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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
0 _ X. m A+ m; s+ ~- Uglobals[. C& T: R6 _5 Y+ K% `3 m( S
xmax( _+ Y+ x4 h9 o: Z! u- K% I$ D
ymax
2 P+ j& }1 g2 C# G, ^+ lglobal-reputation-list8 W, ?1 L" G v- a- o
2 ^2 z0 M8 i- N& @! L;;每一个turtle的全局声誉都存在此LIST中
+ j- c5 n4 S9 a4 l# ]- ~+ D. Wcredibility-list
" D+ v& U. N. h7 _;;每一个turtle的评价可信度
: o2 N( H- A: I9 {# Z1 ?, q2 zhonest-service
, D0 _9 f' K: f' }unhonest-service
- z f) V- Z$ Eoscillation
A: Y9 w- O+ y! E/ b- h2 Prand-dynamic
0 ~: c# \* ]0 H/ H1 q]
$ p% i3 F" q- s0 D9 J4 o. e/ h
+ ~% l) A6 K0 z+ b6 w4 i! [( S U+ kturtles-own[
0 a4 `' n; l7 V) gtrade-record-all- C0 q6 Z$ p0 i) W7 ?
;;a list of lists,由trade-record-one组成
, o) _ W; `0 d* \0 I4 Ptrade-record-one
, L# _. F* C: ?2 X( V;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
8 O- } G4 B) G( H1 b+ l$ n1 v+ c% i* j2 I6 Y# G5 s
;;[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]]( z$ y4 X2 a5 I6 D E! z" ]1 K$ c. N
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], L+ Q( w$ R. b
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+ e) N3 Z) Q$ L+ c% ~
neighbor-total- F) r" U, e( u9 I7 K. m
;;记录该turtle的邻居节点的数目
1 ]! d6 X5 t% ?* O, ytrade-time/ X/ Y Y4 S$ \7 K, J
;;当前发生交易的turtle的交易时间4 X, k: s% n& g M
appraise-give
, Y& t% d1 ?( c0 W- X2 A;;当前发生交易时给出的评价
% X f M1 t( a" r$ R# Zappraise-receive
3 q9 f3 d# D+ Z5 k3 [;;当前发生交易时收到的评价
# o) E3 {3 ~& lappraise-time8 } m: U. _& G/ ?
;;当前发生交易时的评价时间) k, l3 `+ |- h1 w: K% e6 Y
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
! [8 z8 i; J. } L; G! atrade-times-total p% _3 J: x0 H
;;与当前turtle的交易总次数' N0 T" x4 X+ q2 S! Z l
trade-money-total
' j+ F* u: F: H& V& d: ~;;与当前turtle的交易总金额
" \9 u9 p3 f; K- elocal-reputation
* m; v% a+ F1 `, u: hglobal-reputation
6 E7 N; [+ a- l! Z/ Jcredibility
, L3 k" _/ @. _4 g$ N;;评价可信度,每次交易后都需要更新, _6 b# X: ~- j7 N5 `6 H
credibility-all2 j/ j2 Q3 B) z+ K3 w0 E
;;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
+ ^- K) R7 a- J9 ~+ z7 W; Z3 I3 `5 ~0 A5 [
;;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, d: v \: t6 ~/ _2 bcredibility-one
1 g3 N, k5 d& I! M;;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
/ z( T }1 G* N6 Iglobal-proportion3 K) K- l( ~# B0 L. C y3 D
customer2 v# X4 Y/ v* I6 X- v" b! `0 K
customer-no
A" E, O Q$ a- A! Atrust-ok4 x# C# h. T, `+ u1 \. P) A
trade-record-one-len;;trade-record-one的长度
! I+ w7 ?& d$ ^5 }! L]* m, Q8 _9 y# F8 `7 O1 C8 S
/ J* J- ^) W& Q/ d) K8 ^4 \4 q! ?;;setup procedure
9 s) s: X- U8 O# [2 D6 o
, [+ Y& k0 ]) p+ sto setup; j. i) [7 L- |0 Z9 i! d9 i
1 a- X6 T% y j: m) Sca
0 O* Q5 X+ w/ s: X c2 B% I5 k" V9 u# U( T( G
initialize-settings
1 e( y$ F+ ]/ |: g* w0 B! U1 p& u, j. F6 ~
crt people [setup-turtles]9 {% }4 g5 ]! F4 }6 X, B& ~
6 b$ w/ l& w! b( o' C
reset-timer
- [2 b9 N, _6 L7 | Y7 F: G
6 @4 B8 T; n& ~" r6 a1 _8 B" Tpoll-class7 N9 a% |% B1 W. l( ]9 Z
' C4 d. S9 @5 E* D
setup-plots
/ v. w* }2 C! u4 ], G1 Z6 h
- @$ |! K; L q- F! f M) fdo-plots9 f# F6 i+ R5 Z# d% F1 R
end
* E7 _% D0 J g- b9 ]- N
1 g# `. E! q1 y9 }6 x D; j' Ito initialize-settings7 P5 U. t) [) y9 s S) d
2 j( f6 E4 F$ _" {
set global-reputation-list []0 @3 A4 t6 i6 {: `/ W* j
$ t" G \( m7 [! M
set credibility-list n-values people [0.5]! K& O6 G& g' Y3 S" t5 E
x; u, Y/ c. n0 [set honest-service 0
0 u7 H) ~ R+ [- l' c) }# C8 Q
+ n7 ? N; M5 w7 Hset unhonest-service 0& \2 R0 J6 S2 G t S
- j5 N/ l8 M9 U/ R4 @5 {) _ f
set oscillation 0
, f8 p& P. a( i$ W; y- O' m. X- I! F( ?" s# {, D
set rand-dynamic 08 c$ C* p6 z* v) j$ q; l
end4 i0 ?% h8 A9 o; O
% @, k+ g7 h+ Hto setup-turtles
" F; t8 e R, R0 }( y5 Tset shape "person"# X% h6 k5 d$ x2 I: P U
setxy random-xcor random-ycor
8 n! g6 S+ _: Y0 U% {/ Bset trade-record-one []6 p F; ]+ R* I1 _6 p" R9 n' _' F: W
$ M" n2 l4 N& w+ ~) Eset trade-record-all n-values people [(list (? + 1) 0 0)]
( A' k0 I; N" \, w$ ^
7 h' [7 y- v `! M( b rset trade-record-current []
' X! Q# t1 n3 rset credibility-receive []% {9 s* g! ]$ w
set local-reputation 0.57 i9 [0 H) W P7 U
set neighbor-total 06 `( |$ b0 m5 q/ A6 v U
set trade-times-total 0* y( f+ U5 P% l; e- ]
set trade-money-total 0+ w: \( g; [, F7 D) [
set customer nobody! `1 ?9 O+ [* x' k
set credibility-all n-values people [creat-credibility]) N1 X G8 q. n% U7 g, Z5 f
set credibility n-values people [-1]
) E/ E l8 W- {) P- e5 Aget-color
" c3 H1 f' h! F" r5 n- x. G3 i1 ]/ r( y; a* {$ G& G' e
end
+ h) Y" t, [9 {) |9 N( I
; r. f9 g" E/ O" v1 e. wto-report creat-credibility
5 X+ @5 n+ f% d7 G, p' yreport n-values people [0.5]) D* d+ {; B" Y/ l' g: z
end& ^, Z% K* ~- @6 V7 y( J$ G6 @
( q+ P' u+ s& D0 o; ]0 T
to setup-plots6 K( N* A2 e8 j
. `* G5 W/ w2 S& r4 Iset xmax 30* M- D3 ~2 j- T2 I/ h& c
, e L, X( n' uset ymax 1.0
$ \ ^1 L; c: \9 d) N, \
2 C+ L# o y; X- T6 ~* nclear-all-plots0 L3 i r+ d; R9 C7 h" E
" S- x: i! @: f) h4 M+ M4 wsetup-plot1! `+ O( k5 H5 P) o8 X
1 N) Z" Y! l, m% |
setup-plot2
; M% x; g, {. k- v3 ^
+ Y, {6 ]& M' R/ W5 \7 Usetup-plot3! E( ~- A. a: s4 x% e0 S u
end; }8 {2 x8 | P! A3 H# M6 N( `
m$ v4 S% N. [" p/ `0 L;;run time procedures
. @. Q+ K" X# x+ z7 n/ a
& y1 K K+ Y3 _* p& Uto go
" _9 v, w s; h1 u9 ?- T7 q8 l3 V$ P1 \! a( T6 B5 I" ^. H
ask turtles [do-business]
* T3 R3 w( K: C& rend/ m! J! p" E. M# a4 A; H3 z
Y' q/ @/ s* y7 Nto do-business 4 Q/ \( v f9 i S. u" Q6 D0 b
$ p" U. Y9 ~, v- x
" n' o5 R9 `$ F" a! K. {( Irt random 360
: a6 [4 t4 k3 \ q# W4 _
4 G( |' Q1 I1 O/ {) jfd 1
L0 g$ w2 a$ F) Q) V- f2 m, }6 S; }
ifelse(other turtles-here != nobody)[
$ d) [8 k* `# k- T; T. f
( i$ j) F1 k( Dset customer one-of other turtles-here1 x* b. p2 J5 i& b p
- M& w8 W/ R+ A3 a+ `/ k
;; set [customer] of customer myself
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- T" \* a$ P8 n/ M; Xset [trade-record-one] of self item (([who] of customer) - 1)0 {8 `- ?7 @! e$ X! s2 X+ [
[trade-record-all]of self
% D9 ~# b6 J* u;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
5 } Z+ G: D# D8 w: H; }+ {2 Y J5 s( X- u) F1 f1 l
set [trade-record-one] of customer item (([who] of self) - 1)
1 D* o8 [& o; ~$ l" R[trade-record-all]of customer8 G- }7 M; |6 z$ g
% j" m- \+ I1 E @# f
set [trade-record-one-len] of self length [trade-record-one] of self, O. \# W" k6 Q) E( [! u
( j( [7 A" a5 q# }* Q6 a
set trade-record-current( list (timer) (random money-upper-limit))4 A' B6 | `5 t+ v0 k9 A
) ]. |+ T1 t" E. N: Q
ask self [do-trust]
( U& l& C+ Z! A7 r6 ]1 m2 p;;先求i对j的信任度$ }: X1 Z A7 P1 O B% R
3 @! q+ t0 U: t- ]8 r, |
if ([trust-ok] of self)
, W( `; Q& t6 `5 v;;根据i对j的信任度来决定是否与j进行交易[& k$ n2 v; X) `2 `$ t+ Q
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
4 q. M- k; Q2 j. T7 c; \; H
) ]: ?. f5 W' P) L[
' y3 p7 v4 k& P( {; S; v4 C1 ]' f0 T( c
+ g0 `1 ]% l6 g; v+ O( r" mdo-trade
- ]) E" l9 a# u8 r1 p
- _% n# F# L mupdate-credibility-ijl- T. s" \2 z+ X# v" M# H: h
" P" F# _' o. ^; }' I. t4 K
update-credibility-list+ h6 x9 ^/ ]9 w( v8 [4 P
: N( x+ `% L n0 h- u& G# P
/ v! Y/ _ H I* k8 Q# \2 Kupdate-global-reputation-list7 x6 C7 p1 }( s/ Z. P$ Y6 f
# A9 c* t1 _- q9 p7 ]
poll-class, [. D' i$ C' \; c! V
5 h B8 E& M3 {; Hget-color
1 H' V$ m9 R( b* Q& @& ^. K
3 j; [! F; l+ R! @8 V9 x]]
7 B% o2 w. U' S; l; l7 F( C& U0 `0 ?
;;如果所得的信任度满足条件,则进行交易
" s9 t) c r* X
. K5 }" J. x6 w5 J[# z* ?3 @) d) u+ F2 z$ a/ O
: x( _1 U, d; m) S1 z5 Drt random 360
. B6 S+ U: N/ K: x3 X
7 }+ Z7 x3 k" x0 L( f' {! V' jfd 16 p) X( Y; e3 i" n9 Y2 H: C/ c
1 Y& M( `+ o* G9 B& E
]8 u* h: F: |3 p0 A* p
4 N# ?+ s- _$ iend
, F0 M; ^" D ?! @% p% k6 }- p- t/ f I" M( f8 \" I
to do-trust
+ O# I% Z4 R4 r, S5 L4 Rset trust-ok False" }# B* b `6 q& q
7 W6 Y) D+ s* `7 U5 e
! a0 B# ~! ~8 E U( D8 alet max-trade-times 0
! H6 `- h0 N2 n1 rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; H& k2 u! k/ O3 alet max-trade-money 0# W9 r" a1 d" F# |* S; f: d
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 Z+ E O$ G0 F m' ?let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- a$ H- ?1 Q# W8 Q) x1 }7 J/ e2 e; n4 ^" O5 v3 S- y+ w& G
. [0 o0 H& L4 f' vget-global-proportion
/ ?7 Q! c. f( J1 Plet trust-value
" g2 v" V. g% r/ t. ]% jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
+ M! `$ U" ~+ Lif(trust-value > trade-trust-value)3 y4 |1 L* t0 v* V
[set trust-ok true]6 \( ^5 v. w1 q& Y+ S
end; k5 b: p( R5 T, ?! U; }
7 c4 i( s) I1 F; b# Dto get-global-proportion
4 c. w2 P, G3 A3 u; i6 Uifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- Y7 h1 n/ n- e) j4 q, u0 |; {
[set global-proportion 0]" }1 s8 ?" o8 K
[let i 0- ]1 u' r- E7 @0 b
let sum-money 0
; ~7 G: Y2 \4 B9 Q9 p/ F+ v: y) Swhile[ i < people]% f- e8 t( j7 O
[
3 C) g+ j- S& h* t& cif( length (item i, Z5 \# H5 J: w: @& c
[trade-record-all] of customer) > 3 )
7 k, r" M# H. L7 W& \/ i[
, r7 R2 ?0 _+ p1 u* cset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 B3 I8 \# [, E# J0 J]* v% g5 p7 t5 I
]+ f0 n4 U, p+ o8 z4 M0 E$ E
let j 0% A) |* j5 t9 H1 q
let note 0* o0 ^ t% p/ u0 |1 r# D$ E" L* o
while[ j < people]/ @. k7 ?0 k1 P2 d- h/ a
[6 y# k1 V" U* K: j) E( M8 k
if( length (item i
' d g/ g/ [8 D, A( t3 M[trade-record-all] of customer) > 3 )# H7 d* w4 o+ U/ {
[
& f& s7 U6 f' D9 difelse(item ([who]of myself - 1) [credibility] of turtle j != -1); k: A. ?0 {. P; n- e' T5 G8 X
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( |5 U" k. `1 L' s. M% J1 Z0 W( d6 ~[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]4 P7 m- u; p. d, g" ^1 X
]# Z6 M; E; {, [: F' C
]
/ s+ Q7 d& ~9 h& Q hset global-proportion note
; `: _. f1 ]# k1 p; a) []
8 U: V- Z4 _2 f# |( ?6 hend
( S7 z- A5 P- A9 U% q" V( q2 _' A u+ ~9 g" V; K
to do-trade# j) k- N3 k% c6 P3 z
;;这个过程实际上是给双方作出评价的过程
: }7 [: c: \5 p5 ~; P1 Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ I j& q. w9 r4 {0 N- a& ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
6 V5 B9 m! x8 U& q3 X* n, Wset trade-record-current lput(timer) trade-record-current
+ [: I; E+ B o% P;;评价时间# G3 y' ~: f0 E9 F
ask myself [
2 h1 i; i: |9 H% g, `update-local-reputation0 l$ \4 K) ^' I+ y8 b W" H
set trade-record-current lput([local-reputation] of myself) trade-record-current. l x6 e4 ~8 Q1 O. H
]
, @: A: J9 F, y" cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
% }# N$ u( [- c' [/ X7 R" f; h;;将此次交易的记录加入到trade-record-one中
* J' x6 l% c0 y* X( f+ Qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ d4 @; b9 G$ glet note (item 2 trade-record-current )3 {; b! k% W* v* J) d
set trade-record-current
) A) L9 _( T7 \. B B7 C& P(replace-item 2 trade-record-current (item 3 trade-record-current))& u. A7 |7 J+ @" [% W, H3 t+ a
set trade-record-current
# E7 x& _" }4 m+ r$ C(replace-item 3 trade-record-current note)4 @3 A# G# ^$ \8 X- K) J2 \7 q+ {
9 ^" a" q7 l6 h' M* _
9 }: s0 z# c. \5 G# M, t
ask customer [
$ b/ y7 ^7 f& X' a" X/ hupdate-local-reputation! R8 ?6 y& U& T$ s3 H
set trade-record-current1 W' }6 |6 ]* I& T4 E; C [
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- j; s6 [( S5 k H]
4 \0 I# ]6 z" Y; Q! g$ c+ u/ n9 j( D# C2 ~& `$ Y
) j4 q; e3 Z0 j. m" l5 X+ N# X
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ Y" s2 m6 {4 e t1 d. D. s! _& L( R/ E) n) O) g; @. C G
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& m$ a) m. G& ^5 R3 T$ z* ?;;将此次交易的记录加入到customer的trade-record-all中
8 b' T+ W9 j1 Kend) E& n! u0 V. ?( R: M* i
' l. N5 J3 k2 z( {% t) {; M7 Nto update-local-reputation: A: g! u1 n+ Q' U* P) F2 f: `
set [trade-record-one-len] of myself length [trade-record-one] of myself: F/ c' ^: ~( {, ^" g' q, ~2 T i
7 I6 Y P7 k( O! T5 b
- Z q6 Q$ g/ r$ g, Z0 \;;if [trade-record-one-len] of myself > 3 ' r/ [4 r4 Z0 Y9 z7 O0 \' ~4 Q0 b
update-neighbor-total( E+ P' B! |/ L9 \7 B, j
;;更新邻居节点的数目,在此进行! D8 o; u* k* |6 p6 C1 h
let i 31 P, {7 s, w7 {- b3 O( b% Q! _
let sum-time 0
O6 @ e8 L3 C0 c" I6 L. [while[i < [trade-record-one-len] of myself]
, e3 E- P6 c% ?& F. `1 ?% M' S8 a[1 G! k# p- C$ a9 }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
+ f$ T# N5 }5 |$ A( l* g2 k# Nset i% P/ U3 I% D7 L% V1 x3 @* d
( i + 1)
9 f, U7 \' M/ t9 c5 n1 a]
' K1 j$ W, ?! s5 }. {let j 3
( K8 ~4 }7 Y: J! t5 mlet sum-money 0
+ W1 g. o' y: M* r9 h3 gwhile[j < [trade-record-one-len] of myself]3 o! _- O8 _3 E# X5 N
[
9 u# ~- } X/ q: Zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 R# i* ~' i1 u3 I' d
set j
8 v! Q! O5 K8 R; G( j + 1)
2 o' E- ~3 N' E! [% c]
5 ]/ v; K0 H$ P8 ulet k 3
7 D _" ~" [* G! Q/ i' Llet power 0
0 D- x5 [9 D) p$ ]8 j r; q/ m& K rlet local 0
. I8 [- h) D- k8 o0 [# n+ Kwhile [k <[trade-record-one-len] of myself]( C& K/ q8 F- I, I
[3 ]: }3 U# p/ a% B
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)
1 U8 a) v0 p; q7 `" mset k (k + 1)
2 ?6 o; l( H' e9 J7 `0 z]
* j6 r9 A, [1 o7 U5 R+ c# wset [local-reputation] of myself (local)
. V! u& f2 y- y6 V7 Z7 M! J( Lend) U% w% f ?% d( Z3 N2 g. [
6 G n1 C4 O! ]to update-neighbor-total
% p6 l3 _. c5 v& U% I+ [( H+ Z- h, \: Z" W' t5 c+ ]
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 }+ Z! ~4 g! T! {$ U E
! ^4 g/ k7 `, o. w# r
2 u5 Z9 U$ `5 _7 ~8 _( hend# I" r" m/ s. Q0 F) M. W5 |
" s- K( f- g! T) v' H6 zto update-credibility-ijl
4 O0 x) Q" s. u) u
+ n d, t) a" I3 J8 K" [7 W2 \, H;;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。
9 J' r6 d h! _let l 0
) @3 p Y1 j7 Q; c7 v- @ xwhile[ l < people ]. {8 d5 q, T) d
;;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! v& M: g- c2 [7 S4 B7 z0 `
[
: r/ q; }- X9 k7 elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 R$ u/ |1 p& N) u# y
if (trade-record-one-j-l-len > 3)
8 a5 G, W0 F1 R/ ?) o7 }: w6 s[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-one0 N q- i' X! F
let i 3' s+ _+ u: ^, @/ k) M4 J( f
let sum-time 0; q3 G" A5 m- F/ `# z% L9 C* V
while[i < trade-record-one-len]
! w% }, S+ q0 P! y1 E[
# f0 Y8 `" u6 Uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- S8 m6 S% X( d
set i
0 T- x. B. o2 I% l3 v; Z6 c0 U( i + 1)
( r' T4 R/ w8 e o& n( I]
9 I$ k r: [, M" c1 dlet credibility-i-j-l 0
6 y7 R! z% C" T) b& x- g7 p7 c1 H;;i评价(j对jl的评价)
: c+ A5 Q1 M+ M1 C8 elet j 3
0 q- h% c7 J; a7 S& x) Tlet k 4. A2 L( w" [1 r; A* V- [" H2 K
while[j < trade-record-one-len], Y" `" v& [+ d5 Z2 H
[
+ {- m/ C$ ~- \8 U$ U6 v1 b: a' Z, 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& h+ W. l) E- H, K( [9 u6 ~
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)& U9 X$ g) I( \" i
set j# C# X. \! n# W4 I$ B+ d# ?/ C
( j + 1)
7 s. Q: C A; W$ B: ]]& c O) f+ H) n* A
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 )). Y+ I" L) J5 a0 a$ I; x5 d L- k5 _
% f' {5 B8 \+ {0 Z* R
1 C$ E3 V' @" D H% s: P
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); j o; w, x5 E2 }# X# o
;;及时更新i对l的评价质量的评价' W+ q! H6 O+ ]: r' H; @
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ k1 n7 L. P* v9 q! ^) B' Oset l (l + 1)
1 M3 E) o9 ?. p3 M* u; T q]
. e& x! i4 o" h' Iend! A1 K: {" g3 d& m. i
9 h% J+ V, I7 uto update-credibility-list" c& U [6 ?2 {" O% e% M
let i 0% p0 Q. f; s W! o7 L m+ B
while[i < people]
`& j, B9 ~8 P: s7 W' R[0 j$ D: V0 g z3 d' H( @; z3 @
let j 0
9 x% J9 u" ]. L$ m8 |7 t" `: Qlet note 0( s2 S( x1 i$ ?6 I
let k 0/ u$ N4 w* ~% b: B3 V
;;计作出过评价的邻居节点的数目2 C: S3 ~. x# K+ h
while[j < people]8 B' j( l9 N4 P. N- z
[
# h6 u4 W/ K, A |if (item j( [credibility] of turtle (i + 1)) != -1)
7 P- _1 e" m8 G% u; y E$ D: ^;;判断是否给本turtle的评价质量做出过评价的节点
* t( g0 |" h4 Z' E$ a: Q `- m+ x# W9 x[set note (note + item j ([credibility]of turtle (i + 1)))
5 j- K7 x E; }7 S% Y;;*(exp (-(people - 2)))/(people - 2))]6 _+ G/ J7 e% T7 c
set k (k + 1)
4 D1 ~( O2 C- W% x! ~, Q) j% ]]
* c* ^# x& E2 Z( U- Jset j (j + 1)
" J; k( I+ n8 |: A]
6 @9 i; q5 Z- R1 q" g! H$ [set note (note *(exp (- (1 / k)))/ k)
& `+ D/ }5 Q. p( V4 r- Pset credibility-list (replace-item i credibility-list note)
" J2 v1 G. `) a) U* D" n7 K7 Gset i (i + 1)
- N0 v# h+ K1 `# @8 k8 b]
# A0 u8 K, M1 a) X2 `6 T! ~end, E% \- c6 g% y1 F, R' b/ S* G# H- V
- _* P6 e# ]7 @* |0 sto update-global-reputation-list
; p9 F: M: a$ S% K: \+ `" elet j 0# T8 `4 k/ _& n: Q" E& y
while[j < people]
$ q* A' n/ ?5 ?# g; j& R8 S. a[
7 a% f5 k$ ?- N7 A* }% `let new 0
, t; U1 W" p$ Q* Q d* d, @: R;;暂存新的一个全局声誉
" w; i6 U+ H2 k1 vlet i 0
0 y4 F# f( ?# P: z; {let sum-money 07 i1 r/ ?- z! B/ [
let credibility-money 0
* c. @$ \2 T6 D F, s/ Owhile [i < people]/ r* w6 C9 K8 y* N `2 B
[
. r$ P4 g& c! _2 \set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); ~) N; L* L7 k. n8 [$ y' s- |3 F) r# D
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( p7 x# ~/ m1 \: W9 U, `6 v& w( Bset i (i + 1)
1 W" t# ` j( p9 C]
. f; Z$ ~3 F! [7 g8 O+ u" R6 x! Alet k 0. J' ?) |' L. V' |
let new1 0$ ~& n, p. ^, r5 t5 c
while [k < people]9 {4 n* x( }0 H9 E
[$ a0 ?: \( l G' M5 e3 x
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)7 w- h. M8 J6 M
set k (k + 1)
- S& Q) _# F# b. p1 [' P# k0 ?]
0 C( {3 }& [2 _$ S' h2 n$ m2 cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
) l: z2 E, _/ N! P! qset global-reputation-list (replace-item j global-reputation-list new)
6 y! y- W9 b- oset j (j + 1)) O. m4 R! ^# i* c. {
]* o' w# V& `' n
end# ?4 e3 K, z' F- R7 _
0 f+ t1 A- y# ?5 q; E/ t% J; e# ]& x4 {: u- T
$ D* L1 \* f- `& |- Q; vto get-color8 L* ~# x s0 G8 s/ V) _8 c9 R
/ \, b* e4 P7 Pset color blue
7 h4 g% Y% u& \7 P& w* hend
1 Q) X* f7 [: B4 E% f/ J- D
* Y) z5 {( f; ?8 ^to poll-class7 s+ y6 T; X% }% B; G v
end
3 f* j5 n$ l4 |. c) P
. x8 U& l8 }$ B5 K5 C( ]to setup-plot1$ `, ~3 b. X# m, j9 S$ p0 d# R
5 _' b: q, ~ _$ V. W# b
set-current-plot "Trends-of-Local-reputation"- I: p( j4 Z8 W( ~
1 R- z" e# O- u
set-plot-x-range 0 xmax
& R5 N. V0 L+ p; I+ U z* g& z+ Y- `( q& s+ g. _: C
set-plot-y-range 0.0 ymax! y1 H1 f6 K- ~/ S; s
end* d( Z6 S' K, Y- _0 o
& Z$ u& E" d; y5 A: X6 X" kto setup-plot25 @2 T Z+ ^( b/ ~
6 n, Z9 V* o6 {/ ?/ [- yset-current-plot "Trends-of-global-reputation"1 i! ^ v4 }1 a- G
: t7 ~6 {& z! U8 c( W* l
set-plot-x-range 0 xmax
' I2 M8 o. s- s9 c! |( M
/ G+ k+ n# T, Kset-plot-y-range 0.0 ymax1 v: K _7 A8 T8 I3 T& y) _/ F
end- ~8 }- A( \2 R% ^5 C0 I
' ~& \$ @6 c v# c
to setup-plot3
. @0 S) e0 C6 `3 e8 L- M& O. C b" l7 L' Q
set-current-plot "Trends-of-credibility"' w9 g6 _$ w8 K& q
7 q1 {% P1 |# A7 h
set-plot-x-range 0 xmax3 y0 h2 o4 G6 z
; b0 G0 ?# n2 x& r! e bset-plot-y-range 0.0 ymax' l Z R9 }4 o/ Z' C7 j; t- P
end1 h+ f6 V2 f: ]0 p5 e4 W P
* `+ [- C. C" W& ?to do-plots) d) e3 U6 { @" s
set-current-plot "Trends-of-Local-reputation") y2 l+ p) ?9 r7 C6 P
set-current-plot-pen "Honest service"
6 c& K% b7 S' h& Jend; a6 r" H% U/ e7 X# ?; j- k1 W4 f7 c
, e9 ]# O# G7 L/ Q( T7 o6 H: E
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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