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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
8 e5 S" C' |& y) T: u: |; Cglobals[% ~9 y3 f$ s. f& t7 y! h7 L
xmax
$ _3 R# G2 n: V, V9 Hymax9 C4 M+ r; p3 u
global-reputation-list
' d9 R& n, H- y- {2 v7 z4 Y, o% m2 f$ C! Y
;;每一个turtle的全局声誉都存在此LIST中# n9 `6 q. ?/ I5 U
credibility-list& Y1 E. L6 D: q3 [: y8 O
;;每一个turtle的评价可信度* _: c( P. Y+ Y6 g" G" X
honest-service
" S# K6 c! U6 ~3 x, F2 f+ [unhonest-service) j. Q5 r7 O* D2 J/ @
oscillation
r. h5 `7 e. d% i$ `rand-dynamic
$ m" r$ h/ f6 F) q5 G; f+ I]% n; i% }. Q( E7 s4 s5 F: {2 @
# J( x5 k" j6 t( @) n2 q$ gturtles-own[0 k+ y5 S0 P7 \: n2 }5 p2 d5 D" r
trade-record-all* ~& G3 a4 r& {+ v
;;a list of lists,由trade-record-one组成& `7 [& p S0 f/ `4 f F, N
trade-record-one
q' q4 t. i6 j;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录! F' G+ Y2 z6 T, k# T
/ C! d9 V1 F b3 @1 s8 a0 l! ]7 Q b
;;[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]]
8 E$ d; |8 H# ctrade-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]
. G# G$ Q" @2 v, icredibility-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
. V' K& {5 l, B; Dneighbor-total7 o" z. Q' U4 E. N8 Z8 @
;;记录该turtle的邻居节点的数目! F" `+ Z8 r6 t Q
trade-time
( ^, A7 {) k F+ n+ N" I% A;;当前发生交易的turtle的交易时间, D/ v6 C4 T5 Z1 U$ g6 W: t
appraise-give% x+ U* N. W, C
;;当前发生交易时给出的评价2 {& @& ^1 m/ y
appraise-receive
, D; h- K$ `0 W2 d4 K# S$ C;;当前发生交易时收到的评价
% N. C1 w' |2 Q4 R1 vappraise-time
4 K# w' f( F! q5 Z8 m4 @;;当前发生交易时的评价时间
. }5 B* Q+ I/ w" `- y$ \local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 w0 r6 C5 y$ I$ x1 U$ qtrade-times-total* `# ^1 ?6 T( H1 I
;;与当前turtle的交易总次数* G% V7 D* y6 g' }; e* J( l
trade-money-total
/ O7 V9 s a8 j8 n+ b;;与当前turtle的交易总金额
7 B0 K# e; b# Z' b9 B3 W" v! jlocal-reputation- w. t1 Z# w: l9 L, q( ^
global-reputation5 S6 D& G4 z6 q- ^% _% i' [) ?" s( `
credibility' R/ l" ^7 s: e* r% W/ P
;;评价可信度,每次交易后都需要更新* |2 ]; ]+ w& R
credibility-all
$ I3 I5 T- e. X2 h$ a, F;;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1 B% _0 W+ T e' f
9 B/ G6 z# E) @- k) T: G;;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
$ j- V( Y% `3 S& i7 M; ^; \credibility-one: s" R. m2 u7 q* `0 @1 `
;;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
0 g, ~0 Z' Q: y" w: Hglobal-proportion& i, [' X, r) f" y
customer
5 C& Z" b% U; f+ z" ~customer-no
* \1 y6 |* t* l& K& S+ Q. {6 `trust-ok
1 s6 r3 j# i; R6 atrade-record-one-len;;trade-record-one的长度
# x7 ^/ s- a* o1 }5 P& y& N] A* y( Y/ E) n' p9 Q+ j6 N
4 e5 }6 v! H: e* U, {, ];;setup procedure
4 I4 c6 ~: D" c# h' Z2 f+ A' \9 b6 A
to setup
/ G/ [8 [$ @+ a
' r4 K3 R- x6 O6 h( yca
1 E8 H% l( d! t7 @# j: ^$ o& u' O" f7 t" g1 m `
initialize-settings
( }/ O; L+ m: `, K6 M
% g) d& U) ~% o6 `3 }7 acrt people [setup-turtles]
, A$ }3 M5 j( ?* u D' m
n: m3 e5 T. h6 z' Ireset-timer
R7 v' C0 c9 W5 E. K# b8 U! ]9 l
- O3 B3 g9 t: ^* _5 Spoll-class
& k Z& {& d4 D* |, H8 ~- G4 w9 O" I
6 L/ y, \# D7 n7 a! s( V, u) L8 ssetup-plots8 \9 L ^* A* s& P5 z8 Y1 ?
$ G; Z/ ]- t: W% ?& F. |
do-plots' X( A" \- m9 b$ N
end7 z; o2 C# Z: }. q5 }* [! g
+ S4 [$ [+ i3 s4 {6 H
to initialize-settings1 Y, L/ ~$ E: r# x$ K( `2 u
. K" n: i6 p! J* r! [% z% p+ c0 Uset global-reputation-list []
8 d4 ?. R: b' x. ^
2 A, V; A1 i* l' e n( xset credibility-list n-values people [0.5]
5 H1 [5 p A0 K5 I: r" O7 V/ s# q2 u; P: `# l0 T0 {+ q" F( f
set honest-service 0
/ l' s5 V5 B. s: ~! K' @4 ~" M2 U4 J' z6 f/ `# K% H$ M) @/ H
set unhonest-service 0
1 ?2 s" i$ @, Z: ~3 t
) K2 N( v- N5 gset oscillation 0
* V4 E S0 b* i- k+ h1 `) O: T. X3 C7 L6 `8 b( }) o
set rand-dynamic 0
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4 v1 G4 J% U5 v& b& u6 Q8 e" O
to setup-turtles
; D5 u, e0 |+ e% R2 Zset shape "person"
( b V M0 k/ Wsetxy random-xcor random-ycor
& L6 m! L+ \. |3 t+ w3 i7 w/ Uset trade-record-one []2 ^! w/ w+ o1 J% c; p' `
* r! a0 D6 |% y: t1 u9 |/ x9 Y
set trade-record-all n-values people [(list (? + 1) 0 0)]
8 r# z5 l" ? G- |# ~ v) y% X/ J2 y! g
set trade-record-current []) K' R7 T: q+ k- I
set credibility-receive []8 U/ J3 k- L [8 L3 T ?+ |) k# n& @
set local-reputation 0.5
3 A' p f6 D; h/ w Q8 O, S0 x7 eset neighbor-total 0
. f( h& m+ L0 gset trade-times-total 0$ l- r' r; E' V. r! m) j+ D
set trade-money-total 0% @: J; f5 g* M) \, r$ Z
set customer nobody
e) @. q( P9 |set credibility-all n-values people [creat-credibility]: _+ l3 y1 O5 O3 `- C4 |3 t
set credibility n-values people [-1]
" f. Y0 B/ G1 U' U( Dget-color, j/ D+ y6 v% b3 C+ S
3 ~ N/ ]; n- N+ w; @; W
end
W. @& Z$ g( V# y) f! n
5 K' Z% W+ E: T: zto-report creat-credibility3 P8 s' Y: {% f$ |$ r( W
report n-values people [0.5]2 C+ P: M, D6 F5 ~
end2 u. U( w9 S# \1 \ j
( L! r) v! J2 w# i9 M9 F! q0 o9 dto setup-plots
/ Y# l; C$ H/ v, A" d1 m6 q `( t! S" L1 J Z, S9 a/ M
set xmax 309 u. b1 k: ?2 p& B
, e {, p9 |/ ?' I: wset ymax 1.0
8 [0 Z+ @' S. L
; z2 r/ C5 F( H8 v! Eclear-all-plots
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" f4 ?; ]9 `1 @2 O# esetup-plot1. G9 d8 n" v" u; |# u
) t% c2 [7 |3 u/ C4 S5 wsetup-plot2* x# N B6 ~8 a7 r# Y/ L
1 x2 u- x% C5 C. G& m4 T, s$ ~; H
setup-plot3
9 I: i% v, t! c7 i$ g) ]! {end
3 `9 Q) A! W4 T8 @/ p
2 ?8 H3 L; |' U" \4 a& o;;run time procedures C. s2 K- E1 Q- v0 M3 p
8 X7 D# M% }5 j
to go/ h1 X9 N+ D* N8 v
; F# q9 E; L( p& F yask turtles [do-business]
/ \8 E7 K* z2 s9 Fend
. F. z v: F( N& c5 s
& ?% h; Z$ R; z$ X" f+ {to do-business 1 L; V9 T8 R; R7 q6 b
; I+ v5 U; ^4 e1 I" m( i" S
: ^& t9 C( C6 l! v, b3 Ort random 360; c- K$ v0 H* L" C+ J! b
! K0 E( q" u$ k" \. j' T
fd 1
8 Q/ i+ d# C. M. p3 B4 P0 W1 w
* T8 P: Q/ e8 J8 e$ d( D% ~ifelse(other turtles-here != nobody)[
% c6 y# T2 `+ _4 {9 O# B6 x% Q' X6 E* t* v; Y2 S
set customer one-of other turtles-here5 c& C- Q4 | x% n
% ~. C+ J8 ~3 s, G7 z;; set [customer] of customer myself
. M: x' q, L) P5 ^
+ n3 Q/ S% n+ e* T4 K: U. t# hset [trade-record-one] of self item (([who] of customer) - 1)9 B4 H7 D/ B. [. q. l
[trade-record-all]of self
* S: W A8 I/ |8 W2 C8 e- D6 Y& a2 T;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; S1 m8 \$ P% M, O* a) ~, x
, k# Y0 H! ^! {" n. E( N# ?set [trade-record-one] of customer item (([who] of self) - 1)
\% j/ _/ _+ V$ m0 t4 Q! ~[trade-record-all]of customer
* V, Q0 l+ C, m& H( b7 L) N5 F: B! u4 z! T
set [trade-record-one-len] of self length [trade-record-one] of self
7 N& z! n; w% D
# k0 D& U6 Q$ N% Z/ g! Qset trade-record-current( list (timer) (random money-upper-limit))9 v8 N: v" I ]. W9 o
! D* e8 y1 j7 `0 |8 t7 ]+ a/ V: c# [! pask self [do-trust]
/ |5 m% d- O0 r* u0 \. [;;先求i对j的信任度
% v! E5 R5 H5 _" y7 x
4 M6 ^( F# L# {2 U' Q/ ~if ([trust-ok] of self)3 ?+ k/ {0 S) A( l, H
;;根据i对j的信任度来决定是否与j进行交易[8 V% V( ?7 U' i1 V: M I/ U
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; o' _, G# n2 z2 g* V$ B
2 y8 b' n0 D# J5 @- ^[
; k2 t5 F. g5 S6 A9 p$ E4 d0 a3 I( _, c& z) u- I9 `
do-trade5 s/ _3 U5 U$ [- ?& H% s. Q
+ S5 q! H, Q2 }3 u* Mupdate-credibility-ijl
, }( y2 H$ o" j
; @9 }8 H" ~! R6 Z- Y6 Iupdate-credibility-list
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3 D4 R) m2 [5 u- }7 i7 ?- _: D4 V3 U
update-global-reputation-list
4 B, e2 {2 E2 i- J; t2 A! c( z7 C- l8 A; @6 K' W7 t
poll-class, @1 d: ?% S% t" H j. c
4 h0 T% g& o& Z! d% L$ v8 rget-color
; P, Q7 ?' ~" v, b, W+ x0 s
3 g7 Z' Q( r. L, m( V) ~- r' y]]
- Z o4 Z, v5 G& Z7 W. D+ M/ e, A0 |4 @1 ]
;;如果所得的信任度满足条件,则进行交易
$ t: Y, G) H5 ~1 h# D3 y2 e S9 ]) d3 F( A: ^' d5 J
[
& ~ j: I. \6 ]4 U- }/ Y
4 G/ R- m# ?. f: V( Z, ?- mrt random 360
, W% y: k5 |* `1 |; C& x' `; G6 A8 s) }
fd 17 y* k3 x+ z* ^2 b" v, f' D
0 R7 o% F: ?" m6 j7 d
]; u, z$ p- Y3 u0 D/ W" C
, V8 x1 R+ t0 C4 o
end
! E& h0 y0 i/ _/ g3 C
$ q# a1 O. ]. M% I+ Yto do-trust y5 ^5 G. f4 Q* h
set trust-ok False
- b* C% j3 D0 s
. i" q+ Q1 K0 Q4 [- t+ {" k) c0 |
0 a) D. U9 X2 n( g: W1 p! ?let max-trade-times 0
2 O5 |; d4 W2 _, e0 G" Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]# _: X9 f* |) \( i
let max-trade-money 0
8 p& U3 Y2 v2 Fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, }- ^8 c0 S8 Slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. G2 K* }9 A% {$ Z. {2 f5 h
5 u' R$ j8 ~1 a4 a9 U2 o! ^
( d$ r; w$ x/ A$ T9 V V" `4 oget-global-proportion
& U8 k! F9 }5 C9 g1 H0 X8 U" Z+ alet trust-value% j9 l8 W* v1 R6 t# ~& \
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
% M3 i; G$ b8 f& Eif(trust-value > trade-trust-value)9 I5 F, K1 y- _
[set trust-ok true]
" o3 ?5 V5 j7 j2 ?end
, E( t+ B! K+ L/ `* b
/ Z9 f5 \5 N7 W; i( G1 Q5 Mto get-global-proportion
+ ]0 n/ O3 T b( H1 }3 u+ Eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& N% u" b0 N" Q[set global-proportion 0]
4 s. B! ~( a. j3 {[let i 0
* W! b# _, c$ ?& _$ J1 O) olet sum-money 0
, S8 i- }1 w: e' }! K5 u2 d. \while[ i < people]
; |) I, f6 T4 K, O, A1 \, ~9 r[$ ?' ]: q; v* T. e
if( length (item i
8 n" x! e! d g[trade-record-all] of customer) > 3 )5 H! D' N$ A" x y' X9 \) Y% V! y$ z$ R
[* {; P+ S' I6 ]0 w
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! x) c/ q! ?) t3 f1 l! B) ?2 G& j]
5 z% `# B7 o- F0 s% ]( u]
8 n# A) W6 [% Z5 t- olet j 0
0 I1 \/ H8 t2 n+ Clet note 04 }' ]# M/ k# [& ^! D
while[ j < people]
0 U) p) a( `# q) W7 ?+ b2 \# j[2 J2 I) J/ H. h9 C" k- w9 n
if( length (item i
" C/ j9 j* W) d" ^ N[trade-record-all] of customer) > 3 )
4 m) l0 \' _, a1 T! w4 p[% Z! e& R& e' [; Q' `" Z6 ]) R; Q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)4 e. `5 ?" Z9 a
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
* |0 n$ Q" f( r. P" o' D' f& k8 v7 Z/ h[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ F' Y4 L V0 V; Q }3 f2 [* p]! F+ V9 ?! C! H$ _5 {! K* Z
]
3 p l# d2 B, u( z( Vset global-proportion note
y% x1 V0 X) Y: `6 h. X. q. K]
8 {; v0 y0 j4 E% gend
1 u. J4 y6 a2 \$ Z. H, L
' [; Q& H2 W1 v9 X3 ~ k' m) ito do-trade4 b7 @4 v1 S4 s9 S" L8 L5 r
;;这个过程实际上是给双方作出评价的过程
% F4 F. R' \; Xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 B5 Q( S/ o v$ Y- }' i$ \9 Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 B0 N( @( c( b4 H( B/ _' yset trade-record-current lput(timer) trade-record-current
2 h" S) I% N/ m) v+ [2 P;;评价时间3 @9 B4 V; U5 C/ M/ m
ask myself [
' t$ T% d. P& |, u% P0 t, F4 x: oupdate-local-reputation
8 G1 P& T( P% h! L* J, xset trade-record-current lput([local-reputation] of myself) trade-record-current+ o8 `. @$ ]# w' G
] O. n- @9 v' O2 J1 \
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ I4 y z' A+ ^;;将此次交易的记录加入到trade-record-one中
- M8 ~7 n* p7 j7 V: k- }3 X2 Yset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 M; m1 d$ H7 ?+ V# R0 ` blet note (item 2 trade-record-current )" }* c$ B$ B; `3 m8 @
set trade-record-current
/ X) W. J h0 y6 k$ N(replace-item 2 trade-record-current (item 3 trade-record-current))
+ |4 S* I6 b/ }1 W& Uset trade-record-current
% @8 I( k7 Y. A s1 q(replace-item 3 trade-record-current note)6 x+ j9 |, o2 s- ?7 _* W! [
! Z: j9 `1 {, N8 m' t9 [8 A
. y, R- g( r+ Z6 a, Fask customer [1 I8 n& w+ f# \. E( d% C+ R
update-local-reputation# b7 e5 Z/ K% q
set trade-record-current
3 _# B4 F8 ^1 b; [(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 T5 u* V/ W1 p; h1 i]1 N# M0 A% R0 W1 x. a- @
e5 q$ A& L/ U: h9 W& O
% Y a1 \5 m- Q, w. J& R1 v: Jset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. G9 h7 ]/ t8 T: S; G: i- f
6 L' l }% O3 t% S6 }4 J
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)); O3 B& J0 n# a. J* I' V
;;将此次交易的记录加入到customer的trade-record-all中3 P3 d: ^" }1 w0 ]3 R( d* R; a
end- O1 c' j1 p5 f/ n8 S- P! {1 i
/ [, ?8 n4 O" m4 v& m* F
to update-local-reputation) Y; x( T$ \: D
set [trade-record-one-len] of myself length [trade-record-one] of myself
! }, e- [3 [& z! X4 l) _; @+ }0 U5 j5 _' f
9 I/ y. t, }* }8 `! R- W7 ~) U8 H;;if [trade-record-one-len] of myself > 3
: c3 \* r! @5 z& l3 n5 X: cupdate-neighbor-total, d0 J+ { M3 @8 P
;;更新邻居节点的数目,在此进行1 u, H. C; n$ i5 x7 s
let i 3
9 D2 D6 H" E3 clet sum-time 00 K6 i$ V( z% u: L
while[i < [trade-record-one-len] of myself], Q" h4 ?; R4 \ r7 p( A
[/ g+ Z$ E' T4 e6 i& L# R
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# o; ? C2 X% }! m8 o ~2 wset i% D; I! P% D# {8 G' S( {
( i + 1)* x8 E/ G& W( y! L/ B( y% n
]
# D4 x0 z5 M8 I. h M& Ulet j 3( f. l! s6 d* z7 `9 }8 C2 B9 }5 J
let sum-money 01 D1 l* }/ i+ Q
while[j < [trade-record-one-len] of myself]
1 R) N: D* k3 J1 H( o[3 B" Y& l& _ J7 \' X1 [9 o
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)
9 S6 x6 i% {6 gset j
: A8 H$ {5 K) {: z& g( j + 1)
' s: A# \6 Q% z7 ~! N5 ?& a# t]
7 B: u) Y$ U# ?! j: wlet k 3- f/ E' U' z% Z
let power 0" D2 Z X6 ?" T* b
let local 0
" R+ v# @& v! H5 y" a( ywhile [k <[trade-record-one-len] of myself]$ L7 q/ ~+ k4 ?& S3 y% z; U) c
[
8 l4 [8 g8 E$ D9 \4 k( k/ Kset 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) $ ~0 X O( p& J L3 E) c
set k (k + 1)
9 u4 r( ]4 t9 q1 h: r/ V]- v$ t3 o( u) x1 Q1 L4 E
set [local-reputation] of myself (local)
9 V) j" ?" {, Wend3 W- V# P* s: l
/ `# [" g1 H& h: v0 \# p% d' C0 uto update-neighbor-total2 { ]: r# P& d
6 a# u; t; _ \# n+ d$ k: ~if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 b0 m) S6 {! q8 g& A- G6 \
) ^, N, T A. L& t% R( K
/ F) [3 L8 Q$ }$ u
end
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to update-credibility-ijl 9 Q r+ _9 Y) {0 A
" s. H; k% y, v& L2 M3 m1 G" g0 R;;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。* h* n5 n! M4 z$ i
let l 0& t5 ^3 g) }* _1 W; R
while[ l < people ]
* L( x/ D8 a& W2 y( q- S;;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9 m( F0 a5 [8 n3 x4 k5 S
[
+ \2 ?% U9 B, x6 k+ Z( glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# d8 ?- r5 y/ a* |, G7 M, fif (trade-record-one-j-l-len > 3). _/ e5 _7 \" P5 i- K% 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
# \& F# X* f1 m# D8 ilet i 3
- q% h( Z3 A( W' y- ?0 H: Xlet sum-time 0
' N. f# e8 c& }$ |2 v# z" y2 dwhile[i < trade-record-one-len]. H5 u9 c6 c) ^9 _) p+ q" Z
[
/ w2 R4 m b; Q! Xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 f# U" K2 \1 m( c& E6 Qset i
9 G1 ]+ k* j; Z$ ^4 b5 M; c( i + 1)# W0 s. b& v$ w2 z
] m4 N/ |* x: v3 h1 N+ Y
let credibility-i-j-l 0' B$ {# |# e1 c: I7 l
;;i评价(j对jl的评价) ]1 M4 K% Y- L0 Y- e% y U3 O
let j 3
' M$ F3 e2 g9 hlet k 4
7 h3 k% p, ]* ?+ }5 U' n6 twhile[j < trade-record-one-len]
! k. }8 X; r! h5 l7 n% Q[
5 l9 c1 w0 x2 {0 Gwhile [((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- V* d/ U5 P* X
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)
" |+ ^3 c# K' q2 Dset j
9 k T* Y" `' L$ d1 x' V U( j + 1)+ f+ Y, `+ c, v( Q5 ]8 A2 ]6 u% P
]9 R9 G' v7 S. K( Q
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 )) _; W: J6 v% Z) c8 R( ~: v, |
9 _4 v7 }: P6 u: i
* t/ `7 L$ r: Y8 h- \7 \5 K7 A
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' l& R3 L$ r( z( W4 X, P;;及时更新i对l的评价质量的评价, {# v1 g: P9 K1 G# R+ g6 J
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 N ^# g t* [- ^2 o( A
set l (l + 1)
' q( J. W) H( U; |# g8 A2 o5 R4 b8 ?]+ z: V- H) E! o, ^
end
; O/ N- h& {* X! R. c4 K- m
$ j( D. K) s5 q$ D- ] \! p. zto update-credibility-list, W9 ]# G3 ~4 e$ z
let i 0" E: x0 ?9 b+ J3 x% k* f
while[i < people]8 f7 J8 O% R8 l! v( V
[; y( I+ ]6 u3 ]( l$ z
let j 0( J3 C4 f+ a! f ~$ T6 c8 ` d
let note 0
% q3 `( t' F- n0 x/ A; W% ?let k 0
- r' o$ B1 G0 a$ ?; ]$ V E;;计作出过评价的邻居节点的数目
# p- U# {6 H5 d: zwhile[j < people]1 {; @* l3 F2 B: y
[ O, q6 A" O* e x
if (item j( [credibility] of turtle (i + 1)) != -1)
0 e8 p: x) A& l5 P;;判断是否给本turtle的评价质量做出过评价的节点
0 m# V# m' r# J, y( D* \* H[set note (note + item j ([credibility]of turtle (i + 1)))
[# E! V; Q/ D/ T$ l, U;;*(exp (-(people - 2)))/(people - 2))]" K4 F4 E! R% l/ ^% E
set k (k + 1)
! M0 K6 h# p g* N0 n( w0 n]$ z& Z: j( F" Z
set j (j + 1)
) A& a2 p Q8 H F) e) _]
+ k; {) l7 X' C3 T0 V4 q* iset note (note *(exp (- (1 / k)))/ k). _. V% a% D$ M, _) K' c" e5 l
set credibility-list (replace-item i credibility-list note)
, \7 l' L: k+ }( y) K2 Nset i (i + 1)
7 v1 G, ~2 |- |+ ~]
. f) u# y% k4 g6 r! ?" Iend# Z5 L ^3 x, a) A
; ^; }" g3 @ H- H
to update-global-reputation-list; g* a$ m' ^5 e7 }% F2 U& [( b
let j 0: I) B( ]% w7 ^
while[j < people] n/ C2 y; E, ^, d8 Q5 c
[: }% ~2 @( ^6 ~0 q% V
let new 0
5 V5 S h- _1 y$ c# w;;暂存新的一个全局声誉+ M. v% O8 [* A% k# `/ n0 Y
let i 0
# O; |8 ]3 o0 d N; H, z: zlet sum-money 0
3 t* o/ b- ]1 V: o# }+ rlet credibility-money 0
& [: t7 u: g) l2 F$ z0 l ^. hwhile [i < people]: i* R' ?1 {$ f7 ?
[+ M9 `" }, n2 L' L
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( E3 U- |* E2 U1 L" [# Oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))- u `. l- H2 e% n
set i (i + 1): G" S( ?' {( y n% G( e; S
]( `: y* V# b+ H, K3 t% U4 W
let k 0
/ I, v2 A7 Y6 J. D# P) b# V' Wlet new1 0
4 Z% k. M& ~8 f6 {& X) y& mwhile [k < people]" s A3 r! s& m+ _- m# ]
[% g6 V9 v/ ]- O, |/ P; s
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)0 o$ Q( |) B( p# [; p" {/ |
set k (k + 1)
# E* Z5 N A" m \* u2 r]5 I9 v0 [ D4 l: D
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) * v1 _' o4 d5 q# K% j; ~" @
set global-reputation-list (replace-item j global-reputation-list new)
" \7 J8 J: ?- _set j (j + 1)2 P# z- o* n& {8 O ^
]
+ w# T4 e R V: X$ d: v- B* G" yend0 I' R8 k( c' N& B! T' |$ b5 Y. \4 ]
1 j8 c' U/ E0 H: M1 D+ {9 d; V7 a D& @
4 \( ] A9 g5 c6 P$ T0 C' Pto get-color# R1 B4 f) o3 Q" X! _- Y& p& `
9 I( H! k$ m2 @) ]+ Z1 L( E
set color blue
' |3 p' Z# Y1 s3 L/ f& @end9 O+ M) x) A2 |- x ^, E
3 g7 K" b% |! e* pto poll-class
: r( S: K1 Y2 _- ]9 P2 Fend
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" t Q9 B( Z0 d( @9 l- N0 U: ] Hto setup-plot1% r- T G' Z, W6 J. M* Q" j
" I; [$ {# _; v
set-current-plot "Trends-of-Local-reputation"* Z/ l+ u* g$ _9 A- f
' E& o8 B7 g, G6 U: X& zset-plot-x-range 0 xmax
2 C2 w9 F ~& T2 p, m" K: Y
7 c8 S) p' x: {" W- lset-plot-y-range 0.0 ymax
( J9 [( [" E) W( b/ hend
. V1 B; r ?2 z# a3 @' ?: n. M9 m- z2 j0 Y7 d% x; T
to setup-plot2
* h. m- ?. M1 R7 I. c* U5 C. i$ G+ m8 h
set-current-plot "Trends-of-global-reputation"# A6 s1 N7 H/ _
: ^4 a7 T$ B# p, Q' p% Y4 O
set-plot-x-range 0 xmax
) ? R0 o) h. j1 U3 {2 U. T5 a& ]4 N7 O. F
set-plot-y-range 0.0 ymax( w. V4 Y& M% ]7 ?# _; H# r: J
end
* }- \4 x. D# N' h* ~: t2 e) R% v0 M% L, x* [- g" c
to setup-plot3# b6 f/ l4 M9 y! N3 m+ O
3 U3 ]+ `2 p4 S1 C: }2 h) V5 i
set-current-plot "Trends-of-credibility"5 T, t9 r' V2 Q/ w$ A
% A7 Y1 j2 p" O. g
set-plot-x-range 0 xmax0 k' p# d- O* x' f+ g; v
, Y$ ~( v7 F5 @, ~: ^
set-plot-y-range 0.0 ymax8 u, w0 w& a- w: P* V6 I. c7 Q4 s. J
end, |4 O3 S5 g' c; w" d
1 h* c' Y3 g3 P9 L: N8 P7 m
to do-plots
; f& d6 `4 ~" p" d5 ~" i; O5 kset-current-plot "Trends-of-Local-reputation"% P9 V1 h; {( R) }- x1 J% ^# b) o
set-current-plot-pen "Honest service"
) Y$ Z9 T9 c, c4 v5 V1 eend
+ x6 I4 r [5 W9 l# U8 B
, C! o) }, |5 w- R% [[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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