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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
% I, K s% D, `globals[4 o% T7 G5 q% m/ `; F7 o* h, o0 O
xmax4 c' U: @7 _! G3 Z" K
ymax" D$ N/ _! E! ]# `: n
global-reputation-list
- l2 [+ k; J4 [2 K
- N1 t% T0 s3 } H9 P8 f6 `;;每一个turtle的全局声誉都存在此LIST中
, r0 w7 u+ o1 ~7 i8 Y; u8 S# Ycredibility-list+ F2 v$ b# {- C8 a+ u: }. J
;;每一个turtle的评价可信度' R6 ~5 ?, D5 P
honest-service0 T+ W8 C$ O% E) \
unhonest-service
. e8 f6 o" M5 _; W& Q! j3 _oscillation
1 _* _6 G. g/ I4 V6 Zrand-dynamic
$ o, V7 V1 H: u( z; o]% _0 [2 P" `7 ?3 E4 I
6 L1 Q; w$ T2 v$ _7 e+ I9 q
turtles-own[9 r0 E7 d6 I) R$ o$ E$ S
trade-record-all
# f- Y! `0 [! v) Y& o;;a list of lists,由trade-record-one组成
4 f- X, {1 m7 q4 W6 i* ]trade-record-one% n3 w5 ?( V# i& K
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, j1 \! O5 g# R/ g; K! t
) Y8 y V+ F( L) F; Y$ O0 h;;[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]] l* Q. R- }2 P E, ` V$ y
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]
6 ]) i8 e+ p7 s* Y+ l% 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$ Q H. o, [! U: {3 v2 A" N
neighbor-total
$ s, w- T; T% [; Q; P5 o' p: W+ b;;记录该turtle的邻居节点的数目
+ N4 J e1 c) p7 j3 y0 _/ Mtrade-time
: T' O- Y+ e, A;;当前发生交易的turtle的交易时间
; }9 y6 i/ S8 w! oappraise-give
& B6 G9 T9 y" f;;当前发生交易时给出的评价$ o0 d" q- w" H0 P3 B1 Y7 J' h, h
appraise-receive# q' t4 q- X& b h7 |
;;当前发生交易时收到的评价
+ _5 d# F, e2 c0 s2 Sappraise-time. G- I" O `. G% D$ b0 q/ U
;;当前发生交易时的评价时间
+ |$ v! }3 [% j7 Z& Olocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
: p. M- I+ W2 }6 h5 Wtrade-times-total
; C* I Q, f4 Y- v2 Z9 E;;与当前turtle的交易总次数: }; L* ^% F E% `; m( I4 y
trade-money-total. P+ t* a; ~! }9 W3 i* d6 V* }4 L
;;与当前turtle的交易总金额( H! K3 h$ _ B; ^: | f1 f
local-reputation
, L$ I# A% h, Fglobal-reputation
7 E6 h* ]9 C1 d! Ncredibility
O. b, z1 q4 C7 _;;评价可信度,每次交易后都需要更新
) X8 _& z$ z) `) b/ E( [credibility-all
0 Z) S9 J8 F% l3 Y' k, H7 ];;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 |0 }0 E0 d* r7 z) a! u2 c R! T" l, _( M) O
;;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: C, {3 K& {( P
credibility-one/ Y V. k( }5 ^$ @4 n! l# c- G
;;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 m7 `2 u6 ^) b/ g! oglobal-proportion
% f2 M; U& \( k7 z6 r+ ^customer
0 F f' i& F) Kcustomer-no9 X) k+ B, y' V5 V- i1 F! s- S
trust-ok5 L+ ~& Q( B/ O( Y& [ }, n
trade-record-one-len;;trade-record-one的长度2 p/ I' j) @- [$ N
]
# w# H! @. M+ n) l$ T- X7 X' S* Z3 [ f* \ {
;;setup procedure9 C) W* d! W7 u, W5 ]" m- N
" f" G# z* F& Xto setup
0 [7 V( `4 }/ d1 O& W+ T( x9 C+ ~& c7 G. A
ca) x" X9 e% c5 e ^+ Z% P
1 v) e$ v7 f- B+ M& E2 Minitialize-settings5 c4 u$ O7 _" a E
. m3 ~0 w! x" X9 p# |! l. @: }' N. Lcrt people [setup-turtles]. \& y6 w! N$ ]
3 ?0 N, z$ l: a& N& s" X3 ?
reset-timer
# u! e; C- ~. L) z2 @' C* y/ z5 O
poll-class+ J2 g0 p6 k, O: w$ J
( b8 i( H* y" U0 H5 g/ |3 fsetup-plots
7 P$ @% J5 Y- y$ W. v4 A4 f* Y% }; e1 a5 A' _4 W; O1 O- F9 J: R* N1 G
do-plots
0 @+ K t3 a. { j# S3 Qend% p: ?% ?' }' N1 a
/ r' `# y, K7 d) W, a @to initialize-settings- h/ }( d; G4 ?( }" ~" t
% J; u% L% ^3 `7 gset global-reputation-list []
! ^+ ?- I+ q) j5 l, ?+ J( O( z9 n! R2 a2 u
set credibility-list n-values people [0.5]
: {- _" G# l! _2 {0 w
r" _, X6 s6 D: F( |8 pset honest-service 0$ f- K" d* b/ k
* k$ I# n7 b2 \2 E
set unhonest-service 0; w* l, j3 `( w& w
2 H* Y, a9 `! k- hset oscillation 0
/ C& y* E$ D) |' d k9 L3 h. ?8 v5 a
set rand-dynamic 03 }) u- w0 J/ b' N/ Q
end" e) _7 I- ?) m. _3 [) K2 F! m
5 n) Y/ c, f. h- _1 b! T# U# ]
to setup-turtles 0 J% i# I, A& e$ N( U! _
set shape "person"
# _+ B* H& |7 d C& q' }setxy random-xcor random-ycor
3 x Q p$ E) A/ E9 u( {/ S/ _set trade-record-one []
8 Q& c2 i$ J2 J% [4 J" @# a" O4 Z1 U: y. S! U
set trade-record-all n-values people [(list (? + 1) 0 0)]
8 q$ Q7 K U7 ^2 B. ?" N' Y+ k, l s
set trade-record-current []: P; \4 L4 W3 w8 _
set credibility-receive []5 S5 g3 K6 \$ s. w* }1 [
set local-reputation 0.5
6 U2 r* x' d4 ~2 l* d Q. e, E9 Uset neighbor-total 04 ?( p" a! S. K O( C, m
set trade-times-total 0/ ?% `9 O! K, x$ z! }' e0 x
set trade-money-total 0
& S; K! X( d1 g( Eset customer nobody
! Y, a& w* B& }1 @1 j6 _1 t( X1 kset credibility-all n-values people [creat-credibility]
; x7 E9 ~3 L/ y6 C3 hset credibility n-values people [-1]
1 P, M. i* n' p' Dget-color( r: X0 s1 r! M( [& U3 |+ g1 S
9 I& w2 k1 `; t# z8 \4 ?$ S2 Iend
/ c7 I0 G- R5 [
9 m8 M( v% X' [1 I: q* q! T% Qto-report creat-credibility
b0 ]1 }6 ^0 o$ \' X" q1 Qreport n-values people [0.5]
' ^8 \5 U3 y. j k6 b' mend
' J& t6 L+ E, i; H' ^0 k3 t& r( s: A I
to setup-plots0 ?' P& `3 l- p8 t
: s) Y8 G2 r1 Z8 A, F: ?) X6 `) xset xmax 30* o5 o& S6 S* q# g% o8 k- z+ x" d
1 C; H8 a( | X' M# i
set ymax 1.0
+ B j: T4 g4 e; U
8 U: p s/ I# wclear-all-plots+ j8 A) W1 G# `* |% h) B0 d
: ]' [# n. I4 e# \+ @setup-plot12 H( u- v8 m% U9 ~) @ O/ V% A- [( x
9 r6 z" P. B: K6 q
setup-plot2* T+ V o z4 M2 h
: y( H2 ^. Y% G% [& U* R% m* \setup-plot3
n" L1 i1 y, d! x& Rend, M1 ^( H8 E4 J, g3 V
% v8 ~! R6 G% d& |8 y+ Q) f
;;run time procedures. R$ U% Q6 _6 j/ ~( ?9 T
+ _: g1 B2 i% B7 i7 hto go
3 Y) B* ~% l- U0 T, E9 O% j, O' p7 Z3 n/ j
ask turtles [do-business]4 e2 w( d1 T0 g! k( T+ ~
end- Z- D" A5 U$ F9 ^+ J& F0 |
3 c! v! A: K: X, ]to do-business 2 _. r6 z ^: p: \
1 `' h2 j& z3 Z3 ~9 i; R# |4 |* R S
rt random 360: d8 U. d" d# L, ^
0 P8 r9 L. M w" s- `fd 1" b3 }; d! t- J# x4 c* {) n" V
) E- l$ [- o* o# D9 [9 h
ifelse(other turtles-here != nobody)[/ V( s# P' `% ~ r, p, r
* r! M! s; c& z% }7 |set customer one-of other turtles-here
! o9 |; R) Q( r& |! l0 ~7 b' U" F0 B' V0 A1 E/ a
;; set [customer] of customer myself# e+ r% {( L. t+ z; [
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set [trade-record-one] of self item (([who] of customer) - 1)) [0 p6 J" N# T, \
[trade-record-all]of self3 S8 u* h3 r) P8 y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ I4 m% {0 I; n+ M2 a2 y
; U* ]; Q8 w p* L- Y8 uset [trade-record-one] of customer item (([who] of self) - 1), Y+ s0 ~6 k9 M4 @3 [1 \
[trade-record-all]of customer
9 h2 @" L+ ]& f d4 w( o4 y- [- A5 p. u
set [trade-record-one-len] of self length [trade-record-one] of self
" s$ {" F5 B* V0 x& }1 t/ w$ Z$ V, S
set trade-record-current( list (timer) (random money-upper-limit))
5 {& h; f. b2 m& l: Q# i$ u4 z) {# `. e$ ~' Z
ask self [do-trust]
: i2 Q( Q6 |/ J;;先求i对j的信任度* C+ K; d3 x) Y, n) l
- }! o5 V; X/ Z4 Y; s3 _if ([trust-ok] of self)
2 o8 y! x! P) d( o( B;;根据i对j的信任度来决定是否与j进行交易[ `! X5 l- j2 Y5 l7 X7 R: T4 Y6 @7 M
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 o& z. y) [3 |3 Z" L2 b
: J9 j% T: v) t6 \+ f[5 [3 e) J) K& `1 @6 i# C: j+ `( w
' B" H1 c) G" r& f
do-trade
3 H. ~7 A& |8 ?: H2 z0 N; `7 r( x7 o) [6 [
update-credibility-ijl- o" [. e( H8 a1 e; p
5 `8 S7 M5 k/ _1 v1 {# d# u& \3 Supdate-credibility-list
6 P/ _+ b' {5 V* ]
2 D3 ]0 n! ~: j6 ~* g3 J
, B& q! X' p: H# _, b8 @update-global-reputation-list
( |, l" d" ?# n) N+ ^5 D) S6 [
7 N3 `& j& ^5 {2 V7 R. r6 Ppoll-class
3 b6 A1 Z( O) B' h: P; M/ D4 U6 o6 T
get-color
( h( r2 [/ B4 f5 h+ H$ e+ H5 z( \! u1 o
]]
; G! \) X9 v" L) V& l% M8 c% @0 z
8 W7 e) K. C% _0 y2 C; @ M;;如果所得的信任度满足条件,则进行交易
@* Z o7 L5 V( t7 S) t) x$ r. Q2 ^! w6 L6 P1 M8 m
[" H' G: `- s, O( ?
4 P5 A& A& o* @ Z# D, M. ]& N% c
rt random 3600 ` Z/ z- F, i0 ]: U; O! @
7 |0 d% Z3 ?6 S6 M4 o7 wfd 16 ]2 d9 [2 m9 g. x' i8 X
) H' m- s& ~, y" y2 W/ h5 G1 w]
& i; }" H: Q+ V
?% x$ `$ n/ ^) G) K7 w7 Xend
$ b1 a& }1 ]4 _# L! ]4 T+ _( H
1 m/ p- k) M ^9 Vto do-trust 5 ~' O b; h( [
set trust-ok False
) B8 v2 _! D7 R @; O$ Z3 W4 p+ h+ _$ `( B
2 H- q5 P+ @; hlet max-trade-times 0
+ S+ l& B5 D( O$ u; @ fforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
. D, O0 v5 G; w3 V: q4 U5 Ilet max-trade-money 0: P& v3 ]$ \$ s4 K- I% _! V
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 ~! e" ^$ N. Z* p! P- X
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( M6 I6 T l0 |( G0 A) j1 g M. C! ?
: H/ s. p6 l9 `; c8 V) O2 O
get-global-proportion6 t. X V [4 o
let trust-value
" u g9 D# _5 v3 Flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 z* v# V, k* A# J w# U6 Kif(trust-value > trade-trust-value)+ B% r4 q. M2 C
[set trust-ok true]
. @0 `4 f2 I N" L% hend
' [2 p; b8 t# Q4 c8 O1 U1 D( O, p+ M( j' K
to get-global-proportion7 D& V5 Q# N7 x
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 A9 B: a" D5 p* ]4 H8 Z, c[set global-proportion 0]2 ^/ r+ d& y, z/ B4 r3 v; B5 y3 W
[let i 01 t& g1 {4 B s) W
let sum-money 01 @% A9 W. R0 E
while[ i < people]
$ v& S) B ]9 X2 _, T: J3 O4 _[
5 R& ]4 |: K; {* E+ p+ vif( length (item i
5 w5 x9 V& a# \# o[trade-record-all] of customer) > 3 )
' B: d3 [0 N* V3 R- x# f5 x[
`* ?: U* T$ ~+ oset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; Q* z1 i0 c! `]
i/ ~( l# o: C; w& a$ b `]9 {" A/ ?2 ^" N! U
let j 0
5 f1 l! i: n) b& ulet note 0# L. C7 t# n, F: y, I
while[ j < people]
|! j/ G" }& r4 E5 \# _[
$ F8 v4 e2 O: ^6 R3 I9 g. bif( length (item i
/ f$ k5 {: w" s. z0 m) e1 r[trade-record-all] of customer) > 3 )( T6 e0 c7 \3 X2 ~4 K# b! F
[ E: r l8 z8 l g/ U
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 N4 \2 t2 ^$ q5 x3 R" J
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 \8 t O/ `( v* e2 @
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ k0 h B8 t* ]. R ^: |]
& }$ x2 [- O7 l7 ~! U- j! o& v" v]. ?- s, f; v+ c' t0 C
set global-proportion note
7 A' {0 w4 f) W k/ r, \]
; K* |6 j) E) @0 ^; J k3 h5 \7 N$ zend
# T6 M$ G9 E7 E! F. [
7 ~) V2 g- @* Y& F' _* b+ M7 tto do-trade
- `0 n/ M( g2 {# d$ u5 \. q: \2 E;;这个过程实际上是给双方作出评价的过程) C2 g/ n( ~1 Z4 n8 }
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
w, _- P: v) ?5 G- r, z: J; [6 {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 r2 v4 i' c8 V- W* }
set trade-record-current lput(timer) trade-record-current
* ^/ o3 L+ w4 E' [* s;;评价时间/ u* O+ ?+ i- U$ H) K
ask myself [6 w/ C5 X M" ?' |
update-local-reputation
& b# ~7 R, A' G0 a+ I4 q7 Yset trade-record-current lput([local-reputation] of myself) trade-record-current0 n7 [6 [0 G7 f( q9 q7 |+ `( e3 T: p2 H
]
# v* V& K6 d/ k [set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 m$ ]- d1 e+ I( H+ \% J;;将此次交易的记录加入到trade-record-one中' g9 B: o7 W9 t9 ]
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 J; ]3 c8 ?- o9 p! V1 l( E; X
let note (item 2 trade-record-current )) w1 z' Z: `4 H1 ~8 o( ?
set trade-record-current
' w6 P& X6 | }. W, Y(replace-item 2 trade-record-current (item 3 trade-record-current))5 ~( M6 }) \( D. e7 l
set trade-record-current
% C5 {9 M( k, c4 G$ f5 Y(replace-item 3 trade-record-current note) D! V) C1 U- p6 }* f
2 R' e5 y" m) _
) V- C! l; n' x C
ask customer [9 {3 e: B; P2 p2 i" f2 N
update-local-reputation
, n, B1 V/ [; V7 y: Iset trade-record-current" {, d6 |5 w# o
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * d9 k8 v7 [( b' k; ]) M% w
]
0 S1 p. G7 Y8 y M
- I- ^8 c9 k) s% E: h# c& X w
$ `! n/ v0 A/ k4 v& Pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ ?) I4 i" o! u8 o7 E h
+ g. @, S& L, i! \7 }set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 e1 |( [' b- z3 Z8 U. P
;;将此次交易的记录加入到customer的trade-record-all中! N6 \5 X" z1 H: y3 I8 r
end
/ M( \1 j8 U8 \! G3 h
7 }) D/ r* ~) B. ?# M( B% bto update-local-reputation/ w$ [5 \1 J% Q6 \# J
set [trade-record-one-len] of myself length [trade-record-one] of myself. e9 p4 }3 v. X1 z; S
/ _3 {: Z; ?! m. C% U' G4 K5 L
; N t3 W/ j2 D& h( b6 M;;if [trade-record-one-len] of myself > 3
2 B& U+ z6 V+ w6 _update-neighbor-total: X9 P: S6 {) l) m( `) C
;;更新邻居节点的数目,在此进行% B& i0 J) a1 h7 C+ w! O1 @; F
let i 3
4 v! N6 a* g7 g4 c0 H2 p0 glet sum-time 0
9 H x2 `6 B: u. a4 rwhile[i < [trade-record-one-len] of myself]
5 ~6 B! Z8 i8 \" W[) U4 ]; ]& l& m7 _
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): q5 a9 p* x" z
set i) x! k$ M5 X& M/ ?9 x* v
( i + 1)
; Y: k. w& Y$ v, G+ p! q2 x]
9 y' |" k4 N" }" O0 m: @1 nlet j 3' \# C& t5 I4 @* L; ]! F( \
let sum-money 0$ I* ?5 G2 h( Y5 Q: u' j
while[j < [trade-record-one-len] of myself]* K1 p3 Q+ a+ c$ x
[* r5 O8 X' G( \8 [8 t: c" e, E
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)) @/ [( E' E- a5 ?- j
set j
) o) @+ E( Q# B5 @. l( j + 1)
9 @' l5 e0 z$ @. f1 M- n]
# l3 ^! O5 f2 m3 @) F7 qlet k 3; C& t1 E/ T1 e& u2 P5 L
let power 0/ Z2 F3 g0 ^2 v% ?/ C7 u
let local 05 d4 N; ^9 a/ F8 G
while [k <[trade-record-one-len] of myself]
' |9 `7 l* Q1 ], h: O3 I[
% M% Z4 B7 }3 Z- \- y; e# E! mset 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) + v: M5 y# r2 J& a! J
set k (k + 1)
2 D. M( Z7 y1 |" b- d3 A]
- ~( R) a7 z& A6 D( d) n6 ^. @set [local-reputation] of myself (local)0 m7 W! K; D5 Y$ V" k
end6 [. Z+ m( ]3 c) J- \, X
9 E }! A1 z$ |& b) T# z3 Q+ L. k
to update-neighbor-total
# i4 l/ l. [, l. J V& b i' C) M* q" _% l( L/ }
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 e7 p6 J' n$ r0 z: x P
; K7 y0 g* ^& U% D2 h) e6 h% ~8 B! b8 L+ ^4 b; H
end
$ [ B, P8 H$ Z: z* ?, e8 W. e$ I' [( i" l' ? N
to update-credibility-ijl
% n& ]0 K4 _0 ~) `, R j
1 {. t$ H2 q; E) M9 I;;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。
+ C" I" N/ m, E* e- A" b( Olet l 0
8 w" O u- @& X1 u" R! n; z8 O) \while[ l < people ]5 N8 ^- e: G0 F( B4 K/ }/ }/ f( ]
;;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# n U, g$ p, b' U& |% e* m
[" P2 I, ]2 m( P! ~5 ?+ l
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 O8 A8 l5 T$ Y$ S0 S L
if (trade-record-one-j-l-len > 3)% v) c( z! Q% l# V; G/ k
[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# ~3 i+ W _
let i 3& P9 C* r4 B( h9 t! d; ?6 Y
let sum-time 0
8 i( `2 y4 ? w9 |% Awhile[i < trade-record-one-len]( @+ m: F$ y7 ~; m
[
# V- d5 \$ d1 M' h7 k9 sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ): E3 p; Z1 r( z' q- W
set i# t- K( p# q4 |. q
( i + 1)
0 y+ o$ i" _" {]; i0 {2 D( s5 t" o
let credibility-i-j-l 05 P/ S$ G$ p2 z2 }& F. b9 _. ~: t
;;i评价(j对jl的评价)
& A/ g }7 I! M9 U: B- _let j 3
3 m! y [* Y1 I4 u+ G4 `5 ` J) ^+ nlet k 4
% u/ I# V8 f8 c: \, i( O; a" ~5 z* `while[j < trade-record-one-len]
! d3 x5 Y* I; I2 N; n[9 I6 n( c* r, J/ S s
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
% F9 u$ X' B: f* d8 ?; c d( T# lset 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)
) O1 l0 T& X- g0 tset j$ ~6 M; x* {: U( r' z; d5 x( i
( j + 1)' | b* }- S! u( A" I$ H
]& \: }: `* e/ t/ z. X1 m" w1 p
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 A, c5 v2 s& S* U( d; P
0 p2 c }% N, _/ G/ J2 S8 ~1 x3 b" d7 |7 C: G. k9 S; X( O
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 U0 F. K+ W: ]! p. z0 d0 V, c3 R% j) H;;及时更新i对l的评价质量的评价* \/ t- s. j5 |; s6 O/ Y& x3 Z
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ ~. O4 n5 B! W$ ?
set l (l + 1)( p% _) o0 J+ f+ h( T
]
: n) A1 k ]* N, K" g5 X9 d+ zend
6 ] D& \+ _( t# m
4 q, q% b* H! p x& W6 |to update-credibility-list
, ^$ T$ r( G9 B& k$ v# ulet i 0
, X: v9 A% L1 Z9 \7 D9 J" Vwhile[i < people], ~% ~& A& ]$ B/ a+ ?* D' O
[
3 h0 \# h' K( jlet j 0' f" `6 I: q# g
let note 0& O% I4 g3 \ \) t z* V7 l
let k 00 K% f' B& v4 E3 B" |' o
;;计作出过评价的邻居节点的数目
" t& C1 l" l& `1 K/ ] }, Z. Rwhile[j < people]5 U m) j) T5 t+ ^
[
9 W0 K9 ^; A0 L& Tif (item j( [credibility] of turtle (i + 1)) != -1)2 y3 g. `* b9 J" x( [ o \
;;判断是否给本turtle的评价质量做出过评价的节点
7 z3 o7 }9 q! v+ l7 m9 @[set note (note + item j ([credibility]of turtle (i + 1)))
4 _# n; b' A% V$ ], [& K- B( Y;;*(exp (-(people - 2)))/(people - 2))]/ H B6 l2 g) u* f
set k (k + 1)
7 e, B k* F' ~: j' z" m5 W]: d; G. r1 a$ ]! G0 [& O2 ]
set j (j + 1)# p& X7 m: [. L7 F$ |7 o" O( P
]
( X" R5 z5 g, y% c! S5 u% V' [9 qset note (note *(exp (- (1 / k)))/ k)4 k" n X" y( z3 w3 H" h4 u, m& N! a% J5 J
set credibility-list (replace-item i credibility-list note)
, W% S7 c1 a4 e: mset i (i + 1)/ E$ `9 V+ R& Q
]
7 i+ V" q7 @% ? Hend7 C9 g) X0 v# p2 D) E+ w% c
, z# Z$ [# B* o* O2 T/ Y7 u/ Kto update-global-reputation-list' K* B2 T# z: I9 n0 N
let j 02 C: L) ?7 B! w+ W3 i8 k
while[j < people], m6 P1 t4 p0 g
[; g3 S# ?+ v) s- ?% r
let new 0
, p1 ~% B7 `$ c# m* I;;暂存新的一个全局声誉
1 `# e9 F6 A& n8 Z( D' `# Wlet i 0
' T1 G2 q0 B- N$ Glet sum-money 0. |5 h. f/ V6 @6 t
let credibility-money 0
' o& k' x1 n7 I& X8 h" gwhile [i < people]
8 q- V. P" e, @, o% b7 W[: q$ h8 E1 g+ R# s* {0 y
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 ~0 C5 S4 M4 Xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! Z2 D9 l4 N2 P/ n6 v5 `% Eset i (i + 1)
0 O$ I! [& e6 Z1 X& a]
+ \) z9 Q0 F! L- e- a# q& blet k 0
8 w' x) `2 I- _" I8 M% E5 Hlet new1 0, R, C) ~' V; S
while [k < people]+ S9 G' f9 e/ P5 m( I
[
8 }' K7 U4 p4 t7 }; o6 Cset 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)
' S4 L1 z x8 d4 U( N) Xset k (k + 1). T$ L. u, o$ b p) n
]
6 A! e. q1 \4 u% j3 s. K3 s0 Iset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
C, g. z* p: ^set global-reputation-list (replace-item j global-reputation-list new)6 X# I6 @% ^( i' A% S2 Y N
set j (j + 1)( l" w1 x) J" X/ w) H7 [+ L
]4 L& A% J* ?. z
end9 R) `% L: Q) Q5 P9 o* ^: V
9 n/ D, k; B* `. k0 \' `; T
; {) f) ?/ ^: d% j+ v3 d3 |) |" i+ H% n' P1 P! o
to get-color
R% c* T5 v; M* H6 S2 s' ]4 z( w; ^$ b
set color blue B6 `& X3 |8 L% v9 ~ s9 ~
end
% K/ G9 s* _/ m2 w8 w" p$ `& X# B0 j1 S3 L8 o9 v( e/ g
to poll-class8 ~/ D* B8 `9 o% W" N: W1 P
end
8 ]* ~! L8 C( p' l$ K6 y: r, y5 }( ]9 Z
to setup-plot1
% c3 h! n4 f. U: _) S. D4 |- A# f9 T1 W: v, ?
set-current-plot "Trends-of-Local-reputation"
7 ~8 h: {% I3 y- ?6 H- _
2 |+ E4 }7 B' e5 l6 {2 iset-plot-x-range 0 xmax# k: U& K9 L# U6 X
5 `% x9 Z* I3 @4 x1 a; F1 ]
set-plot-y-range 0.0 ymax$ E7 N$ t* C8 H) S
end
8 q& ~ v# l0 V$ T& i* k, W- f
+ q* z0 [2 d! B6 cto setup-plot24 W, U6 L7 [% g1 N4 ^
7 p! f0 f" L/ e5 F5 k. h Mset-current-plot "Trends-of-global-reputation"6 N/ R3 ?" E! y* ?+ u
; ]' W% D5 o K, y5 e
set-plot-x-range 0 xmax% b( z" B6 n( J
, Y% X3 i* v) b! b0 l pset-plot-y-range 0.0 ymax4 S! l& o* n0 K, `
end" P7 J6 E9 {/ y
; F! T5 x* |8 hto setup-plot3
) Y/ C |9 N# S+ c. C* B% X P$ E# g
set-current-plot "Trends-of-credibility"
! p4 L f( H' F) P {1 [' \' W" g1 ~1 m& B" H1 R# [
set-plot-x-range 0 xmax
4 Z G4 H6 _2 ^, j+ _* l5 E% r* G; o" C1 Q1 X
set-plot-y-range 0.0 ymax
. P7 `: [! U7 b& b4 r, cend. t2 i5 @6 x( U9 N
0 T+ f8 t/ ~( G) J
to do-plots: H/ k) ?1 d/ D
set-current-plot "Trends-of-Local-reputation"
0 d0 O4 p0 m' X" f7 mset-current-plot-pen "Honest service"
: k# z v, k+ V, Yend
; \* g8 b4 {$ d/ c+ o( I+ r+ u# }) F _9 |3 y, G. F( P
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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