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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; R0 K; m: H6 r; s
globals[5 r/ e6 x* y% d" B* i) M h' S
xmax6 [. e* x/ J! z. {
ymax
6 N3 T9 i% d3 |; p" x8 Z# h }global-reputation-list
3 i& b7 F" @$ C7 A7 F0 e1 e5 Q+ ]: i- Z9 L2 S7 z: c) d1 C" E
;;每一个turtle的全局声誉都存在此LIST中8 E/ U1 z+ E: q- d/ A
credibility-list3 a" H, i* l. A9 C- n; K$ D
;;每一个turtle的评价可信度
0 h9 q6 F6 w; l/ E m ehonest-service2 Z! w" u$ \# k+ E4 u, P
unhonest-service6 y3 `5 n/ D5 C
oscillation
0 _; h- A M" |3 e% Zrand-dynamic
4 P. W+ l+ S: A& G! o9 H7 N/ N]
* \8 V! r1 r. {$ I# X O: v1 }- g$ Y' H) m& g- i; V- E# A9 _) V0 @! [
turtles-own[) [: B8 r* X8 E# ` g
trade-record-all, {' t) W" E( |! M
;;a list of lists,由trade-record-one组成 r7 Y' n( f5 y/ Q
trade-record-one6 |( z7 m# W8 b/ L* E ?4 Z( \
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录! k# R4 a8 l: U( M8 Q1 J E% U
7 L$ f- o ^% B! n4 F- |
;;[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 ^( p0 w( S8 t9 X" I, T7 H
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]4 l5 w! }9 Q- W! h0 V; y
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. T2 h) X% W% A0 Q: T
neighbor-total B' u. `( x, q% D6 C; U$ Q
;;记录该turtle的邻居节点的数目2 l% ]* ^/ ?0 D
trade-time
m1 C1 h( w, ^4 g3 r6 V# `& o! ?;;当前发生交易的turtle的交易时间# R8 P5 l1 R8 p. h! E/ J3 q
appraise-give
2 k. s, F. j; L- H;;当前发生交易时给出的评价; }$ U6 G6 g+ Y3 Y
appraise-receive0 e5 I9 U8 `/ {; o
;;当前发生交易时收到的评价* `* Z/ |4 d9 h/ [5 ?
appraise-time
: J' \% L4 n( ]4 [6 B. r5 `;;当前发生交易时的评价时间2 p; g. z4 F4 |5 o; t9 a: B9 @; T
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 Z( P1 A2 S. j$ a$ n& V0 K+ Ftrade-times-total8 }& f8 p5 W( x/ a! c `, j
;;与当前turtle的交易总次数& |4 t: ^% ^7 O: x- B; e% I- L; v0 v1 J6 S
trade-money-total1 z4 H' c7 K" g/ q, K+ \. u
;;与当前turtle的交易总金额
" |' a5 `) Z6 E# Vlocal-reputation' K0 y8 Q* s w6 K% x1 S
global-reputation, C+ U, p3 s2 ^6 J& Y
credibility
) i$ u" X5 {- ~ x; z9 g5 |;;评价可信度,每次交易后都需要更新$ Q& H5 a# E) Y/ @
credibility-all
/ u/ Y( S3 G9 v6 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
/ @# U! d. w( r. O( S$ _) v
6 q. `5 G: x- Y8 g6 y* \;;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
0 C! {( r" c7 r& D8 V; @5 Ccredibility-one5 E1 o6 j) |; e* B( ^. k: [2 y
;;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
2 o( m' s" N8 Q5 E- Iglobal-proportion
$ {: X1 O1 r) o4 G: Kcustomer$ z/ A$ {2 v& I# X5 Z
customer-no; X, V: U+ E5 B5 M& W
trust-ok
[. z D6 b5 m5 Dtrade-record-one-len;;trade-record-one的长度8 }) V, h- ~' [! B# A: `" H
]
' H! {+ C' x2 C7 ]) D3 `+ i' Q- b8 q: C( J" W: i7 u1 N
;;setup procedure% U1 O$ Q8 B, F6 a: | o& c% M! w
- s. g0 l& d0 s5 n
to setup
: X: U* }8 c- C! J+ N( A& t* q6 A
: }9 f2 ?2 [1 j2 g. u. Y2 Gca! [8 @4 V4 H8 N) L$ e* y: F' |# C
" o0 n- J" S- X; ~
initialize-settings" L" F2 w$ ~" w& e
* p _( M5 ^6 [% x) s2 m* f
crt people [setup-turtles]8 S4 ]; ]1 M( J+ D, a3 H4 M7 l3 e
% W$ l6 V" r) x+ b
reset-timer
3 m5 `" M) R- w6 {9 m
5 i) d) i' R. ^5 Upoll-class
0 `4 h( z7 I6 j
8 g) K5 B K- c, zsetup-plots1 Q# U4 m9 U% l9 [6 e* \! q" A
+ x2 f9 ]3 G( ], Ado-plots0 P# l" q( \" r0 w& L7 k" U5 {
end
9 o( t. v/ `4 K. q6 v# ]
( Q# _5 m8 A- O- c: [% bto initialize-settings5 x. [+ u* g8 V# W: y% @. D$ s
' y+ k& g' k/ w; T! ?
set global-reputation-list []. C/ V* T% v- H9 _7 v8 a
1 n2 L3 T6 Q5 K* R- `- `2 k0 Mset credibility-list n-values people [0.5]! @8 O, o4 V! H& d! y3 J9 h
l/ | n. }* Oset honest-service 0, I% j( z# X+ H J2 E) j( P
h0 z+ e, m9 u* g$ _3 H
set unhonest-service 0: @& S# w( Y8 [+ f$ c+ b
9 l7 q; c8 x2 f# G# U1 a1 uset oscillation 00 O' _: y+ k4 {4 C a
4 w2 M8 x& `: F' {+ S% I: v% c/ oset rand-dynamic 0
# u4 t1 C7 ? {, D; c, r# Yend9 X( ]9 b7 _. _0 a
. ^6 P/ O, W9 m/ b eto setup-turtles " N. Y, G& `# x) e- i- O
set shape "person"' [8 ` r* [$ O" P' q# m+ L, }
setxy random-xcor random-ycor' O3 B5 P! N, P E
set trade-record-one []
! y& W: @& @- `; ^$ m% {4 E
& i/ i& d6 T3 U' Bset trade-record-all n-values people [(list (? + 1) 0 0)] ; R0 x, o( }* Z, U9 y" s
/ C: n5 j( E4 T( O- N( z
set trade-record-current []2 n) c$ S2 _! F A
set credibility-receive []
! q2 |0 K/ g3 e+ u5 r" eset local-reputation 0.5, L* B+ z" Y7 d; ?) T1 c
set neighbor-total 0
9 ?' a7 R6 _! ^, Q# e t$ Tset trade-times-total 04 m# J9 y2 }7 v9 i8 V1 c; u
set trade-money-total 00 M# w$ a! r7 O- H# B7 @
set customer nobody* X; V6 V6 R% D) e
set credibility-all n-values people [creat-credibility]% k+ }" V. p, j
set credibility n-values people [-1]+ t$ ?* U# h5 \2 v
get-color' ]1 O+ B! S) z' b! i/ S
) S0 n4 Z( @: K, x$ y" A1 ]. E
end/ q( c9 m0 t' g& a! G
" V: P$ t/ ~8 d+ I7 G, Y gto-report creat-credibility
( C$ {5 v. n% i) o7 ^) dreport n-values people [0.5]7 Y1 _: Q1 \' e3 D
end
( x/ Y/ e M- A1 ?! @0 }; }6 g
5 r, F2 V, Z( \to setup-plots
; J/ d+ Q9 x$ n# o: G' q! _' I0 Q$ ?
set xmax 30
* i' M$ i! P4 r; r- W* U/ a( u
. ~6 i3 a- |% f8 A% Dset ymax 1.0+ j& F" B" n6 _* l! W
% Y) {( Z* \7 B8 ~clear-all-plots0 D: C$ k5 l0 I. _0 o9 G
0 s* K/ J) ?# c& T* Dsetup-plot1' |" y+ B1 M6 ^6 k; w
" Z+ N, Y1 X+ g# w
setup-plot2
# L) ?0 C0 M2 l7 M
7 `6 u$ i0 g, i$ x$ Q+ gsetup-plot3
6 G2 T' [3 y/ O+ Fend
7 U L! y1 V9 \& B7 u2 A- j. v' I1 }& K* Q, P f! s
;;run time procedures, g2 J n6 j+ q3 _+ C
& r3 O$ B4 g$ d$ d( ^3 |
to go
5 U" X0 E! `7 t0 q0 q4 V- ~8 a+ L' T& [2 X. J7 T& [& _
ask turtles [do-business], ]$ X' E+ P9 m
end( M7 \- a9 J* b& u3 V$ X, Z
: n+ g. O) A# U! @. Ito do-business L0 S) u2 E: q2 K5 m; K( Q
2 p, d b% T' z0 Z) a! K$ I; J
. ^3 H1 r5 V5 q6 g0 E/ g
rt random 360
& `! l) r1 Q+ C9 P. {- i) z- D) b& N
fd 1. P' B4 d9 n' r. ?1 X
- e: |9 W0 F4 J% c, j, J$ p. |
ifelse(other turtles-here != nobody)[
. Z ~; m( u. z# O5 l* y. z2 |2 W
set customer one-of other turtles-here
( J" I4 y9 s9 z( |0 }, m
9 O6 W# h( b, \;; set [customer] of customer myself2 b+ p6 C! `8 j6 b
7 j7 l. B% v$ y# r: u
set [trade-record-one] of self item (([who] of customer) - 1)! e; U4 v$ m5 \: L8 z7 p
[trade-record-all]of self
& N/ y3 Z! Q' }4 [% o% D* ?;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self% u) [0 ?4 h# {6 A
$ V' _% l& z, C* V+ T$ R, uset [trade-record-one] of customer item (([who] of self) - 1)
8 t. Y2 f1 w* _' }[trade-record-all]of customer4 S* Y' |8 \( M, Z7 q2 x( L4 \) \0 S; C
7 s' F3 R$ o. y, iset [trade-record-one-len] of self length [trade-record-one] of self
! _+ o% [5 q4 a( [3 k* Z" q1 e! W8 V4 h$ W, K
set trade-record-current( list (timer) (random money-upper-limit))
8 @2 F/ P" {( Y! Q. d9 L% y- z
/ v9 V+ a1 [0 h7 l2 f( qask self [do-trust]. Z8 ^- s: b, S0 [2 P/ R( j+ \
;;先求i对j的信任度7 m: c" ^- q' Y5 |
& R: \# ^+ l7 n& Lif ([trust-ok] of self)& D) S k, {$ _& ~* k' ]7 H: |' H
;;根据i对j的信任度来决定是否与j进行交易[
, @ V, l9 ^5 [; u' @ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
% Q D! C1 D) P6 S
6 y4 \1 [; C" _$ i( c2 i8 q- Z[4 l1 Y: Q% l: t
+ ~' u! @2 W; @% V2 ^' f8 N' Y4 U7 F1 ydo-trade
% D/ }4 X, f2 T6 t5 E& t4 l& G5 e$ j* v: B
update-credibility-ijl
% q$ @% o3 Y( p8 k; V. J4 _) [; C A$ ^
update-credibility-list
0 t0 Z; m; x! R, ~5 C0 M( o. O" S5 L7 i: Q" ~9 P
0 l/ `7 `% T, U/ L l) S5 N
update-global-reputation-list, }1 l3 B8 @3 M, \6 U, }4 k
+ k4 G/ ^* ~) c$ u9 q3 q. r# F8 g
poll-class# t3 X: }! i7 }7 \ T: s/ N/ g& u7 c
( g0 _: i' ]& G# o' pget-color
* r3 P4 K+ I4 b/ b- |6 v1 d' `! n2 \6 `: N$ Z
]]
8 P8 d) u, F6 \ X7 P1 {* A: t* S3 |1 H' ^5 d5 v* X
;;如果所得的信任度满足条件,则进行交易! I9 C2 [1 t, ?) C+ h
6 H$ g3 k: y% j# J* F
[
0 G3 u# j8 a! h; C
8 T/ r; O5 U+ f! Crt random 3603 R- g3 m0 f, t6 p
/ I/ |7 P* m% Gfd 16 c3 V' _/ h* S5 J5 @+ C( N
& P% Q9 E8 Z6 C. M# O! `$ R" n
]
- C& g) a; H* D( F4 d7 M3 }- L1 ?) t- R1 X; S" m2 a: Z9 K1 O' W
end( o! m; ?+ S' v: @$ X
1 d7 p% R" r) ~
to do-trust ( X2 F* M6 [) s% l& n1 Q: E, \
set trust-ok False
7 D' d: r# e x% p
- Q: x0 P, N; @. Y9 K& j* r* [4 M% M+ h& `, b" W
let max-trade-times 0
, K: t* f; d' F& w8 z. f; R* f& g: Lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 t# p; Q0 d& c4 Q1 |let max-trade-money 0$ \' B* g9 L7 C8 n/ Z- z( i
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 W0 r% z2 w _ j( h& }2 Elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
2 }, {; A& ]- C! R) ^$ D. ~* @) D; k: P# i8 y6 S( n7 Y; O% Q) I
3 `& V: s; V( B" T1 {( d) q6 C5 tget-global-proportion+ f3 @! E! e& b/ J8 ^9 `. k0 Y0 ]
let trust-value
y7 x6 ?& L/ K- @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)! n4 I3 `. \% I: M( F& _3 T( V
if(trust-value > trade-trust-value)$ x; P0 i) j6 h1 _, S1 D! T
[set trust-ok true]
7 F* _/ V& N) Q; p4 ^end
- M% z: L0 j8 ~+ D7 [; d" f
6 Y6 J$ d; \* m9 Y/ h1 z) ]to get-global-proportion
Y( v9 p6 j9 _6 r- Difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 N# c- n! R" q5 b& p[set global-proportion 0]
$ P* }* H r! q3 {8 f* C0 P. A6 r[let i 0) l! _; L* V2 X6 `
let sum-money 0
/ D! z8 G; k3 d/ `while[ i < people]9 k" f( q' S5 l2 B- l* p9 `; {
[& f5 ?6 V9 J2 Z; N5 Z
if( length (item i! r/ ^% G0 f2 e& ]/ f: r9 g7 p# F
[trade-record-all] of customer) > 3 )
: r* C! d: P2 R; F5 @[, |6 \- k' ?( g; {: \( w
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
- @$ ^ t C( P! c]
( B7 s4 a ` W. d]
+ f3 G* v1 G$ Qlet j 0 _& `; e, }1 }# R* E
let note 0
- i8 z# Q- ?# |' fwhile[ j < people]
+ C" X$ s* g {* E( f: }[* v* C0 }. L$ ~& p1 R8 P
if( length (item i
3 l, i" R9 [7 j5 }7 T# `7 t[trade-record-all] of customer) > 3 )
: o5 M* M* g7 d. C( x* U[
! w2 ]$ q( q w4 J1 [ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
; _; u7 y" }+ j* e6 M# ?[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]: _/ `; x& g2 l7 A% t. X
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ Q! }7 }# g ?# e+ i]1 u% K1 k7 x+ e3 q% P! a& S
]
) J1 f, z# W/ _+ [, D& Cset global-proportion note' _$ D/ v" q2 r6 V4 s# M! g1 B' L
]
$ _9 a5 c' g" Vend
; D: y) I8 G; m1 S# `" s
B( L3 B8 {; B1 y. s3 bto do-trade
$ p0 \& K; B T" K;;这个过程实际上是给双方作出评价的过程& a0 N& a }: \5 g( j, ~9 B, W. a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% ?6 y- S) B' _) t! Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ R9 I7 b0 q% Z e( z7 ?8 _
set trade-record-current lput(timer) trade-record-current8 e8 Z3 D; x5 L, V7 N7 X( l T3 H
;;评价时间* Q- @: x, D. e( ]5 V3 f) j
ask myself [
+ O% j: `/ V% |6 bupdate-local-reputation
# q6 c! ~# P! V X1 I C( Vset trade-record-current lput([local-reputation] of myself) trade-record-current
+ P, r: i# V0 L# o+ W; g]
& L" ~& D$ T; v* n9 Sset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 a; p8 u" u& a. s2 \0 i. P- O, u
;;将此次交易的记录加入到trade-record-one中
P& \) U+ T. z6 O2 [set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 K8 T# x( ?, |1 ^ S. M9 r9 ~) E8 Qlet note (item 2 trade-record-current )4 ^. s; P; a+ m, B2 [5 K$ V! }
set trade-record-current
; I. E3 j8 v# ?: x3 o8 r( Z7 {5 O(replace-item 2 trade-record-current (item 3 trade-record-current)), P0 K3 {* ^) _" `& e1 i
set trade-record-current
' I) ~' E5 C4 e3 }* D2 E4 A(replace-item 3 trade-record-current note)% c1 L% t `3 _! L4 I
% C) T* h- i! R/ Z' E3 z, d$ _
" x# j/ M) w; \! d* U+ Y# i bask customer [
$ r- Q5 v! n7 |9 u5 u! u( \update-local-reputation
3 u+ g3 K+ M9 ~set trade-record-current, R* V! t0 O1 y: v$ Y: C
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 q {6 v7 H# L) t/ |) O% X. |
]. i8 L, [4 i) u& e6 x# Y
{) ^4 P& w6 f: V/ I* T/ ^
$ R1 V1 w1 T1 X: \$ T2 M5 D
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% l& e( A& n$ F. m
# ^( T/ N3 _. ~: G6 y, zset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 J4 o5 S( k( @9 p8 L;;将此次交易的记录加入到customer的trade-record-all中# D# L5 a1 b1 l4 D' ?& M
end
/ g$ h$ }7 M; |$ N/ X; C0 {' d; \1 x' l/ H2 g. [
to update-local-reputation
) Q0 g& ?+ x0 G% C7 F- ~0 Hset [trade-record-one-len] of myself length [trade-record-one] of myself
/ Q1 s" A2 S6 Z. x8 W. ~6 s' v+ r% e, D6 ?7 L4 c( r
% T+ l' e& d& z* t- z, D;;if [trade-record-one-len] of myself > 3 / A, W; _* c6 x. Z7 C9 g
update-neighbor-total
9 v6 g* n' c- l2 r1 M6 n; a;;更新邻居节点的数目,在此进行; p# W! M( M. X ? _$ M
let i 3
- M- e, N, o1 l4 B. Mlet sum-time 0; u6 n; |& M" `$ ?" \: A
while[i < [trade-record-one-len] of myself]# D' r, n) G9 w6 e& H" J
[
6 g8 H2 P1 Z- h! Eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 Z& E6 Q0 t, S( U% m" {4 v Yset i$ G' b- b' ]) A: B
( i + 1); q) N g2 [$ w% V1 b0 y! s
]
: C2 y( L$ Y0 j8 h% r2 elet j 3
Y2 V6 y- ~% M( p slet sum-money 0: k: u" t7 p( a' u2 R8 x
while[j < [trade-record-one-len] of myself]
2 ?; F. D. e: Q# u3 `1 i% C[4 p: }+ f( i, G i
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)0 @% J$ m: L6 w/ c9 x J2 G
set j
$ [7 {& z/ y0 B( j + 1)" f$ R9 W* S: H } Y& E' U
]
- w7 ]2 V' B0 w7 Rlet k 3
- e: B+ w8 C3 clet power 02 S, x, Y! |, O% C
let local 0
! e" I% p9 T# M1 ~0 g% bwhile [k <[trade-record-one-len] of myself]
8 P3 \% m8 |! i1 J8 _" O4 T[5 ^6 }; ^4 {! s, ~6 p* U! a! N/ ^
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% K3 ]% }! `7 i$ {* n
set k (k + 1) p. {0 p( k4 u7 H
], G. F* O3 y7 f1 a h. Q: h
set [local-reputation] of myself (local)
& I; e; { Y7 n8 ~end
. i. c4 T5 L* F
# w# K# S6 N" [to update-neighbor-total
6 i# N4 A/ V) Y+ ~$ C2 s
1 S1 a0 m1 C+ d& l, {3 ]/ sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 Y% B9 F3 C, W( d; K, {
, i8 C9 B4 l6 i1 @* q7 T
5 r" V: C2 J7 w4 i4 L- {4 [/ G8 @( {end7 i* \( ]/ _0 }/ J# c* o' u
7 p- E7 m( W1 D% u$ }1 _to update-credibility-ijl
( d# c- e4 s ^, L2 P, x9 M
& a3 h" r# S( m; V' C8 W$ Q" {' O" N;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
% _8 z6 c1 `) | S* ^let l 0
9 ?* }# l& j6 ?/ Fwhile[ l < people ]
* p; {0 ^0 z! C: \/ m" q;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价$ E1 s) G. O- m, y. f" u/ I6 m; P9 v
[9 X+ ~( S+ ^& W# f- ]+ ] M' ^& \
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 H* C. @7 b/ f" }( q( R" E
if (trade-record-one-j-l-len > 3)4 u' Z0 j4 j5 l% z- P) B8 e5 ]
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
* k- G$ v+ D3 n# G6 nlet i 3
L$ q) M; ~- T# L! |# {: Alet sum-time 05 @& _! q) \7 L8 c( T' |" R
while[i < trade-record-one-len]
4 J6 J( d4 n8 ?) V+ h[
$ o- l3 F: \) [ ~8 k oset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! M6 [/ u0 J3 @3 Xset i/ J. O, \$ `" H
( i + 1). a5 B, s0 z; T) s
], g* D$ X: _* X1 I+ P4 U3 q& K6 R
let credibility-i-j-l 0- ?4 H0 f$ ^9 w3 }
;;i评价(j对jl的评价)) M! }. A9 {( ?7 m2 ]
let j 3
9 ~) x1 F' I, ~8 {let k 4! I# }( T8 a( t- D" M
while[j < trade-record-one-len]
0 E4 k2 Q2 E3 R4 w$ n: W[4 K9 S: I+ p7 }4 [1 q. M7 d
while [((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9 S: d, I6 Y" T3 y& ?' C, b# L* s
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)
9 M8 ^+ a/ _; Z! Gset j' R) P; d& H. W8 D
( j + 1)
- ?, ~7 p# K! h" x* w$ G]) F: w& V: F! ?0 I1 I7 h2 n- U
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 )): M1 J$ {9 I" x9 t; P
8 w1 t4 A0 b3 y7 R$ `! k1 ~" c" T2 @: V8 P H
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))8 ?% t. C$ ?, g' P" ]; r
;;及时更新i对l的评价质量的评价
9 r8 m) M" a! M# rset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. u) d' z$ Z! x( N4 S
set l (l + 1)" I( i9 y. [( x+ R
]' j2 k/ P- o' w* c5 M* N
end& r. ?& o$ \$ N
( p5 G& B! c7 a. B3 t8 n* Hto update-credibility-list
* g+ ?% ^) X- q# t8 B3 R/ xlet i 0, {% s8 K/ P( t- ]1 p. z- G
while[i < people]0 W2 G' G" T7 v
[6 c/ l7 E& s* D. u; `
let j 0
. }/ F% n7 e- L! b- n6 glet note 08 d `1 n1 C7 B" ~/ Q
let k 0
2 s# M! Y+ `# i, U! c- J;;计作出过评价的邻居节点的数目9 O. a" U# Z! m, r* B
while[j < people]
# G$ ] H& V9 @( t& A[
, T ?; S9 \4 ~2 r h. Uif (item j( [credibility] of turtle (i + 1)) != -1)
5 y$ V: [% G3 M;;判断是否给本turtle的评价质量做出过评价的节点
- c" Y9 R$ O, N7 s# v0 {[set note (note + item j ([credibility]of turtle (i + 1)))
. e" f# n+ ]6 ~;;*(exp (-(people - 2)))/(people - 2))]: g4 N$ E* [. z7 v
set k (k + 1)
1 v! q4 r( c1 n]: y6 @8 o. L r
set j (j + 1)
( a: E8 h6 T7 ~9 h. x! J2 G]) }* J! z) o7 j! B3 r! V
set note (note *(exp (- (1 / k)))/ k)
* x! `; k) D/ s7 }8 n" Iset credibility-list (replace-item i credibility-list note)
, Q5 I( r) d" Lset i (i + 1)+ `5 O5 x+ s+ A1 S
]
. E. b9 [( i$ [; J% ^end
! y. b% S1 l) X# u; Z
! w6 K0 T) w/ ?8 H; Q9 ?1 u$ s; dto update-global-reputation-list+ M$ b* S+ i* ~1 f6 b9 R4 Z3 V. R+ l
let j 0
( M$ G) j# P& i9 D, _6 g9 B& @& x. Kwhile[j < people]1 B: z, {, s2 j" w, o! }
[5 j8 V1 X1 ^; d) U: `
let new 0
: l) E# w# D; H6 d& Y; r5 z, m;;暂存新的一个全局声誉/ c# Q3 [- @5 @% c! M9 Z
let i 0, F+ g8 A, `% d, z
let sum-money 0
! g: f6 d9 }$ r4 Q3 T" @let credibility-money 07 |6 I4 t" [" e/ x! f
while [i < people]
, e. ~9 J6 D: Y7 Y3 D1 T* Y[
% q8 }% _: L* }- R7 ~set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 g/ r/ ]$ n& d
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 A. N2 {/ ?; K0 B Y
set i (i + 1)
# Y) G4 t1 B F) w7 C1 s% c]
0 S* q) u: ]( Q; D6 {' R, \let k 0
! _8 [* [ Q1 y& k+ a# Q1 Mlet new1 0
: B$ q3 |" x/ _, d, dwhile [k < people]+ D5 @, B5 {5 t c/ X
[
) T# Q0 i+ P0 ]4 b7 wset 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)% {# c7 L5 @5 f q
set k (k + 1)
% B' z* T u6 o0 b- E X], B, T% n0 m% f% B: W3 Z
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, K! E4 J h. s2 N# c. C% dset global-reputation-list (replace-item j global-reputation-list new)
- M& l" W; L3 `set j (j + 1)! y! m8 B, ], B& t8 j* g
]. Q& C M. K" H5 J, R
end
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- J# p" ]. I% A5 {5 `
/ G/ a k) A* ?+ R8 ^3 Fto get-color
+ S' l8 C3 r; _: Z
) q: F v8 T r: i5 z0 S9 dset color blue
, z) h/ H1 K6 s! b' uend0 X$ P, }- G0 ?; j
8 _* j4 m9 G8 X, A" i8 ^to poll-class7 ^; Y% z3 N4 o7 q2 P
end
9 A: V# y' A5 ^' j# c0 D- l& U: M$ D- b* X! d
to setup-plot1
2 J# _, \9 S0 S) C4 B6 |* ]4 M" f+ f1 c' V1 F9 G1 R2 Q
set-current-plot "Trends-of-Local-reputation"
% | d5 Q7 X& K2 D1 K* V: ?
# W6 N# |6 k e0 E, j Y" uset-plot-x-range 0 xmax5 C6 {5 [- \# C; U7 I) N: f) o
/ Y* @0 Y& Y2 v3 u
set-plot-y-range 0.0 ymax
. W& @2 y2 S* s# N3 p5 X! jend L8 ]- t1 O* K- G
6 Z- T% z1 {! Q6 z; |: t! I! v3 F W
to setup-plot2
" J9 t1 S) {* }, _0 ]. H+ A8 x! Y2 y# k' |. j
set-current-plot "Trends-of-global-reputation"
" i9 u. E5 w. V9 t
% w1 R+ @1 ~- l4 O% i- `6 r% tset-plot-x-range 0 xmax
, F0 j9 R$ L" x1 L9 _1 [* G+ w" Y2 U! ]
set-plot-y-range 0.0 ymax
9 Q$ J6 Q) ^4 f9 D' b* l8 J3 Q6 \) Rend' z0 y& K! p B: d
+ r& d! l6 H2 M# O' l3 s
to setup-plot3
3 f6 |$ o" @2 g* H4 S' P' K8 U$ m) t/ ^, ^* V. g: R' c7 M, @
set-current-plot "Trends-of-credibility"& H/ d" [6 V% |
6 ]1 J) V; Y# oset-plot-x-range 0 xmax3 V4 [/ H5 U3 c1 g, p- w+ _4 }; ^, @
' U; _/ o# E& |7 a" oset-plot-y-range 0.0 ymax0 c6 k1 ]6 a7 M! x
end
; A3 s+ L0 Y9 T8 D; {, P" m2 D6 A) m: J
to do-plots
6 R& L: L% j; L9 S3 T7 vset-current-plot "Trends-of-Local-reputation"5 R3 U' z) j, z5 o5 w: O
set-current-plot-pen "Honest service"0 y& ~/ `6 w s+ l4 v; i( A
end! O8 l) I" s" [% P& c$ b9 |
, f% J. p% V" b9 Y: T8 M2 ^* x
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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