ y# G. v8 c
set i (i + 1)
- f- \3 D0 ~' |1 j o]. S- w% n b9 N% | r1 n8 |
let k 0
( e) y5 a: V' Zlet new1 0! o& D# |8 _1 h4 O( e
while [k < people]
) f2 Z' A8 e, e* b/ y) `2 r* l[
u& _0 e! f- G$ X2 a Pset 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) T3 \5 {2 H( k& w; U) S ]
set k (k + 1)
! H, F; d' p) F$ C6 F' H* q]
$ D# [; A& x- u" S0 v# K xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 5 l- w* |; F2 y) k, B( {2 O, s
set global-reputation-list (replace-item j global-reputation-list new)+ W7 l( ]: |9 A) E$ K9 u0 B" w
set j (j + 1)3 j4 b: ?" C4 W0 S1 Z/ {, l' \
]: u6 Q2 ~8 v" p8 ?
end1 t4 |5 l) U& G) Y/ T
. x. g2 x8 V* y& X9 f9 J4 g+ w+ W' H1 r
: h' K' u9 ^* z6 R3 _' m, f
to get-color% d6 u7 t6 g/ w! `
" t6 w+ n7 g5 C. e' a% fset color blue% y. m$ f0 j! m0 ^+ \0 R, r( X
end6 M3 \* ^6 f3 u; c `9 X' B( {: L
7 u# ?& T' _, J0 ?, M0 F. jto poll-class
9 R! D, h! f1 T) ~* _0 \end
]0 E1 p5 N3 J9 O0 N# Y/ T7 I& F! o5 y) X7 T/ e
to setup-plot1
8 i) U- G' y1 p- i- M" ~* h b4 ^. Q h0 f2 V
set-current-plot "Trends-of-Local-reputation"
% ?8 I* z2 l7 _, v: q2 Q- B/ D3 P% m1 o' g6 U" G; S7 `' z9 k
set-plot-x-range 0 xmax2 ]4 T: Z7 y3 C3 c; z
' A E( a4 z3 `. u. `set-plot-y-range 0.0 ymax
* ?# y+ s! e; p7 q. M Qend7 c" H7 D# {5 ?5 l6 a% r0 u
! W5 w4 K! K2 u& h ], Qto setup-plot2) s5 v. K6 _. C: W
' z9 p- \* H3 s7 |0 Bset-current-plot "Trends-of-global-reputation"5 t$ ?; W0 P# o5 M& m& I
6 l. Q1 W% b. @! j$ j9 j `5 [8 V4 sset-plot-x-range 0 xmax6 a% U" G L% P) O- E" g
: R- Y9 R4 r# W+ q0 ^set-plot-y-range 0.0 ymax' e8 f) r# O/ G7 u5 s1 e( t9 }- z1 j
end0 j1 c6 G# W9 x8 [, [% |
" K0 z6 w) p* n5 N" cto setup-plot3* ?1 T7 m! |5 ]. N% E8 v9 x5 X! l
: p% X$ {* m# j: `
set-current-plot "Trends-of-credibility"( I' M( Q# N6 g. m0 q
5 u% q! U& \/ ^# Zset-plot-x-range 0 xmax
3 X9 L: Y$ }4 Z! P
% o6 I* E* |$ iset-plot-y-range 0.0 ymax
. O% @) ?; O+ ~4 q9 p. `( vend# `" y& D) Q/ ^$ G, n, J) g
2 [# x! g0 _1 Y1 _
to do-plots) \0 N1 i: E) s& }% K! b
set-current-plot "Trends-of-Local-reputation"
$ q1 \7 p" v% k5 j3 fset-current-plot-pen "Honest service"
6 e, y" X0 w4 W6 C( J! i" Jend: ]/ B4 q& }- {3 _
0 A8 ~$ ^8 Q+ \" Z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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