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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) L0 b5 s& V4 d" S0 O) U) @
globals[" N; P4 W7 h8 E$ R8 y
xmax
2 Z- X; t5 E3 H+ F8 ]ymax
1 }: ~+ N( `" T8 h& h: g% N! ?2 Qglobal-reputation-list
& M) U! m, N5 T. ?3 T0 c2 N
# Q+ G1 S z$ h8 z; W;;每一个turtle的全局声誉都存在此LIST中+ s2 L2 t5 u8 t& D
credibility-list$ B: P5 | T: ^' O
;;每一个turtle的评价可信度1 Z4 P- A, |" t' Z/ I
honest-service1 M% C2 l( i0 Y+ K, Y1 {5 F
unhonest-service
?4 o8 b: \, g, X6 Qoscillation/ M* P- I2 U; v' H6 N6 ~' V
rand-dynamic0 T3 e# L& ?! G" o8 H! D# {
]
8 ~# b% V; @6 Z, P
* @: n6 v; W% H7 }# ^turtles-own[7 G2 ?5 g1 u; |. F2 R
trade-record-all
% `; B, N/ [# n) P9 B' w;;a list of lists,由trade-record-one组成
[" R2 B9 g9 d! T1 L, @, itrade-record-one
9 y$ C6 @5 i. c3 k p0 T0 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: N* x5 m8 j- s: X
! l$ `7 ?4 t" @2 {2 ?% R;;[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 g- p7 j2 O1 H( C+ }: `
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]
! N6 o" x9 T; t+ I3 \' ~# jcredibility-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
3 r6 A% P1 @) Q% d$ ?neighbor-total$ i+ S+ r+ l( e* k* O
;;记录该turtle的邻居节点的数目: `# Q$ g* U, v+ ^; m
trade-time
; A; R0 Q d) {6 s: C% `& J;;当前发生交易的turtle的交易时间
3 r! D6 A; }% W) v2 N1 xappraise-give
: e( x2 `1 y& V7 p' z8 A;;当前发生交易时给出的评价2 L/ [' z' P' l, w
appraise-receive
7 u0 C) k$ F1 B; ^$ |+ H;;当前发生交易时收到的评价
' h, F; A) W& D' P1 _8 l# yappraise-time
( d \1 i/ v5 J5 j% w# o* [5 Q;;当前发生交易时的评价时间
- D2 D( B) q8 Z( \local-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 y; E0 v- G) u5 |trade-times-total
- n6 P2 z0 a3 n8 a;;与当前turtle的交易总次数
$ N1 a, ?# Q% U. P: L1 |& `trade-money-total
0 j2 Z. N4 Y* b, w6 r;;与当前turtle的交易总金额& P0 G! A9 X! D. h4 c
local-reputation9 q) m4 \+ {% d. {
global-reputation% x7 V) c- P5 Y" ~
credibility. l( O! d# U7 A& F, V$ N
;;评价可信度,每次交易后都需要更新
! g) ?+ `/ ~. |) e: }4 `credibility-all" O3 A; w$ W" c, F4 b( P# X9 u
;;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
5 f; w, Y1 _) H2 l8 b ^+ M r5 \9 k/ I. R- x4 T
;;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0.56 q" H: C; X9 f% `2 k
credibility-one
" a8 N/ P1 K/ R4 Z v;;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
D9 k u( y& p. U: V. lglobal-proportion* d6 w. ]' B- h
customer6 n0 d. d/ z! `) g7 a' t
customer-no1 m8 w9 T& P8 S( X% u
trust-ok7 ]: N/ F- t9 g/ ]: b
trade-record-one-len;;trade-record-one的长度2 r+ O# U0 M# x$ x4 S! c8 }
]
$ \4 ?5 |! e( g4 F2 W" ^4 B( x ?5 s: M- s! p7 Q
;;setup procedure$ E! B9 o t6 |7 ~! a! a6 V
4 I! S+ {) Y2 `$ T8 V2 N
to setup
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ca8 e+ O1 e. e* v0 C; a. U# I; B
4 x! _; t2 H% b6 S7 f: minitialize-settings
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$ p7 O7 O! g9 N( g8 w1 H$ ~; W8 |crt people [setup-turtles]8 A4 d9 G8 x# T0 M0 G: m1 w; U
" S5 f; u! W* z/ @reset-timer
) c/ l/ q. ?5 y3 L7 D/ ~% }7 h* m* v' F7 n2 P; c3 q' S9 x
poll-class; i( [ G" Z0 v, F
2 `, F- K: L- @ Lsetup-plots# ~7 U/ J( b7 ^5 F- F$ u
' k- \2 V1 G, b/ w) K- O; mdo-plots& t) z5 U* a: d% h* J9 J4 [
end) G. R' r- h/ R* s& W7 e; h
+ V2 A3 C2 @/ Z" p' ]4 z' P, yto initialize-settings
! u) ]# ~4 q. E& S) O" _# d) W) c3 i4 d
set global-reputation-list []
4 P+ E" O; E }( h" n$ e- [9 {: _) [6 \" {8 ~, m7 p
set credibility-list n-values people [0.5]
3 H+ y1 ^! h+ [7 g9 c3 @( x9 s) W: M/ L) Y- L# H2 X
set honest-service 0& P% ]. K# Q4 o) |5 @
( {- |1 l3 J/ b7 e/ k- B
set unhonest-service 0
- ]2 Z6 _! v; f3 `+ Z3 j9 L$ Y; z! j- F! Y# ~
set oscillation 0
+ y( ^! m6 y/ L2 h/ W4 r- v5 h7 L* ^( x7 P' J3 x7 x
set rand-dynamic 0
& n9 J2 C$ d h2 S) Iend
8 a3 H/ ]0 x# _, |. `, y" s8 D3 y% h
to setup-turtles - z7 v; o# Q. p' o1 C( D8 q: h/ W
set shape "person"
3 L3 G0 ]* x8 V; T1 V4 S- X4 p- ~setxy random-xcor random-ycor9 V! T" I+ c' \; X) {7 C
set trade-record-one []
9 z7 W# }) A+ i- s: i' m& w
4 a9 ~3 q7 T( B% O' G Q$ uset trade-record-all n-values people [(list (? + 1) 0 0)]
" i3 Z* H# Z1 W+ Q7 R0 R" V5 Y2 I8 V9 r
set trade-record-current []
$ V, Y8 }4 X0 Q7 V4 b! h( hset credibility-receive []: {2 ~( L- |) k, a
set local-reputation 0.51 U5 |4 A: S- ?9 ~
set neighbor-total 0
" k9 O: |3 {6 A. H) m) R/ \' g3 E, F2 oset trade-times-total 06 J5 L2 k% y( }0 e3 Z0 }; p
set trade-money-total 0
! i: |! k4 j. q- Vset customer nobody. b' Y% _$ B; I
set credibility-all n-values people [creat-credibility]4 h" _( j# D: P5 K# Y
set credibility n-values people [-1]5 I; j: g1 o0 M C, y! K9 T
get-color8 u& u6 Y, k+ b; D
+ _* J% ]! m9 J% Hend4 V# |& J, ?! [% A- h, t6 M8 E
6 N5 n! `) U ]0 \, m* c- J
to-report creat-credibility
! i; e! N! v! A4 i _4 J- Rreport n-values people [0.5]9 @% O' g7 C7 x1 J& N* g0 b
end
6 z: v9 {- `2 y: M- B1 L( `3 q5 d( ]( j& Q% k0 o( t
to setup-plots9 r) L9 t- x- P i' N7 [
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set xmax 30: ~/ _( j; F z B, X# [2 [
% |+ V4 J5 F* w8 x3 fset ymax 1.0. R6 {' R& ]$ a8 N" v
# A# t0 J5 J+ Rclear-all-plots
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setup-plot1
# N; A& U( d6 n M' A6 }- Q9 v3 h3 \ I1 G4 k
setup-plot24 l* D( c) i: U) K! x! a
" z# c" V4 D7 m% }1 `
setup-plot3 m/ E0 d2 P/ m" m [: O# G4 h( z
end
% s! a2 Z8 J" j
: X! P4 a" X" b' [7 n: M6 f;;run time procedures
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to go/ l7 P2 D, ?- f8 Z r. t2 w3 v
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ask turtles [do-business]8 s" ?3 R; D, n3 S# R& ^& I! d$ p
end' s! W$ B3 h4 I/ h6 N1 e: z
/ s! `3 Z! t( P: m$ o% J) Pto do-business ! U8 O3 `# S% P) D
( L# r7 }6 W+ Y( @& J
5 ]; C1 z# E- C8 v! a
rt random 360
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2 B0 S0 Y) i/ h9 Gfd 1% X" m) U6 i! N6 Q' L: l2 a$ Y
- d: @1 L7 l0 |" i
ifelse(other turtles-here != nobody)[& [$ H1 q3 L' b' @1 u7 J% n
# X, @4 F" f; F: }3 aset customer one-of other turtles-here2 ^( T' w; W( P0 Y
# J. |' ^$ }. n9 `! d% T6 z
;; set [customer] of customer myself2 F2 h& E" B) t# E. u o
+ [ l4 M1 j4 j- v* m
set [trade-record-one] of self item (([who] of customer) - 1)( [) E" R" C- a9 k6 d( o
[trade-record-all]of self
9 F% a {' R% i0 K0 M' s' s;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
" g1 h: u6 p% ~5 U" a( d+ C# c# s6 C6 {' T: q% C
set [trade-record-one] of customer item (([who] of self) - 1)
/ s. [4 i& y9 G2 H[trade-record-all]of customer
; ~# j9 z% _1 U3 M B& z3 K& s9 O) [; Q$ j0 p1 L* f: T1 T
set [trade-record-one-len] of self length [trade-record-one] of self
8 p( Q4 k+ @6 l" g4 d# |- n: |$ Y
set trade-record-current( list (timer) (random money-upper-limit))/ x3 b, r) d W! V1 d0 N
* g( h: X2 X: B5 l# `( J7 z
ask self [do-trust]
. H% }5 l" V$ S2 S4 R;;先求i对j的信任度
9 B) [# m8 P o& p2 U' u" _+ c- |1 O0 u0 S
if ([trust-ok] of self)
. y& G; G, r1 T" E;;根据i对j的信任度来决定是否与j进行交易[
& b) w/ S' h7 i, E3 B# c2 N4 ^8 dask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; m- U2 t) Z$ @ C
8 w6 N/ a1 R8 Z7 l j
[
- y; w5 P2 c5 W5 S: T$ {+ f% s( O8 v* o }- H$ _( v
do-trade7 { i* M% H g+ W2 L: ?! Q m
8 G7 v6 ]. v0 r8 O0 R4 J# Hupdate-credibility-ijl* l- ]8 V' p- E
( {9 W0 X; E/ c& O6 [, h: ?update-credibility-list
% p8 q5 T. ?' e6 Q* `1 m1 O- u3 I5 D2 V% l3 ~9 }4 Q0 L
5 k+ P, x8 D& Q4 o/ p1 V# H$ D
update-global-reputation-list& U! {$ H3 L2 {$ P1 Y
6 G+ W" e, T- L. x2 U& e% B4 c
poll-class b2 v ~9 N# y4 o
1 O0 O6 Z6 f* V0 C* ?2 h8 u* M! i
get-color! }) @, u ~" r" ]
: J, R- x1 Z0 F1 [3 s1 O9 g]]& N2 j: a/ R6 Y( ~
& Y! t' ^+ s7 l. l. u1 U
;;如果所得的信任度满足条件,则进行交易% Z( w; T, V" n2 Q" j5 Z# Z
0 [% \+ G; M0 V! {1 Y2 u
[. \; o; l$ f9 L, }0 `5 X
7 _7 ]& R% d0 V
rt random 3607 ~4 X1 W* ] g7 F$ G
9 v9 ?# {) T3 V9 ]8 T" b7 _7 c, h
fd 1+ T! E. `6 K1 L, s9 f) h3 d+ [
0 U+ @( _; _. [, v( K* {
]
3 A" v |) g/ E4 y+ l6 j* |( l
/ d& q$ x8 F1 u& v; A4 K* C2 {& Z6 U' @end
$ m7 i; `6 Y0 ^9 @9 k& w! c6 a% p. n9 T, G0 w: k7 C0 l- J- V
to do-trust ' ^; `7 l! s! d& W4 c$ G
set trust-ok False
6 U. ]8 C, H! M9 {$ J: l9 D5 K' M3 \. k$ z
7 Y7 O+ x- j2 U% u: I
let max-trade-times 0
' M4 Y3 d$ y* _- qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
4 c$ e1 n1 t! c+ p, ^( h$ Zlet max-trade-money 0+ |9 [6 x9 W; |: ~2 q) r
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ I4 p9 e% x* z+ Clet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) Q3 R5 y2 {+ ?4 U; z Y" _
) \( G/ j) O" S2 ]2 u
* X1 N; M8 V, y* t# s4 J* S: \get-global-proportion
( p; F* i' j: A/ Plet trust-value, T& b: }) F) I4 v. x# t( {% u
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); j/ j0 T' c8 O7 y
if(trust-value > trade-trust-value)
" E2 Q7 E* S7 y+ B[set trust-ok true]3 C! r8 h/ ~4 X* Y! B
end
8 N$ N7 z r z( Q5 V* j2 _. T, k
! g" x4 N. g# ^1 c, g8 Qto get-global-proportion
/ |* `. u8 J) u2 Q+ S* difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# G) c x, x% O( z3 ?8 X5 v
[set global-proportion 0]
5 r9 V, F: r9 a- n; [[let i 0. O% n% G5 G% ]+ j
let sum-money 08 G/ E2 o N7 s0 I# K- G
while[ i < people]8 C: C4 C! W& v3 e% d, Q9 a
[
* t( m7 @; w$ K; v3 t1 b2 kif( length (item i
( U3 G( i: T& O( Z8 h[trade-record-all] of customer) > 3 )* ` l4 e" L; H7 C3 U9 `
[
6 Z; H! Q4 [0 s5 ?' Jset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. k1 y& O1 ]" i# h6 F]7 w8 {; W6 M! K! k7 v) g7 |! p
]5 V% c R. \ n8 Z5 \
let j 0
) b* O9 j* e1 Z7 J5 v; u% Qlet note 0
( i1 ]' @# i( n( N: E. uwhile[ j < people]
, n, I1 j$ i9 N) r& V[
! j# W$ r, c" ?, W% O+ Pif( length (item i4 O. o) b4 U' x7 I* ~6 N
[trade-record-all] of customer) > 3 )' ]. K8 U: O9 A
[
, k' L7 |9 K9 ~$ {ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- w9 A, G7 e# g. \
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ _$ y5 a9 x- O- {+ V7 t6 t" t[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]0 c! T0 D3 a3 s7 V5 c: O- f8 J. z
]
1 w0 v! D2 ~ V5 {3 []
+ I6 a; C$ l: H* @- O2 o/ _set global-proportion note9 v C8 |) _+ _5 }4 Z! k
]
6 \* p+ c4 u0 s! U+ F, b7 Qend: q$ S4 e0 V- J) F( A0 C
?# a# o- l# @5 U6 e# L3 |to do-trade
$ Z& k4 z, }; ]# Q0 J. b1 u;;这个过程实际上是给双方作出评价的过程
h6 z9 s3 c, iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
2 W0 c( D) f3 P7 ?* O3 k! a6 Vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
- a$ J K0 G Iset trade-record-current lput(timer) trade-record-current
+ p7 ?: @9 R) X' G8 s4 m5 X5 d;;评价时间/ g% n8 e+ a2 @& Z3 h8 o9 d
ask myself [# m9 |: H: U" C( Q* u# L& k$ k B
update-local-reputation1 ] M8 r4 F# q: l8 ~- H3 S
set trade-record-current lput([local-reputation] of myself) trade-record-current O. X1 S$ \" h4 |$ q6 d2 S
]
c+ l3 t' T/ u( z( @set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" k3 N% p6 e8 L8 H/ o; S/ k
;;将此次交易的记录加入到trade-record-one中
1 r( v( c& A u1 o+ O5 Bset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
+ @$ y2 J( K+ {let note (item 2 trade-record-current )
/ p& H1 ?! E* A7 t! ^8 J X9 `4 Aset trade-record-current
, v# s) R7 o# N7 O8 ^(replace-item 2 trade-record-current (item 3 trade-record-current))
! J6 B) I6 K7 C( M6 v/ T1 j H( zset trade-record-current/ Q+ [3 }- m' D0 T! L% F+ D
(replace-item 3 trade-record-current note)
5 X- Z3 [. M; u% a8 x
% S1 [8 E; W5 d$ X$ m6 T" z$ T9 z$ w; F' c# D4 W
ask customer [( w5 F. v- ?; ?* ^3 E( V
update-local-reputation
6 j3 C% S8 e6 R( zset trade-record-current
% e2 L/ ~9 ^8 g: ?! ]% O, `(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, J, K' b% @8 O5 ^, w2 d4 L]0 S* U% {2 { G1 l# P
5 o4 y* J1 y+ t9 F# r/ l, m
( A: j7 d6 y# {. cset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: U9 O- R1 e. u
; R# _. W" K* {9 `& Y! C% @set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 _ r0 Z' I8 b2 [% p, v
;;将此次交易的记录加入到customer的trade-record-all中! g( b: @- ]/ `- [! r8 N
end
: Q$ `* E/ n- ^7 {
8 ]% t) m% X: K& Zto update-local-reputation
2 L( @/ i/ s' N% L8 Z0 Y# N9 ^set [trade-record-one-len] of myself length [trade-record-one] of myself
! h) V4 }% a; f3 ?$ Y* j( I+ b3 F/ b4 [6 A
, ?+ `$ w; @) R! E/ v
;;if [trade-record-one-len] of myself > 3 ; {" R$ D4 | y" V/ @
update-neighbor-total
: T" h7 @4 @; X;;更新邻居节点的数目,在此进行% |) u" U6 A' X- V
let i 3# G* x7 x" f5 R; h O2 v0 o+ R
let sum-time 0- J) U+ l4 _2 D6 u7 c# f- e; n4 S: f
while[i < [trade-record-one-len] of myself]
+ j6 w; n# j }+ w: b$ W[, u5 J" i( ?) l" L6 v8 ^
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 I; z1 `4 _/ M! Mset i
2 S2 R7 m; h& d1 |# h" t4 h* i( i + 1)
( J1 H) N& F- ^* B]
6 @* L& r( }" j6 t3 @let j 30 d$ W; ?& C! `0 B+ M
let sum-money 0/ ?. n- V; T! y* B# M# A# a8 w8 w, F
while[j < [trade-record-one-len] of myself]
+ Q- j& U1 l5 O8 c. p7 k) [[; s! D8 x3 J; D$ 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)
7 ]# |! b8 Y6 [ g6 `* sset j) f% h6 S) Z, T8 z
( j + 1)' X* F# Y+ }. x: e7 ~) l
]- V% d' [: q7 { @) a4 I
let k 3
' Z n7 u8 E: c, q4 glet power 0
+ O; c) ^6 |$ ~! H$ o: Rlet local 0
" B! J; U3 u Q8 w$ f; |while [k <[trade-record-one-len] of myself]5 L9 V6 v" l7 e8 E( l& n/ K- e
[3 h! ]7 B7 j0 M$ a
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)
) y0 [* Q1 I$ \; U: y: l8 Bset k (k + 1)
) |: n7 z! ?3 n1 o]" _$ D/ y2 r, W$ u+ U" R) E e* l
set [local-reputation] of myself (local)4 K8 U5 B, O8 w
end
3 }* a+ w% v: i1 q$ X
# b! s- G+ J+ P* sto update-neighbor-total
& V# x* w- M# |9 H& ~; j4 K: _! U# S0 c) a- l
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]& M0 J- i+ C$ @3 ~
5 U1 s* U3 k; A | u! |* y: {8 O
9 P1 E" Y: s5 x& oend2 f: Q! ] m6 e0 l
) K; w( Q0 N/ n1 @8 z7 ~3 F- Pto update-credibility-ijl
9 l0 `3 q5 e; B# l! ~1 w
, Q& t$ I. J7 n& D/ U;;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。4 ~8 C4 Y8 Y, l# y0 v
let l 0! i2 n; k0 w. D# V# L( a7 M, e
while[ l < people ]
3 o3 w+ |* j& ]: ^% q) h7 [# _" k1 Q;;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3 q U1 z$ \4 A j! a p
[
# x w4 m1 i& P- u% k* ]let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ H2 h3 |$ q- b) N; U0 ]
if (trade-record-one-j-l-len > 3)2 G6 O# ~! M4 A' [/ x; \ q
[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
6 a& _! n& o6 H4 s3 k0 B( e. elet i 3
$ K# J0 D' L2 G. s2 Clet sum-time 0/ l: l; S" `6 A# I6 s
while[i < trade-record-one-len]
! I5 Q3 `& F. ?7 {* Y. F[
/ J- e1 y/ `1 `: pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ Y# V2 }& B _set i7 T T0 x- w) q5 F' u
( i + 1)
0 v/ x9 q" O* s0 N5 L- `# p& l3 B] V' ~( D8 H6 j4 ~/ @
let credibility-i-j-l 0
/ H% Y% U) E ^/ V j! s! V;;i评价(j对jl的评价)$ L' \. |, p4 o7 I+ f3 P
let j 3
" b+ j0 V( @& A0 w: z, u5 E9 `let k 45 S5 l# [) }5 _% H0 b- h
while[j < trade-record-one-len]" ^ h* N! m: [! O; T0 g! i2 `
[
5 @! m D( t8 pwhile [((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+ Y1 y& n% ?9 A" w* _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)
' Z) m. A6 ?. z% Y0 _3 _! `9 Mset j
7 s5 s& s( }# {% A3 C( j + 1)
# z1 M) J8 v9 E0 L; d( `], K! a2 i! ?, X3 i. K9 @
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 ))
, C% i& h) i {
) H0 D+ c! V4 z) m: j0 P0 J
; K# E8 Q: A8 N. j$ B. P+ K/ \ elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
( W% A3 } [( W6 Z5 ], s" d;;及时更新i对l的评价质量的评价0 m/ ^, |- P% a2 }2 a) @8 e
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 o& V6 @: h3 e$ t: |( @% w
set l (l + 1)" v7 l ?% R1 w. Y* c# [; k$ R, B
]5 G3 F( g1 B$ A+ F
end* P, }1 g$ Y+ B l4 k9 U
, ~( ?5 U; A( I1 Vto update-credibility-list1 W3 E: V$ b4 P* d- I) d, O5 L9 R+ k
let i 0
# p7 G, {; K1 x. W/ t Zwhile[i < people]9 {7 W7 C% \* z! _& V# A3 C7 [
[& {0 t3 W! N# h v, [
let j 0' T2 I) g7 s2 c+ w' h# G
let note 0
) E/ d- S% r t! Plet k 0
) f# J& w; O, R" w% L;;计作出过评价的邻居节点的数目
8 ~; U5 o1 \, D$ F1 q, \) ywhile[j < people]" \0 [. i' x$ {7 I) H3 K$ b- ^: `
[2 q+ \$ x& }3 \- B
if (item j( [credibility] of turtle (i + 1)) != -1)
1 U! \& T$ h1 p) t& F4 V;;判断是否给本turtle的评价质量做出过评价的节点3 q2 K1 f) M% G
[set note (note + item j ([credibility]of turtle (i + 1)))* @3 ^1 e, O. h5 q7 x6 b6 }7 a
;;*(exp (-(people - 2)))/(people - 2))]
' v- M w& w1 J) T2 v0 Kset k (k + 1)
( | a- G: |( F0 g% @0 I. C& j]
3 M! n8 N7 O8 H2 E. P9 _set j (j + 1)6 X) \0 j5 n' A8 P. a1 T+ }7 ~- D
]7 i; \- `) |1 ^ U8 q7 w0 ]
set note (note *(exp (- (1 / k)))/ k)& X0 W: z* C3 v7 K
set credibility-list (replace-item i credibility-list note)6 D+ K0 t2 }* w" d( b3 D# D$ O; `
set i (i + 1)
' N# E7 w( ?8 J+ ^* T7 N. d]! W$ j- H) N- E: {- @% A& ?1 f
end9 Q* {' S6 Y% X
/ e" X. \- |! ]4 B0 X. }0 _9 \
to update-global-reputation-list/ v/ g' V8 b' S
let j 0. y( U$ a5 s8 z, {$ s
while[j < people]( }2 ~+ z$ H& U6 E
[
( z5 z" s& M1 H9 j4 h% ^let new 0
% u+ j7 z7 d3 f6 P6 v j! S% ];;暂存新的一个全局声誉
$ D1 H" g: f) J9 i; N1 U A$ zlet i 0
$ u" l+ v Y+ M8 E4 v5 Zlet sum-money 0
6 \1 |! f0 ~6 K3 glet credibility-money 0
# ~# x, U3 Z0 [% |- Hwhile [i < people]
. q; `# H9 f' j6 U# ~! P[
Y2 l/ Z# k7 [- m+ b$ [* z5 nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 l5 x7 P9 N, j4 Vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). B0 B/ P( q$ f; ?( G* i' x
set i (i + 1)
. M+ l M/ @& k' F1 i8 F]" H( g/ W0 h+ z* B2 l- ]
let k 0
5 C* C: \: s' E2 \/ xlet new1 0
# n0 B+ p! r; m* A" mwhile [k < people]
* p5 t! w) ~3 R* G# M# M& S[
" m/ K. \7 l* g8 A9 `( Vset 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)1 `% | E F- o: g3 V: x, y5 W
set k (k + 1)
9 C5 x% f% j( Y( n]
# e% S1 R" G, c: M: vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) & U! O" q, f& x! V9 G0 |. Q
set global-reputation-list (replace-item j global-reputation-list new)
; R: v6 Y. O9 J1 g# Sset j (j + 1)/ N" c7 V, e: }- R2 x& P) j
]
, ^5 ^( y( p; x( u. C0 @end
% E, G$ i! R2 b4 u8 D# x; y+ R* s, x {; D+ R
$ |: ^9 r% i, s* h9 V8 D
, n& H$ f" _+ z' ]+ d4 l' N5 t" Oto get-color
( C5 K3 k9 ?& G5 J8 a2 N7 W2 D
+ Z$ k: v! B# S" \$ o/ p3 dset color blue
' N7 }6 f9 z- z$ W. N) B6 F3 k3 ^end' N/ ]; v( r7 B1 t# @
+ R: m4 m- g; F/ E' T, O. U
to poll-class3 X8 ^/ R& S6 d6 ]
end b: p$ U& w" W6 B% x, R
# O7 A H# y( k, l0 B: A
to setup-plot1" ?3 j9 u' ^; t. v2 p, J# _
/ Z+ |5 {! Y; s7 B4 y+ S( a7 }set-current-plot "Trends-of-Local-reputation"
* [/ E- o9 l+ x, U0 g; {, R! R: _7 y4 t
set-plot-x-range 0 xmax3 v- j$ K A' B
. g4 l. L3 H: d6 o5 E; Bset-plot-y-range 0.0 ymax
9 c# Y) n( e0 }end
; J0 c3 y; z- o% ~3 R3 Q- f& F4 L7 m. S: d, f; q
to setup-plot2
) S0 [7 r2 o/ b9 y6 Y0 k' g# t& \6 C
set-current-plot "Trends-of-global-reputation"
% {( U! B* z; d0 P H7 r9 C# }. f3 d1 N9 d- N9 e* C8 _/ s/ A
set-plot-x-range 0 xmax3 ]$ A$ ` O$ K4 `; m
; Y; A; V1 }( S( g- S& mset-plot-y-range 0.0 ymax
" M+ C3 F/ J5 y3 aend
0 h# r) |0 M4 \# d, a' \) H0 c- T8 `6 I( X$ V7 Y% v. |
to setup-plot3
' X' Z g; [# |' r
! p- P% i* O3 c: lset-current-plot "Trends-of-credibility"
5 s7 Q* Y, | v( O0 t# D; w/ d' Q( Q/ t; z
set-plot-x-range 0 xmax7 v2 O6 z& T4 F- ?* n: B
) C& Q( m9 }1 @- k6 B X2 p) B Jset-plot-y-range 0.0 ymax t: I0 T6 y$ f c" [9 W* q0 f
end# o* d% x) n; e% Q5 P3 I
" m0 D, X8 E" O* j7 M' i. C7 I' N# Ato do-plots
' t$ E! B' z1 \) k+ _* Dset-current-plot "Trends-of-Local-reputation"
+ k I$ q( r( e: j7 M& k$ x1 ]7 jset-current-plot-pen "Honest service"" Z/ T% c# N9 M! G
end0 x; C7 M3 |2 Y- p: ^. j
2 {; Y6 u. |' I' t
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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