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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
' m1 L8 T. F+ _1 w$ \; B; Z/ O& Uglobals[
3 s: }( D% x7 x* Dxmax9 I* }6 E! P5 Q9 l; F* a9 v
ymax
4 |6 A! q8 {: r) Jglobal-reputation-list
/ Z5 h- j1 n, j- Z
8 m6 ]; G# K5 x1 z: ?! ^" c;;每一个turtle的全局声誉都存在此LIST中; h( w8 p$ L' [5 `
credibility-list
1 g5 L) P$ j; z) F3 b;;每一个turtle的评价可信度
+ j, v% @/ v& P! O1 y3 Jhonest-service( G2 j7 ~) b, ?$ q2 M
unhonest-service- i1 [6 W1 `; ]( m# g! A l
oscillation4 v& x( d+ p. y3 ]
rand-dynamic5 J. y* y) }. h# J& X
]- h0 ^3 C, a1 _+ A9 O, _
Q, M7 S; [' h/ [, fturtles-own[$ g% R- [5 m" ]# G
trade-record-all0 r- I! j* \ [
;;a list of lists,由trade-record-one组成! m$ \0 @& x- _4 c! e/ ^( W- M
trade-record-one2 `# Y# i5 [& e0 J/ n
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
6 P) {8 m7 v8 H( ~' _1 s, P% }7 W) }6 w
;;[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]]$ i. t! n* x* b1 c m7 R# u# M9 U
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]7 o, W0 Y+ k8 q1 _6 X
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$ O4 p/ w5 c$ R0 V& Z+ R: T2 C8 Q
neighbor-total& F7 V, h& c% @( h& X- Y
;;记录该turtle的邻居节点的数目
% f. x: \3 S& Y. X$ qtrade-time r* M) U* t7 W( X: @8 Y5 ~1 ^
;;当前发生交易的turtle的交易时间$ h; ^2 z2 \! E$ {% v
appraise-give& T1 }- K" r- S: m4 l2 b
;;当前发生交易时给出的评价4 P% b+ X7 e6 t7 R1 ?1 h+ _
appraise-receive
+ U& ?4 [+ p9 X6 I$ g! a, g0 ~;;当前发生交易时收到的评价
6 m* E/ m! q) [0 E( y+ M, [appraise-time& ]. k7 ]/ a) Y+ H- V/ y
;;当前发生交易时的评价时间( X% C# a" \1 {& b2 X' Y6 A8 }4 q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉. H# T/ b$ G7 h; _
trade-times-total- g$ r) w- P a# x( W
;;与当前turtle的交易总次数- F9 ]* j, |* u& e# {9 M
trade-money-total
, G [2 ?; [# H;;与当前turtle的交易总金额6 X3 H. I) |. o2 ~
local-reputation
( M; E$ @9 k+ Oglobal-reputation
" e( ` Q U5 v* C* acredibility2 u7 P2 J4 x1 Z6 k* U" h
;;评价可信度,每次交易后都需要更新4 H3 [& l9 U( t4 |# K8 L( N. o( d
credibility-all8 w, }# f' d4 |% k' k
;;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+ j/ j: \% E# N
6 t1 d0 K. `* @- C* A% V3 [* r0 x
;;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' `( a& Y& Q e- W8 j2 g% Z1 b. X; y
credibility-one
) o, C$ _2 V1 B4 _' };;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
; u5 R2 t6 ]. f* h- Q6 c0 _ x' kglobal-proportion( K) {2 R8 e$ s! H
customer' ~$ }* B5 @4 J5 ]6 g& X; U
customer-no
: O( ^! x# S4 K/ ztrust-ok
. A# @& N& V1 Mtrade-record-one-len;;trade-record-one的长度5 }5 r. e% O4 T
]! K9 M% v6 W( k
, \$ {. K3 x# J8 i) Q# _9 j6 ]# d
;;setup procedure
* k9 M2 p8 S s9 ?& {1 F2 Q. O+ V) Q' G
to setup
: e5 ?( W2 g- T) [( `0 @0 A" P
+ n3 y- D) _6 x0 b# G5 s- }5 t7 U( lca
0 b) \8 X3 j. _
' D1 k+ G# `8 ~; c& u+ E( r8 A- xinitialize-settings* W2 \9 O) j8 U) @* i3 ?
6 g* i( A& Z8 D0 P1 M% p8 n
crt people [setup-turtles]" |% m+ w k' p0 {' c1 X" j8 Y& z
8 {* Z* @+ I3 H) P/ Treset-timer8 \* F* y- Z s& A
/ n' l$ v% G8 I' M E2 u# f, t9 S
poll-class/ o- |- s4 A' R2 W8 P8 r* A
' I4 s6 u9 }) q
setup-plots
+ {5 [1 D) C, l& p8 Q. I3 ]& {" y9 [& e
do-plots
/ h9 D* L: x, s4 Y4 Gend2 u* B Y2 s, w. `& a
- q* p! T8 t8 r# ^, q9 Lto initialize-settings7 t P- z5 [/ [+ E& |
7 q- w* _$ H: b& P/ [set global-reputation-list []: x1 G/ A/ |, c' t8 H' B- Z
+ _# ~$ M# o# {2 k: A0 _+ p6 Z+ {! v
set credibility-list n-values people [0.5]1 [4 L0 \2 N( x* [9 I/ `3 O
7 s3 a2 g1 O. w6 a
set honest-service 0: S! C2 E K* {8 y) O
7 `. |0 B; r# {9 E
set unhonest-service 04 q: m. J7 |0 N6 \% e: C5 [
0 u6 w1 w+ H# | t% E% Q
set oscillation 0
4 T( t& x* P( r: H! n" M, m M6 l0 p3 v A
set rand-dynamic 01 H2 j5 `. E N$ ]4 V) \7 O- H* A; |
end; d" R# X% g+ ^
$ c& F+ L0 U- l* H5 q- Q
to setup-turtles 9 k- e, [. }( S2 H- g
set shape "person"
1 v v. R8 }5 c6 \8 z+ jsetxy random-xcor random-ycor
( t3 z* w* F5 C, q& T& Pset trade-record-one []% Z8 ?2 }; Z/ u0 v2 u) a1 Z: @6 j/ E
5 C, x, D1 U3 x( B- A! p! `6 }/ R
set trade-record-all n-values people [(list (? + 1) 0 0)] % S# U9 c& g3 o% C( }6 [
7 F: ], f: U' s8 lset trade-record-current []
; a" ]( p6 w) B8 m1 Xset credibility-receive []" x7 e4 A+ f- _3 C5 b0 g1 G
set local-reputation 0.5
# ?# i5 J; u2 t& W0 h8 y& r; nset neighbor-total 0
9 U+ \& j/ i" h P1 W# L/ sset trade-times-total 01 \2 m2 | q6 p% `9 k6 s4 h
set trade-money-total 03 b" H5 a$ C {
set customer nobody( k0 m2 m2 \/ z7 I3 x( T
set credibility-all n-values people [creat-credibility], j: q$ x) W( R6 X
set credibility n-values people [-1]/ q7 P0 J2 m1 m, x" r9 x5 Y
get-color
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end, Y0 X# Z. V1 B
& F" V3 G" p2 k' l; b6 V
to-report creat-credibility
6 i: C) U) ]3 D2 ]) q h9 `report n-values people [0.5]
0 ` j9 R9 l J: kend/ o1 g# O/ `# j" F& B: U3 F
+ j! r+ `" C( f
to setup-plots
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4 y0 x& @4 C6 ^: J1 t oset xmax 302 Y5 G) N" n* I, m$ C' ~* B4 P
; G. x0 Q2 B% T: k) @set ymax 1.0* o0 D4 `8 R4 A. R; j0 ~) Z. y$ i
* ?9 j* Z: O0 M. zclear-all-plots$ e) m% W5 _) `) d
$ ?0 c! b$ A- I& F, L4 \9 Tsetup-plot1
2 z# ?( R, f. b# ^1 v9 g7 |9 {* |
7 X3 T& x: o1 Y& G1 Jsetup-plot2! C3 x3 _' l! V f
* V6 }6 s: Q2 x4 @
setup-plot31 F, J6 f5 ]; g
end
) I; O" N% J. q+ d A: Q+ O
' h- R Q1 t; P" u7 m. E0 {2 L. H+ K;;run time procedures& v |) `% N) W* R2 L$ W. O
; d9 q8 y0 w1 C+ F* `5 K
to go0 N0 |9 s( Y3 _* m2 H1 B! a7 z
& A: R! c: q# ]: Q Lask turtles [do-business]
- p& {# O$ w; P$ v, E K# zend9 B, P- `+ J3 k, ]3 A
( {- D9 u- p$ ~$ V# rto do-business 5 K& n8 H4 |1 T0 e, o$ ^% E
# i/ c* g% w( O( z
! n9 i; W0 d- s9 j! ?5 g
rt random 360
8 i) ~4 q( ?$ v) z4 K3 i1 N% i) `+ |8 m* H
fd 19 ^' E$ w- M( D, y8 z
3 X6 z1 B- g6 r+ \6 C& k
ifelse(other turtles-here != nobody)[/ ~; f% I2 M+ Y+ O0 L
* @6 l. Z7 Y# U6 t" Gset customer one-of other turtles-here" r1 G* z/ A: t' q' L+ c1 O' S- a
) m5 z) X+ t4 r M9 X;; set [customer] of customer myself3 s% J; L% ^% x. T7 q
2 o5 D. `; G0 r6 R: y
set [trade-record-one] of self item (([who] of customer) - 1)" e0 E5 z, V5 G1 Z+ }
[trade-record-all]of self" n4 |6 ]1 X8 P# Z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& }2 `- u2 Q3 o- D/ D
/ i; x& i: I$ {" @' Tset [trade-record-one] of customer item (([who] of self) - 1)
+ |* g- X6 N; n; U0 `& w, c[trade-record-all]of customer+ f1 c B3 N" e: \ i* E
5 V/ _, ~2 q: Z- j
set [trade-record-one-len] of self length [trade-record-one] of self& C9 j+ @' d$ a% a& [" H
& n6 {$ U- V8 w+ bset trade-record-current( list (timer) (random money-upper-limit))
: W) w& e3 v' N. @* p
1 f( G! _- C3 D4 U* ]ask self [do-trust]0 j/ R4 }* T# E9 q+ \7 j
;;先求i对j的信任度4 `% e% R' k: d: Q
) B7 A4 T* n. @! \# ]7 C2 qif ([trust-ok] of self)
4 n" v# n# @# [6 t7 W+ i1 E; V;;根据i对j的信任度来决定是否与j进行交易[4 L# X! r6 B' B- n& B
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
6 n4 k8 R+ Y& ]) ^( R% }. {
6 [) `0 M# c L n/ o& ~2 ado-trade
/ D1 c8 i7 z5 F t3 C$ H1 H2 X6 m5 k5 m* M- r- k
update-credibility-ijl
; B7 V# U* y: k- p" q
, n- `% [& Z% x1 m2 C# Mupdate-credibility-list7 p I9 M. q5 A8 d( i+ ?% [
2 ]: g/ z% t" n* b' g7 K. _2 R) V8 n( T
update-global-reputation-list
- w/ x! Z, c$ t$ H1 V
. W: U, |- g) lpoll-class
9 V/ K* E6 S& d5 G8 O
2 M/ I; M7 ?6 M. Tget-color
" e3 @8 T2 ]% N- ]6 R" |
0 _3 r& g8 b7 r/ h( w/ V]]& F- q2 C$ x/ f3 Q& ~4 m
0 c3 @. u4 d$ N" S9 |$ r5 _;;如果所得的信任度满足条件,则进行交易1 Z3 t$ Z3 c: ]% `) z2 e
4 R( H2 t5 A" C, S9 U
[
0 O( R6 l; M. K4 R" R4 A. |% b- m! I+ C, Y( y: L
rt random 360' ]) t9 Q# D6 U& u% F
: t( W; m: a+ g$ i- C
fd 1
: L! I$ u% c# F; K* x" ?' C6 ]+ r# B+ \9 {, V
]+ H2 l& g( a7 T( @
$ T7 O: o3 o3 p3 M# ^4 f M
end2 V5 J/ I# Q, Y# v. F
$ x( z- E4 ^4 M; K Z* Gto do-trust
& U2 n) i" |) ?, Bset trust-ok False- ?7 ?8 C1 I. R
4 @/ n+ k+ \3 }- q
4 L6 B5 D' G2 e0 t m2 Q; hlet max-trade-times 06 e; Y' e4 [0 q2 D! `% u1 x
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ d5 j+ i2 n+ Q; q" plet max-trade-money 0# n2 [3 X3 m) I0 R6 C6 k. u
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 i6 U( e& l( `8 q- g
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ ~( t+ {6 U* U
C7 s8 }6 W4 Y4 v
8 G g/ n, |, { zget-global-proportion
0 k: j3 |# O& plet trust-value& {$ M V. B- o$ W, Y( h
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)6 a8 J" }0 ~4 a
if(trust-value > trade-trust-value)
8 O) Y$ j6 L9 E[set trust-ok true]. h) d1 G" |: R( A* w! L
end. c C9 J3 D+ L9 k
7 e l. z$ C) M( W' r
to get-global-proportion9 G, _6 G6 p0 Q- ^1 G6 R
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), r- e; t& E* {
[set global-proportion 0]; h( U8 y7 A0 c" p$ ^$ m c
[let i 0
& ^5 {" y. k# Blet sum-money 0
- t% K& C* Y0 H* a! K' gwhile[ i < people]
+ d- x& A4 K, \' x, n[
* e+ V2 v' h- h& O# ^$ q( d8 H% Kif( length (item i
2 v# z: }& {( x0 J! y- z[trade-record-all] of customer) > 3 )5 g( A* ^% _- ?4 @
[
! k9 W! Q; S+ x+ ?- z) E& A/ u# _3 hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))# D( U r; T6 v) B8 e0 x, y
]3 i, O2 d. i b0 V2 c
]6 }0 P# v- F7 \2 l C1 |+ }- r9 r
let j 0. R! i! }5 U( ^
let note 0
# v/ Y5 m/ _( K' o* Kwhile[ j < people]. ~/ i6 b1 Z; ^% h) Y6 Z
[7 W; c( ~7 r* `$ n" L/ N
if( length (item i7 G- h ?0 O$ f" d8 r& j
[trade-record-all] of customer) > 3 )
* H- ~3 M4 Z/ ` r7 T1 h0 B[! [; q6 k5 R: N& k
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)2 d9 t1 v2 Z, C$ z7 \2 P( g
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]0 x8 d! |0 C5 z5 h% D! q: q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& G3 d J1 Y2 O: O- C
]
# [, F3 c4 W9 ~! g4 G]
% Q; R& g: X# p9 t3 i5 V1 Bset global-proportion note
% } h7 ]4 ]' P0 U! p& @4 v0 y]
i" m% _2 C3 X, B: p+ J0 ~; uend! D! E7 M& i& @8 y. p6 ^6 `
( P- z' n7 {+ u8 [to do-trade& n% Y, w, }7 S6 Q ?/ Q9 V
;;这个过程实际上是给双方作出评价的过程2 Q# n/ b4 x" a6 W$ k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 Q. _) a Y+ h6 w+ T- K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
$ e2 n3 l6 K$ S" i# x, K* m; [set trade-record-current lput(timer) trade-record-current' f0 K/ b% V: m6 J- n: {
;;评价时间
X% R0 p. |# c5 qask myself [8 {! k! ]- G, b3 w
update-local-reputation y/ p0 Y% R# k% p+ R
set trade-record-current lput([local-reputation] of myself) trade-record-current
' W( k5 q7 `; []
3 t" S% N; ~, n7 ] s J7 |set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 v$ W/ l$ H0 ?
;;将此次交易的记录加入到trade-record-one中* J9 c% w2 s% c6 Y& b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
! s+ F0 W- U" D8 E2 G) ^! A* R/ ulet note (item 2 trade-record-current )2 `8 l4 ?0 l# E* Z& P' d# t) |- q
set trade-record-current
( g; w7 M+ G' B9 S- x2 P(replace-item 2 trade-record-current (item 3 trade-record-current))
4 D2 R9 [4 a, \* z0 Cset trade-record-current
7 P1 N& W* A, N6 g3 }8 `& P# j! O6 N(replace-item 3 trade-record-current note)3 }1 D% R" I# y! l% o$ B' z$ }8 M
# T3 M/ }- h+ q$ ^4 b* ?, m
5 T, Q$ o# l4 `; g1 P9 Sask customer [* c" i6 u" E2 c! n) U
update-local-reputation+ U' x2 O! c% E+ V3 N z+ G6 ^
set trade-record-current7 f# X0 I Y: G1 ^ J2 ]% K, M0 z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ K- t+ h8 ]9 G) f2 @) n
]/ U; K" H9 z1 i) E
: ?) x1 T. W( w, N* N* F
; g# N( z- I3 p/ _1 Aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; b h9 A5 k& m% `
3 a! X6 T) s; e5 K4 d9 |set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( f: A, S7 [' \. y' ^: Q( ?;;将此次交易的记录加入到customer的trade-record-all中- p2 o) F, U5 T( l6 a
end9 r0 ]3 ?$ |5 Z2 a/ X& ]# v6 ?
$ f+ \; L" d8 D6 e9 Gto update-local-reputation
7 b8 I V4 e& I- V2 Kset [trade-record-one-len] of myself length [trade-record-one] of myself5 n# }6 z9 n7 k: j0 U: w, O2 E* o
7 ^# B1 g$ _, k2 X7 v
) `9 w v- `2 G, u& @
;;if [trade-record-one-len] of myself > 3
% {7 T$ d7 O5 ?6 q7 q( c" ]update-neighbor-total: ?* ]" T4 w) q0 I) }
;;更新邻居节点的数目,在此进行
. u1 O/ z: K z; p+ Plet i 3
% Y z$ c% [0 S& b2 Plet sum-time 0
8 r* [9 N! b" q0 awhile[i < [trade-record-one-len] of myself]
3 E* c. w- P% Y5 t- p[
5 c# Z3 n$ a% w: ^set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 l) ]3 X; F/ [: d& oset i; f* j. L* @6 k3 b' H
( i + 1)
' H) K, G- C: g4 ?$ d]: }: g: `; e) ?5 v
let j 37 C. n# V1 ?8 ^2 T
let sum-money 0
" u) b `5 n# p' z [4 iwhile[j < [trade-record-one-len] of myself]' L+ n/ ~1 s7 T! H5 H, k' o
[$ a; @, T; j5 K% @! H- q
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), F. [' u9 X! q' Y* S% y! Y
set j
% B E, c9 {' O2 d, @( j + 1)
! @) Z. F7 J; A]* `. f% Z" A2 \
let k 3
" S6 \" B- R/ a3 W8 z7 ulet power 0
& X3 i4 l/ U3 ^; g" Xlet local 0
% Q# v2 u T. [ V% qwhile [k <[trade-record-one-len] of myself], e q1 k: G8 O
[
g; ^4 ?2 T: p6 v( `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) ( R8 @* G. g/ p( p- R/ a
set k (k + 1)) T* x# u, H9 j1 O( K5 E0 k
]7 F! C) M9 M1 v' @0 T8 G
set [local-reputation] of myself (local): [( z" L/ H- a9 O4 i, x
end+ k% z% d$ u2 Q' e _( A
# y/ z% r) W5 C1 Rto update-neighbor-total
2 I. N1 D ^ I* m- T. C" l: J
$ J0 |+ c) H# A: {% r4 j. sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% \& a* C' k9 x v( f8 T. g# p- D7 R1 w9 @
+ f5 I( O+ \6 _9 hend
) h! _) X' l" A; Y I) R
) V& @. C4 R1 k: j& V8 G( Hto update-credibility-ijl 1 v X" c0 w4 J7 s4 {# [0 n
( Y: g) Z! I3 X$ l" I: W;;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。
& W' T9 P% t8 W0 glet l 0
2 C) A& n0 J/ m; {( Y- _while[ l < people ]5 z$ r: @- B7 a2 G
;;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8 F2 D0 r+ u3 L: [
[- s+ j$ A6 L8 Q- s' O1 l' W
let trade-record-one-j-l-len length item l ([trade-record-all] of customer): D" P4 y$ m1 ?0 o
if (trade-record-one-j-l-len > 3)
8 c. W1 Z C4 N0 x[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-one7 v9 T2 x1 O& c3 d. R; W
let i 3
& T1 y4 A' P5 d' e+ t/ ylet sum-time 0
8 k/ m* g( L+ e/ e" B) v. Xwhile[i < trade-record-one-len]" }" ?0 W I# ?# ]+ K9 }9 v
[6 P' p/ u Z; h8 W1 V, G) R
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 Q" F+ G5 |6 Q, e0 yset i0 t+ m+ x9 _ X* D3 u+ \* g
( i + 1)
5 _7 d/ B1 ^% e" [+ M6 ^]- [* ~4 r3 a+ L7 D/ k9 u7 l
let credibility-i-j-l 0
7 U% S) q& X4 N4 v8 C& H( F, q;;i评价(j对jl的评价); X. x) p2 Q6 o, x( M- K
let j 3
7 K$ U+ }8 R6 V2 Q+ W; b6 qlet k 42 T9 x; |5 A. h* r, K0 u, r/ I0 o
while[j < trade-record-one-len]
& T2 i! e/ a/ c9 n0 M[
g$ u8 A! d3 o2 d5 R0 `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
& E9 Q. a1 n( ?+ cset 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)
6 p3 K9 L3 T* f9 B& l/ Aset j9 c! M0 M5 M# _6 J. S9 J4 q. y( B7 ~
( j + 1)
: x$ J8 o* r+ B8 k]
& W: n. g' n4 Rset [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 ))
. U: }$ {- c# X! U3 H
) e) q+ ~& Y3 i+ N7 O# u' D; i
; k! c& M& _7 | m) Z) Z8 wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 }# \$ }, V# ];;及时更新i对l的评价质量的评价* p& t! L# A( P
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 {: {; J$ B: ^3 G9 g4 B
set l (l + 1): G7 H* E& l+ p3 P
]
. _+ O% c+ U8 |3 g9 O5 _; x% m; zend0 y/ {8 O) o5 A% j- X
6 @6 O8 C4 j$ B: ~) k
to update-credibility-list$ r. t3 T* L8 x% g" q: p
let i 0
2 ~+ I) b9 P. e9 T) Kwhile[i < people]
, i7 I4 N9 \8 }1 V# u, ^[
# G8 G$ q+ `) y# J; c, `5 X6 @let j 0
* Z) Q1 k- o( F! slet note 03 G/ H: R1 U9 v
let k 03 n s+ g. A4 M( W V+ k! w0 r. W1 d
;;计作出过评价的邻居节点的数目
3 E" ~: ~! s. o# }6 X0 ~while[j < people]" ^' Y! E8 z0 Q" Z4 N& S7 V1 K8 ~
[( t4 I ]. P' d! j% h0 Y
if (item j( [credibility] of turtle (i + 1)) != -1)8 Q N# y3 I4 [1 ^& Y; N
;;判断是否给本turtle的评价质量做出过评价的节点
q9 H- v7 {) o+ Z# J6 q[set note (note + item j ([credibility]of turtle (i + 1)))4 R9 ~6 G3 q$ B* O4 j
;;*(exp (-(people - 2)))/(people - 2))]
; O. j8 s3 \! M0 m( [6 d; Cset k (k + 1)
" f% E" H: M' r- U]
J; G' P, P% r4 ~$ pset j (j + 1)( s; E9 ]; V+ s: y
]# F# F: e% @, k9 A/ G
set note (note *(exp (- (1 / k)))/ k)
2 A, A, e2 A" A- e; |$ _' K* Iset credibility-list (replace-item i credibility-list note)
S( _& Y4 o5 Y8 U3 [# w8 rset i (i + 1)8 F5 U6 ^# b2 h) ^: H1 r. k. P
] K( j$ ]3 i: V; J" u
end+ a1 P1 W# O$ ]2 r" O; Z
- T) i+ H; f8 F% t& T0 ]1 qto update-global-reputation-list
7 {' X1 `: D8 v1 F+ |; M) k# D' b# mlet j 0
2 p/ x% H/ s+ O7 O- e9 owhile[j < people]+ w4 x. h* z4 z) p/ ]6 p9 J
[5 b! T8 u. b8 J4 k# _6 d
let new 0
: k& ]7 O3 W. ~* ^/ i* C+ A;;暂存新的一个全局声誉
7 l' m. c4 C0 c, Llet i 0
- @+ O O/ |9 i7 v& Klet sum-money 0# X ^4 v" j4 n, R( B
let credibility-money 0
9 p- w. j; m" H; o1 p4 B, E2 lwhile [i < people] p: m- k1 \, U) i$ v" R2 N
[
9 @9 d) z6 q5 r: e. Q4 P, N$ B, hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))3 D5 ^3 W; Q1 T- `4 N
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 s2 w6 G: V# Z& }) Q# Uset i (i + 1)5 O2 \( e4 t. j
]
1 O+ K3 P% Z$ y. B$ I/ c" j. W. Plet k 0
6 K: @1 ^; g$ g9 S" i2 T' blet new1 0
; M; @( f7 ?3 z! \* ?. W' {while [k < people], @0 u. F3 r9 b! T0 x; r/ |/ V
[
; K+ @6 B( Q2 R9 Q# |1 y: ?/ Uset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money); M6 M/ j: ~# u, ]
set k (k + 1); c r% F9 Q. v
]4 r, ? o7 {- i' V5 n! ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ! n9 r9 s& A0 s& L
set global-reputation-list (replace-item j global-reputation-list new)& |, b* B4 x* j! L9 f7 X% i: f
set j (j + 1)
$ d4 Y% A; H2 V]
# V c6 r$ t6 @. _+ N, Hend
" W$ F7 t! c# n
0 F1 w6 a: i% c8 G
9 @2 {. B$ L1 p& ]# O4 I h5 m, M$ Q( }! Z ]# V7 |4 b
to get-color
( W: x' J& u- K
2 \. o- h/ c# T/ n7 yset color blue( C6 D5 y) {0 X
end- |) d6 ?6 w( f% C2 R; j1 Y
$ P+ q3 N$ l' J# t
to poll-class
. p9 d9 E# d$ @2 J, _end; b" P% L; y& V# x7 l
) b0 b" s& y! b" g0 y) N6 Y, vto setup-plot1
$ `- I. [* B: E: l+ r& e, v% k* h/ Z6 [' [
set-current-plot "Trends-of-Local-reputation"% L; O4 N4 U4 W* d) r' v$ E5 ?: [
4 J+ V5 F! T5 J. o4 I1 gset-plot-x-range 0 xmax8 }# e7 b$ n9 [- o
/ B; k& n# l; I* L* D
set-plot-y-range 0.0 ymax$ ~# W' r; E9 @, T5 |- L
end$ I( i) |9 }! R# E7 ?, j7 J
( u& k$ j* p- { U6 ]to setup-plot23 a& @+ a, w8 A% }4 Q/ G$ G
' X) \) c7 d# m3 w# p
set-current-plot "Trends-of-global-reputation"
' L2 }$ A* M+ M
& G; K9 b% o$ R& ^0 f7 ^set-plot-x-range 0 xmax2 t5 [* |* a2 P8 h# e
: Y0 ~- U+ A; Z4 K2 }" I, vset-plot-y-range 0.0 ymax
7 h) `# i- g- Y/ Z: xend9 b- D( |% |+ A9 m! j
: N7 y4 e z* |0 m% Yto setup-plot3
/ c5 G1 j3 g# d8 ^5 ^4 n! d2 }4 u; O% u0 L' G7 D# M
set-current-plot "Trends-of-credibility"; M, x6 `5 V" k. Z5 y2 X
i. B" j M8 Q# x4 x0 h* P
set-plot-x-range 0 xmax
: @3 H# J+ _. h9 d( t m" C# G; M2 ?* w/ b& r2 Q+ |$ K7 }. ?
set-plot-y-range 0.0 ymax
+ [2 Q, n' L5 u8 }3 n8 z j* q* Cend
% E7 e6 |$ R6 E4 J0 f& m
5 J; a3 G$ I/ `4 y A, r5 |to do-plots
9 L0 w7 g; i# K8 |( kset-current-plot "Trends-of-Local-reputation"7 S# V& H9 q" }4 U
set-current-plot-pen "Honest service"' b; v5 |2 W* {# f
end
4 _1 z8 |" O" ~1 M
/ H+ N0 `& J5 {: h5 _1 u6 Y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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