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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- y# Y7 ]9 r: F
globals[
) ]; q+ b G. q$ [) O lxmax
# w5 Z' `$ l2 zymax, Q- a# p4 J+ @
global-reputation-list
' ~' }' c- _- e( B& O9 _' ?0 j1 s9 E9 k
;;每一个turtle的全局声誉都存在此LIST中
& D* \( e; s* ~8 U( |5 Pcredibility-list' J+ t, O- m! n) G
;;每一个turtle的评价可信度1 O4 G% z9 l* D4 _8 v Z
honest-service. Z# q# Q1 }. o" U9 O
unhonest-service% V, j" u/ \6 e* U9 l
oscillation! J' J0 ]# e; M/ H) ?
rand-dynamic2 h! B+ g3 C! P: X2 |6 d
]
0 u7 U. H9 z* x, T$ \6 v- l; ]- J2 \
turtles-own[) v/ W5 a! R' j' s
trade-record-all
6 y* t/ P+ ?7 \0 j& L; n4 X;;a list of lists,由trade-record-one组成' B3 \- X% X7 m1 K
trade-record-one$ j/ `: `" B; ?5 G0 a5 e
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" q; y! ^, S* q7 M( u
) l w0 z5 ?9 Y, {1 Y( E;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
, s5 P2 Q+ p& N# ?3 i! X& E" ttrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
' q, G/ n2 d0 b s- hcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list/ k* j9 ] d7 K u0 I* ~& Q! j
neighbor-total
! ~/ N& Z5 e' Q$ L;;记录该turtle的邻居节点的数目: M' m3 i2 K4 e& h
trade-time
. r l7 g6 k7 F: t0 ]" N, J;;当前发生交易的turtle的交易时间
) J! H1 h# _+ e/ Q; x4 Wappraise-give! g5 i+ }' h' l& n7 d, N3 t7 C) X3 a
;;当前发生交易时给出的评价* n& a, |0 i9 J. ?. b% A& Z
appraise-receive
' X2 W7 c, J# J0 A, g1 ^/ \6 v. ^;;当前发生交易时收到的评价
! r; N$ W, @$ n& [- r9 F0 ^, vappraise-time* \$ c% k& G4 T, F* q7 B
;;当前发生交易时的评价时间
) f5 E9 j% R9 B) P5 t4 j. Xlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉6 {5 l' ]* @" n |7 [! [0 \) \
trade-times-total! G, L4 {4 {9 { `0 q
;;与当前turtle的交易总次数
5 u8 Q/ h6 _) a. Xtrade-money-total# o" [6 X% v5 y# [) z1 |
;;与当前turtle的交易总金额
; O8 g6 ?7 E3 [/ {: G9 `: k4 flocal-reputation
% E9 A% |. D' [4 @1 {9 |8 \global-reputation
- H9 ^9 j* n$ n( g* ~! Z* wcredibility
& X$ ]# Y, ` H( l. M, b;;评价可信度,每次交易后都需要更新: u0 A8 k/ b: \7 C u
credibility-all
( h: l* D1 v' d# B9 ]' c;;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2 U" @5 X& R* v' r9 G1 U
% R% r" u. k' r% w;;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
- E8 O, {4 f/ H; ]credibility-one
" W) C5 u- l. }3 K, \" p- \ Y2 [1 {- E;;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& t% H8 w- C* S
global-proportion
' e q# O+ v; v7 O2 A* ycustomer
$ y! A; l& t! O9 ]customer-no
+ e6 N5 z7 U4 n' Z% `trust-ok2 H: s! d8 I9 `, P* t9 x
trade-record-one-len;;trade-record-one的长度# x- Q. q& i4 ]
]
# A+ w2 E3 l! i6 \- [5 D: p
. i: @: x E, [6 L+ k$ r% W3 X9 V$ h;;setup procedure
( {6 j& Z9 Q1 ~2 o. J2 i6 W8 ~) g
; Z" G" P: w8 r: j6 A) y) Sto setup) U0 h' V5 d/ v* w- ]
; h l" K3 H; \, wca \" Z( u E9 [/ O
7 H( W' k6 S2 _/ k& Q- \) Sinitialize-settings
2 m8 R- A* o6 g
$ }. p, `: F8 W3 V+ Fcrt people [setup-turtles]6 [. J5 S9 J% l. G+ `+ h: C
- U: j* D' g: i, k1 N
reset-timer
9 a8 P u+ l& n
; b4 ^& X- w! u) v* npoll-class! A# |2 e6 q! g
$ Y5 d& j1 J7 N. _6 z# F( Z( _setup-plots
! J% f: \# L3 o% ^5 z( O7 o( t
do-plots
! {, Q, k' T2 r/ c* o# P( eend- z- E& S5 p, }" n3 S! s
, F% R& I/ ], ~ Rto initialize-settings' Y& W* m, f7 z8 k4 k4 m+ x9 p1 c
7 t+ M" y+ z/ q, ~set global-reputation-list [] A" f0 i$ I' j1 Q: X
7 P( E# w1 c5 ?" u/ a
set credibility-list n-values people [0.5]( U7 P& C' \3 R& V. a" S1 V4 P
* ^; {2 X) ~6 b% x) o: g0 v
set honest-service 0: ?3 s5 l3 |8 c4 r# g5 l1 s. ]
+ S& j; a5 C( B7 @0 n
set unhonest-service 0/ K0 O# ]' r$ V
% @0 }/ c( g6 ~) Mset oscillation 0" R5 Q! y: N6 f; u8 B' K7 H
1 W7 P' y8 I9 h5 ?' o% E4 a3 V
set rand-dynamic 0+ k9 u% k% l+ w- U& }9 }9 Z1 [2 z6 g
end
$ F: `5 m" }% B6 _3 U2 \7 C8 H9 X
; _5 M$ }, t( Z [3 R2 Bto setup-turtles
; }- V; n: p4 F% kset shape "person"' v7 F5 g- S# ^
setxy random-xcor random-ycor, b0 T ^2 q! X( V- Z
set trade-record-one []! A- S+ J+ D, P3 e4 \
+ Y' v, y0 `$ a! Kset trade-record-all n-values people [(list (? + 1) 0 0)] 8 v2 P+ g0 H9 u$ C7 y4 |
# t/ ]* p$ p8 ]
set trade-record-current []& L" r$ H8 ~$ N( ^7 j# ^
set credibility-receive []
; R3 y8 M" r+ {& |5 w# W1 [set local-reputation 0.5/ j) T4 S/ N/ G" O
set neighbor-total 0
: V- B( _ I9 ?3 I2 z) xset trade-times-total 0
6 b7 Z( G Y% M5 Q; lset trade-money-total 0
h5 d- r/ X/ L \3 I; S& Y* X4 Eset customer nobody5 o, U E& J9 f3 l5 y( g4 Q
set credibility-all n-values people [creat-credibility]. x/ E& V4 a/ T: g" T1 ] E# o
set credibility n-values people [-1]
: `9 ^3 g7 K# a& [& ^get-color Q$ F1 R2 g2 y; G6 J
9 H* m# X1 m O% S6 o# }& Rend
7 Q" q5 }. V0 O7 j H# X
0 u7 q$ }! c/ h6 P, Bto-report creat-credibility
7 k2 g! M' D, @* h' _report n-values people [0.5]0 {& _: |/ T( _4 l
end
: o8 e% H; D8 t, I0 N
) e. [1 t! \ o4 \+ t" [: E6 pto setup-plots. Z8 s9 v4 F' D3 P
, c4 J3 `2 ~3 v
set xmax 30
: Y M6 U$ h- K) W
& Y; }+ {3 I' Mset ymax 1.0
4 \9 Q( Q$ c! e0 h* J; w% W
$ c$ H$ ]$ C# V5 u2 Mclear-all-plots/ B- }2 d7 }+ z% n5 c8 a
9 r$ a$ e% i7 q: H" j
setup-plot17 m4 x: m/ X* i. F
! x: ~4 M9 K4 B, K. msetup-plot2
1 l& o$ T+ @) ^7 d( X& B& [
8 E' z$ B$ W& j+ C+ r, a( J4 wsetup-plot3
* W& o. z; p; D, u; ?0 |# C5 {end
' O* y% J. y( r1 `. Q! D5 ]! t J6 O6 T( X* S
;;run time procedures
) {- ~9 p$ F" F
% r) ?& i3 w& D2 o8 C) uto go% r: ~. u& \0 ]$ `/ R8 J$ I. J, Z+ @; O! z
# m; K7 r [/ {" c
ask turtles [do-business]
9 I3 [" k! }9 x. M( Y, u0 Dend
+ X" q/ i9 D2 n% k
( a1 C9 R( g* }* Oto do-business
, q. M- o K, o7 ]+ X0 J* X r) D1 E7 a/ B
- B2 \+ w7 x6 ?$ m% @. [rt random 360
& n q+ x. N6 q! u- }0 i9 m2 @$ d+ W8 S* b
fd 1
2 h$ U# }7 T5 V7 r* L" r0 u% h% l n [, \8 Y5 A
ifelse(other turtles-here != nobody)[) L2 I# W% B/ B: G% ~% k+ B
0 D8 _5 ]* e% W2 d
set customer one-of other turtles-here3 N8 T8 R& s- m2 i, P& y4 F7 m' r8 |
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;; set [customer] of customer myself/ m" ]2 U: Y. t) P
; z2 c# T5 T: ^" b0 `+ ]set [trade-record-one] of self item (([who] of customer) - 1)
) a2 n, o8 g* L3 h( h[trade-record-all]of self
6 m9 c! }) y$ G; Q+ Y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 j7 T) A* q" V# j
1 Y; v( B3 a1 \5 jset [trade-record-one] of customer item (([who] of self) - 1)* J* o" \4 O. L2 H' ]
[trade-record-all]of customer
* J' T! `' l Z- P) C. i2 o$ [/ E
8 w- v3 G* \) P5 f1 Nset [trade-record-one-len] of self length [trade-record-one] of self
[; N, E3 a' ]; ]
& C0 O8 T. F/ a3 ~, [set trade-record-current( list (timer) (random money-upper-limit))- t s& G; M+ A; T8 o3 W
4 i" F5 ]/ p, ]+ M; j( F
ask self [do-trust]
2 V7 g" f, t I2 X9 i6 r: F;;先求i对j的信任度
0 K: C; l9 U6 ~$ Y& C& s+ |' x1 g$ G" @4 _- D9 h# B# X! b+ ?( t6 W2 P
if ([trust-ok] of self)
B( F, N- q- u;;根据i对j的信任度来决定是否与j进行交易[
' Y5 z9 E4 U7 t gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 F w/ h$ J% K- X
e2 z- K: f6 B2 X& s3 I5 v[/ w! A% V. c8 E+ x1 G
! v+ c! {( x8 @( k+ C8 V" ^- rdo-trade/ v" K+ J8 k) Z
( Q: u- X2 |5 F& v1 v: c. Cupdate-credibility-ijl. R% Z8 c5 k- s. Z, A
) C3 k- E1 t D' _% Cupdate-credibility-list
" h0 e' a! M& `! c3 |. D' S
' w( F0 s+ @& _/ h1 K h2 y, _9 `* J- X8 _
update-global-reputation-list
( [3 K( x9 a0 V& k4 \" D7 f
. q$ e. F: [+ [, r: s0 t! Ppoll-class# d( ^( a; x {
' { t1 b! H$ w- U* q- Xget-color% z m: }: m( J: Z9 p O
" U0 X( |4 ?- q' h7 y8 R
]]
$ Q- r4 h" i: G" `# }2 `, H& ?6 f" a+ X# @. f; r/ G0 o( d. f
;;如果所得的信任度满足条件,则进行交易$ u" L# c6 h7 j: z
/ ?5 {* J) [( X[
9 B2 _! ^ ]8 L M9 Y2 Q
. r, _9 i5 ^# E- O3 Drt random 360
: V; z) ^2 Y6 o9 Q
- h' I8 {# C9 q- q; t) h# Mfd 1
w# s! Q* J" Y9 C; |, u: [
- m7 H5 X8 ^# O5 q/ E$ v]. Q% y" p# N6 g& _6 F8 p2 ]
/ p' U! Q/ s) _1 Y ^$ X+ r
end5 @5 _2 I5 E: z
N8 c! q3 A/ P$ x# o7 [to do-trust
+ R" B5 T2 h, |: t. zset trust-ok False
$ }% o% G! |. q [/ N* _4 D, l0 t! H3 R4 I" Z- S8 R# A* ~; s
# ~$ O7 S& I% S0 z& j# V
let max-trade-times 0
' k0 e6 _7 {; Z9 M1 v: f/ l1 Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, r% w7 ?* a5 F* M+ _9 Blet max-trade-money 0
0 c: d+ m+ K9 r& qforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- }3 B# }* d/ q: ?5 E9 R( Qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 H! i$ I+ B- e5 R0 h( K
" _; g, C" {: V8 O
7 q' ~8 }/ [+ |1 f" C$ ?get-global-proportion
/ Z' V) Y& `( Tlet trust-value' w) I3 e) U, p' M4 @$ j5 F# w
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)5 f# W. t$ T5 ?7 t) i3 k% Q& T
if(trust-value > trade-trust-value)7 M) g- x% ^) j
[set trust-ok true]
; C3 C- m8 z% ]) n2 b7 ?end" A1 m* ]- h9 T @' w
1 A' ~/ i0 B; p& F, F6 Q
to get-global-proportion
% r% _- @) H6 T d# ^; l) [' [$ Sifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
8 p! A, ^; p+ g$ s l[set global-proportion 0]
. h( h: L/ c5 U# d) ?+ U[let i 0# L( u# V! R! j1 E, }9 Q
let sum-money 0
7 s8 }* C4 _) o' h4 twhile[ i < people]
5 l( k: F( F, c7 D/ [1 M[
( j0 v- k3 b$ c# C% _ Aif( length (item i* a6 e$ C; m& E! v
[trade-record-all] of customer) > 3 )+ g8 E) m6 b0 O x* Z/ |
[" l! \* }# H- J# o9 h
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. C! Q& ^5 k/ u. F0 @9 S a+ Q]! i# b0 J# w# D. l, m( [: K
]' A0 Y1 I4 r# t1 a
let j 0
9 ?: b: @% ]" p: V. slet note 03 a5 M: q$ c5 j7 Y: H2 m
while[ j < people]
4 S$ a+ T0 h9 Q- d# h[
9 d' A# A, D/ X3 \7 q: f# Zif( length (item i/ H, S D) [8 p
[trade-record-all] of customer) > 3 )
: o! H4 g% n! F' [[* S8 T. V4 C" y& G9 D' o
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 V3 p" g7 V# p) Z' F5 h5 Z! s[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; n) l2 }1 ]) \* J6 u. Q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' d" l9 H" P1 A4 O5 z5 q
]9 q# k/ A( [3 n% N/ M1 J6 }
] u) P% l& Z, `: s5 N
set global-proportion note
( R8 Y' b7 b( R. d3 c, ~* j], j% [4 |. F S( j5 C5 g" {
end
8 j# L& m/ x6 {0 }( D2 O' E) J1 ^! a- e) ` T% S
to do-trade0 J4 g+ |1 T5 Z. ]
;;这个过程实际上是给双方作出评价的过程
5 B+ ^& E/ z' A: `7 @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 x! `) W/ k! @0 ]5 iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) `; \8 m- ?. i% t. R
set trade-record-current lput(timer) trade-record-current
5 E" I: j) r7 g6 J8 O;;评价时间" l: V& u, a3 p' M, O2 Z- I
ask myself [
$ n2 j8 |$ B% h zupdate-local-reputation2 O2 M1 }# _# v" e
set trade-record-current lput([local-reputation] of myself) trade-record-current
) |( Q' L4 m$ M7 _ t/ b2 ]3 J]; W& D( N3 C: F$ ?
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 Q) S. d" Q# ~; X$ V3 P;;将此次交易的记录加入到trade-record-one中6 x4 p( b' H; }& \7 F
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 \* ]3 |+ j5 o) U8 V+ O5 @
let note (item 2 trade-record-current )
4 c# U+ `9 i# V9 Z0 Q8 Pset trade-record-current# Z5 u6 J7 v1 [5 P
(replace-item 2 trade-record-current (item 3 trade-record-current))
4 B" E3 V; F# O: @* G5 x4 D( e; Zset trade-record-current
) Q0 B& w3 q) z- a6 Y(replace-item 3 trade-record-current note)
, E L) t7 o. s( ~
0 \5 _) O& A1 B; Z" ~! {1 v$ J. l9 R6 N' j* I, f! Z
ask customer [
L, I+ Q4 N7 Vupdate-local-reputation% Q! W" s* Y, o1 \6 R; k
set trade-record-current0 w7 U0 m9 ^& g& c, F/ r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ D6 d5 M5 e( ~& D& k" `) ]
]1 O/ e2 I- G1 n E
1 o) T& Z0 ?4 X5 z
! D' o! r5 m6 S% a i' A; eset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. ]: a" M m. J6 s; J& F
8 g% v8 M9 z9 l t
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
2 F7 t% l. d, o: C;;将此次交易的记录加入到customer的trade-record-all中, B: K) t; J5 A A! h. I
end
& c% w2 D, e8 z' ?) S2 h: Z/ t) X ~1 y' U/ e- \- w( s, F, X0 k
to update-local-reputation/ G+ J- S% V6 E- O
set [trade-record-one-len] of myself length [trade-record-one] of myself5 I, g( L3 f& h6 v; J; G; T7 E
' s5 `/ B, e5 _
7 w( Y; J0 }' { q3 z9 ?% m, {1 z;;if [trade-record-one-len] of myself > 3
* Q! [* d8 [ G3 K, s; i# \& bupdate-neighbor-total
2 A' d8 U9 B( L;;更新邻居节点的数目,在此进行
& V+ {& b/ [0 N( ` T* d; F- m8 S5 vlet i 3: `9 ~7 h3 [7 n. i$ R
let sum-time 0" O7 D) E$ ] c8 _
while[i < [trade-record-one-len] of myself]
3 Y6 y9 l6 {* v' A. X. ~5 m4 ~[
% `! ~% G% h2 F! e4 N$ K1 pset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( a) z4 A7 v: m+ |$ _: tset i M2 e3 H; L4 v/ F5 Y; K @! p
( i + 1)8 c. Z- M ?+ l
]
- c; t9 x$ o/ l( A5 r& vlet j 3
! }! L& f* T7 D8 V6 p5 Glet sum-money 0
! c) @. D7 X+ Q+ s) w/ X6 q) mwhile[j < [trade-record-one-len] of myself]2 y1 y, r, l. f4 n% f; d, B0 S' h$ z
[' c' v2 F, \8 Y- x
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)8 Q+ K4 p. O' j- L6 _& V, U9 ]
set j
, ]( ]7 g5 g9 f0 r$ b( j + 1)! f1 O' G. C* V9 S) C
]
1 F9 m. q9 M+ @0 v6 \5 z1 Nlet k 32 G% |, n) l% o! h$ E9 ]7 z/ k
let power 0
/ X6 g: {6 _, {9 Xlet local 0
+ L4 g9 o- E( {' zwhile [k <[trade-record-one-len] of myself]
& O% e/ i' z1 T0 R[( `$ i! A- d8 s4 T- X( E9 @
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)
0 \, ]! H4 _+ m+ Pset k (k + 1)
+ Z" K* D2 s9 g) P+ D]
9 Z: T ]/ K( E) |0 s- C3 sset [local-reputation] of myself (local)
3 t& v6 F% c& t$ X/ |4 aend6 w( c& @6 I Z, `
" m/ m8 f8 x6 h1 f5 \
to update-neighbor-total
, h: p- \- w4 R( ^) o4 F7 d6 v0 e$ D2 U9 H
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" R$ E" x, ^* C6 q( q( c0 c3 W! c
- W3 \5 H8 a4 u8 {* a" W
! b- r L6 l; Z, C8 z5 ]end
& M+ U9 h7 U- u1 l/ D$ U2 q6 Z* I# J4 A- d6 ~) Y
to update-credibility-ijl 6 X1 L8 l& P" J$ ]/ S2 d! ^) h4 I
) j) p$ _6 r1 X6 w/ u+ ^! A0 L;;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。" N. }: v: ^/ L( i: s/ O
let l 0
' _/ |# E, k, `, E) {4 [while[ l < people ]
9 j- y ]3 b1 D* Q+ K! |# G5 A7 p;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
S. U' }6 ]- w1 tif (trade-record-one-j-l-len > 3)
3 N5 m' y) I- I6 r* N6 g[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- C" J1 g3 d: j, }
let i 3
- C& x: `: l+ B. h# D i2 J& Nlet sum-time 0
5 o4 r5 n# r9 s8 W% b$ d( nwhile[i < trade-record-one-len]
+ ~/ m! e9 |9 E8 B[
0 v* U5 ]7 c4 ]3 B- w5 jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) Y8 y. K8 q& i& a* v! h" \set i& F& X1 {3 [/ ]# C0 I- [
( i + 1), u" X: ~! H/ U5 o) z" n2 R
]
& t1 S6 c5 ~( L' q7 clet credibility-i-j-l 0; H- I$ M2 a L' t) a
;;i评价(j对jl的评价)! S d$ t8 p8 _9 s7 L" q
let j 3! y. e! u! D1 x+ L* h
let k 44 A$ L! b `2 o; y. A L4 y) ]
while[j < trade-record-one-len]; {. R. y( S, V; w1 A" R
[
0 q. n- q" l$ T" M b0 vwhile [((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
! p! w# x' I6 K: h! V" Qset 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)
5 Q: }0 R' y1 y( ?( k5 |' nset j
% j1 l$ \. ^5 i( j + 1)6 f: l+ ~6 l+ ^# V8 N1 L$ x: L
]; z' m# d) z1 w1 ?
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 )) V. Y4 b! w2 K) V+ t
/ D" b. L; v! L; v) Y9 t9 l& [7 ]. B* P' g; M) o
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
7 _/ o) V6 }$ I# Y7 }. Q& @5 q;;及时更新i对l的评价质量的评价+ U# z0 p& p- o7 K* b* w% C
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
; C+ Z; p* _" I0 Dset l (l + 1)/ M: k7 `% M6 M+ j$ R6 z
]- c2 n: G6 R+ _% I' m6 r" z
end
) d9 q$ ], E) j- L9 f" C6 e$ {& ]( O0 ^
to update-credibility-list
{3 N" A. n0 elet i 08 Z& C% u0 o+ ]) k9 H) H
while[i < people]
8 ~& D: [3 ]" c# W2 ~$ ~# h; X[2 f4 P: x9 T1 F/ D3 r2 h7 G
let j 0
; ~8 `, C9 Z: Mlet note 0
' Q/ B; A; o8 c6 _) T ?9 n# jlet k 0
# _3 p9 ^- j$ {% n;;计作出过评价的邻居节点的数目
+ M8 G2 Q( u* Zwhile[j < people]7 B. U0 c. p8 f9 l$ J3 l& Q6 K8 `
[
2 X# p9 B, L- {' e0 m! {if (item j( [credibility] of turtle (i + 1)) != -1)
* a7 w8 t- }% J2 _" b4 z;;判断是否给本turtle的评价质量做出过评价的节点& s& v( l* ^4 {5 k+ s
[set note (note + item j ([credibility]of turtle (i + 1)))7 a+ [% L/ y0 W' n
;;*(exp (-(people - 2)))/(people - 2))]
/ \0 ?, ~0 T2 U+ L8 u! t Uset k (k + 1). D: W( v6 O4 P1 j7 p/ P
]# W! D w7 F& W
set j (j + 1)
, h9 {0 ^$ l2 X% w0 P4 G# L]$ x% U* v" S0 q' e/ z& X* s g
set note (note *(exp (- (1 / k)))/ k)
+ ^: j" V4 b, l+ ]/ dset credibility-list (replace-item i credibility-list note); L, ^9 k$ E$ A( |5 d
set i (i + 1)
/ R! k' K9 s5 o% k' o]
/ f0 W" O2 [' s0 D( }* o; ]end
. S8 m7 W$ P& G# m( C I
& e9 B# Q9 ^' S3 C8 g: l& cto update-global-reputation-list
`, m0 G1 v4 h4 X4 Zlet j 0' v* g7 Y/ {. _4 q4 i
while[j < people]( N6 l( ^' Q6 t! g+ e+ }
[
- T; ], z+ p8 Elet new 0: Q- ^" [; I; I6 H7 V8 D3 u9 E9 }
;;暂存新的一个全局声誉8 S8 F# v m5 h# M8 D+ ?
let i 0& F6 s' X$ \9 N6 j5 ?
let sum-money 08 a+ v/ F4 t6 Q0 H4 V
let credibility-money 0
$ h+ z! ~5 M M* U* `while [i < people] t0 _6 N9 B+ [9 _
[) s3 S9 G3 Y5 i# E" B' Q+ ?7 H- V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' V! N4 e0 X* f9 ?1 h
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 S( y, r1 N8 ~& P5 T/ r
set i (i + 1)
. {& z, {6 k& O5 H- Y. g7 Z3 S- P]7 q( w% _- i# J! O9 ^( W
let k 0) i. k& E- Q/ ]) e1 K6 H
let new1 0
% Q3 q; ]- H8 W5 O- ewhile [k < people]8 D7 V. g) l" S5 l
[5 _: b8 @6 X# ?1 X. I1 K4 W0 t2 _) [
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)3 z% k F0 B U. `5 {$ C( A
set k (k + 1)& s @) h+ C# o& @
]: ] j/ \4 {7 v( t% ~# C
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. r6 ~6 R! Z" ?; W/ A6 L* P3 V+ f# @set global-reputation-list (replace-item j global-reputation-list new)
+ m: a# r1 ]' R" {7 uset j (j + 1)1 h4 [. k; c; k
]
+ j' q3 w8 e2 q4 yend
' q( ]2 @" f5 J( N2 F' j
! y% _- C8 j, i. c7 l0 ]; C# _9 D5 i4 Z5 r0 y$ @: e
|" w6 f& m5 _0 Z
to get-color
9 P) }" Z; t: d% d' G/ @! k( N0 C$ Q+ f9 f4 J
set color blue7 \4 P; Y+ `' |1 z) w1 v
end
" W [1 t& \8 a- O, B( L5 k5 d+ O$ q y- K# S
to poll-class- z8 a- \% d$ D. X& L
end
1 y, W. f. }0 N" s+ t8 l
2 q% L2 M5 P6 r7 a# z# X0 xto setup-plot1. T) u+ U& V3 a, G8 |. o; E
6 G( M/ P4 M9 m) H; T4 Hset-current-plot "Trends-of-Local-reputation"
3 n6 A/ F' o$ e9 h7 U& H
3 g+ x1 q; a) v7 L( L, Y- r9 L' kset-plot-x-range 0 xmax- {! S3 l3 Y, M- X
- `- K/ r/ _$ R
set-plot-y-range 0.0 ymax$ Y9 f: s; t3 Z. E& n" n
end
: q% g7 Y9 M# _% R0 k! E) G7 p0 B) @- [
to setup-plot25 @9 v/ `; g. N' L, _2 Z
3 j' C+ `2 R }8 n$ {* gset-current-plot "Trends-of-global-reputation"! M4 ~2 A. L, I3 M9 [' M" i6 ?
( p& q! p- k! _set-plot-x-range 0 xmax
2 S# g: H; p2 H! Y7 b' r6 G/ m
. C; v# S, n8 |0 V; Lset-plot-y-range 0.0 ymax
2 t* V: E5 ]; c# Aend
3 [8 \+ c6 i q+ |" @ [7 m1 @5 _3 ^) U9 Q% e$ b6 P# ]& y
to setup-plot3
/ p% u8 X6 z$ P5 W
1 U) n& U1 Y( K w2 wset-current-plot "Trends-of-credibility"2 F" M3 e, y# G+ ^( V
1 L. P" l7 y$ w& Mset-plot-x-range 0 xmax) V: s, r! T0 d$ Y; C: r
. k$ N5 x, J. a2 _* S0 @1 Kset-plot-y-range 0.0 ymax
% b. M+ \+ \+ n7 jend% s J. D* I! U. ~3 V8 i! M* @3 J
1 E# G, R! t1 y8 y
to do-plots: i7 M# |+ O3 v3 o
set-current-plot "Trends-of-Local-reputation"
, r7 q0 Q, T; L6 s5 p% Gset-current-plot-pen "Honest service"9 g/ e8 b' ^% O1 U* x6 Q
end# g# e7 f6 T9 X: Y% v
& F, q7 k! C; q! e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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