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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
0 F2 q3 m. W6 r+ @/ P/ Z8 Aglobals[
- }2 d* ]! E% t$ S" M/ z* ]xmax/ T( j2 o2 w5 q1 U8 X- J
ymax* p* ^2 M8 e+ V# N6 C3 w
global-reputation-list! ?$ |# n% t) G
$ Z- c: J4 {5 {
;;每一个turtle的全局声誉都存在此LIST中
: V: R& O6 F/ e8 K. vcredibility-list+ Z6 x5 x4 [% N! `# G
;;每一个turtle的评价可信度
; O/ Z- ^0 v. ]2 p+ a' }3 k$ v2 Phonest-service
1 `0 X$ l2 n1 {/ Y! cunhonest-service( y u4 a6 s5 k. S) Q" t M n
oscillation3 B4 k+ b' p: W, r5 T. e1 p
rand-dynamic
6 i, n5 q, y4 n& E% D2 f2 C0 M]1 O6 t% ?7 _$ |
! E( D8 t V0 ]
turtles-own[' x/ ]2 p6 A# U" z! N# l7 v8 h
trade-record-all. U: T# r0 s$ ]- B4 \
;;a list of lists,由trade-record-one组成2 {& s' M* x7 k7 C' U' e
trade-record-one
( r/ Z% I" k6 {* j5 l+ I;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' M4 ]5 b' h& {0 _
9 S0 }% h% {! t, e: N; @;;[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]]
/ W7 a& c) d( y7 y9 k+ Ktrade-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]& m' }' I1 }8 n* e# 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) W7 T' F0 Z) A9 M2 W& K
neighbor-total
7 `6 B) {1 b0 X! I: r# G5 _;;记录该turtle的邻居节点的数目
+ a9 U, m \& k. Ptrade-time9 c6 D! B) `" [; b `! m6 p
;;当前发生交易的turtle的交易时间' I W# ?$ S0 Y" Q: m
appraise-give6 W5 T6 s$ T' e" z. `
;;当前发生交易时给出的评价
; u: a6 h1 T$ w* J" X/ cappraise-receive
/ y. ]" Z+ }- l, b4 t5 \;;当前发生交易时收到的评价( p4 K% f: ^" g% J6 ^$ r/ W, g
appraise-time4 h+ g7 V) e9 |$ g6 W1 K$ h I
;;当前发生交易时的评价时间
7 w5 h2 o1 H5 {8 Vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉0 A' w/ k1 L: H5 M' F" e" H, V7 \
trade-times-total
1 ~5 R6 ?2 n/ }: l' S: g;;与当前turtle的交易总次数
! e! {, _) p+ D6 Gtrade-money-total
$ P4 S1 o% m( z- E" Y& u4 o \;;与当前turtle的交易总金额
; H2 b4 u2 b& P7 A* S) clocal-reputation- D, M2 L$ R3 O2 _ ]
global-reputation
4 @: b+ H7 e% m) b* ycredibility3 n9 |5 p0 m4 D" E5 C0 y, W
;;评价可信度,每次交易后都需要更新
- P$ J; P; d+ F: W! ]credibility-all$ y% [2 Y9 N3 H: Z- f% ]+ ?+ y: w8 H
;;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 W1 m4 X5 ~) n5 a4 O
! \' u& W# Y9 O9 T' T$ R;;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
! l; _- ]; x. p0 h2 y; a: Ecredibility-one- O$ W- F* 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; Y7 U3 b/ K! _. f' K. I
global-proportion/ {7 d+ o/ ~( z* M
customer
* w! }+ i k( e0 U+ ]. B4 @8 ^customer-no4 ~, j- R; q) H
trust-ok
3 V4 a' k, V; k' H) t# etrade-record-one-len;;trade-record-one的长度 P! M! Z9 Q) T. f y6 w6 U
]! @3 J! U* Q9 y8 _
8 z* D1 |8 s0 m/ h x8 _;;setup procedure& @ L) Z" J* V
u, N9 Q; G3 f2 b, }; C
to setup3 _ R3 l) W7 o* S q. k" X! B5 o' E
. k( B' _1 F3 G) fca
9 A" A) J# q c A. U8 _; Q7 y/ Y3 d: a) \ z' q' l7 ]* O
initialize-settings8 F# \8 ?6 o5 ^( s& G, j7 N( U
8 g; ^7 O, g& d# q' u& Bcrt people [setup-turtles]
" s7 ~9 H d9 G. V' M* K5 U8 b
+ C7 m: @- |; n, L6 W) lreset-timer. T+ v* C0 D( `: }* C1 O
# F+ y, Z0 O$ Fpoll-class
5 T+ p- z K6 z, y+ c+ ^9 s3 x( S4 H' f- a& R9 J
setup-plots
, ]( \, Q4 \9 g! M: G: Q6 |7 t
- K+ s+ r" A6 U# E9 I2 Ido-plots- Z. D" U6 h7 x( O. ~) k! \
end
/ V7 ]) V3 M' f+ e9 Q- ?$ l5 z, |9 L3 n# m+ n; W- z
to initialize-settings0 o1 D9 i7 J# N6 E; S
. ?: v# o# X. c$ n Hset global-reputation-list []) K8 K( s$ P* R7 X. K
; l6 _; U: o, C! Q& g6 T0 Q
set credibility-list n-values people [0.5]0 |, l3 Y) U/ c1 Y# Q( ?
; R' d$ N K+ H# n0 j2 \: oset honest-service 03 Q' a- u% b- S
0 ?! U7 n( ^* }) ]set unhonest-service 0
+ c, }; q+ ^" W! u- ]' s
$ a9 f. Y3 | B' C; y8 xset oscillation 09 ~+ t; F: ?- D# @ q6 i
: g0 ]# K- y2 v: L" s* pset rand-dynamic 0
' ?. k( X) w7 rend. P4 m! a# i f3 T
& @1 A5 t" ?2 l- ]$ x$ S
to setup-turtles
8 Z) T* a' d* O1 U3 t+ wset shape "person": s1 w" r8 v; _: r3 O5 [% {
setxy random-xcor random-ycor
0 d# O) Y9 U% t0 fset trade-record-one []
' Z+ O$ z0 Y9 k/ H5 S0 u+ l* Z
) m/ a2 y; ?* k) }/ X' W8 ?+ @5 bset trade-record-all n-values people [(list (? + 1) 0 0)]
. }$ g( ]$ O U+ R, h. S- f
# G4 D9 F/ F) p- `set trade-record-current [], ]. v, J, ?: r9 {& q
set credibility-receive []) \: F' ~* O; B4 N
set local-reputation 0.5
: u% T, h6 D8 `( u1 gset neighbor-total 0+ s) l: w$ r E2 a# r9 @. g
set trade-times-total 0
1 h/ ]8 Q6 f2 M& Lset trade-money-total 0
$ \! f9 U% a4 ?2 M3 rset customer nobody
# H* v6 {. s9 ^2 Nset credibility-all n-values people [creat-credibility], h! v) _9 _% {* z$ O+ T6 U% C
set credibility n-values people [-1], A- k# Y1 O+ c- X# s
get-color
: i+ J: P9 V9 o# W. N3 o1 G: d0 f, w% Y: b' h. I
end, u$ I$ r. p, c8 l& }
5 {2 \: x J$ t r/ Sto-report creat-credibility
3 Q/ T! c, f& ereport n-values people [0.5]7 ^7 F* ]. f4 w
end& w/ A: r- \/ e& S# p5 q1 ?
4 p% \$ U, _2 S2 ^. C5 ~8 N3 lto setup-plots7 }5 T/ Y" W( J! ]7 K& y3 M+ n( L
& ^- R. |- P# Q: ]! b* s$ a8 k
set xmax 30
4 A' N2 j H# T: V$ _1 R; |) [7 p6 I6 N
set ymax 1.0
9 ~) S; E; Q6 K3 |* T
* d3 u+ x4 D" B2 V. qclear-all-plots/ B/ G7 X, a$ ^4 Y4 i
+ X1 t6 J7 ^; P$ e5 Esetup-plot1$ b0 ^8 x" t& J: _: Z& n) O x
" t9 i6 \& l9 \* Fsetup-plot25 F$ |) D0 P" k& }
/ D: g7 B/ G2 Q8 fsetup-plot3
9 p5 \! p( S: Y" [4 {* Oend- @' N* A6 ?1 o. e0 |9 b
2 Y# B) y! ?2 q
;;run time procedures( M9 W( ]( K2 b. n# ^
& a' p3 P, \1 c7 S- l6 A% J
to go
p! y& D& j8 w5 _9 C9 }# z: E* H8 O
ask turtles [do-business]/ Y9 Z' i9 ?1 F. V& E9 E# _1 s# K
end
" v8 u# H; x. i8 U5 L' H& j8 c$ g( m1 l
to do-business
0 H: m/ U8 p) O4 [) g
0 n) ^9 ]& B: e6 g* o9 O- c: O! B
$ r! n7 ^4 i, X3 X! N% u1 ^; r% crt random 360
5 S8 \2 n' ~6 e5 r7 ^
( X6 z1 o- w, jfd 1
/ v2 h8 n$ k8 C: q5 G
. Q% u) [7 J0 d' e. aifelse(other turtles-here != nobody)[% ^9 b: o" Y `
9 D7 ]8 v5 _3 K% q. {9 j+ qset customer one-of other turtles-here
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;; set [customer] of customer myself
9 | J% G C- P: O6 F
" B& ]) h# z5 W: dset [trade-record-one] of self item (([who] of customer) - 1). G! U0 T% x6 z8 z; ~
[trade-record-all]of self
, s' W' {+ t$ A; r5 x3 l;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# F4 g' O. C2 z) X0 V
3 L$ P7 x v9 `/ h, Mset [trade-record-one] of customer item (([who] of self) - 1)
: J$ s: q% _2 Z4 e[trade-record-all]of customer- I8 w1 a! w5 [3 y: H3 X9 ?
; ?, Y ]5 o; t2 `+ Eset [trade-record-one-len] of self length [trade-record-one] of self: j7 |% E# g; q
6 S* e7 A! L. D; S7 j
set trade-record-current( list (timer) (random money-upper-limit))
! F6 l/ r% f$ Z9 w, G# E9 \5 n! o: }9 G. z) G1 \
ask self [do-trust]6 m6 |$ y& d* @$ E5 n1 e
;;先求i对j的信任度
. H+ \8 h( I$ A6 a4 t/ V8 h
s1 I, w( D# O" {! b7 ]/ w+ Bif ([trust-ok] of self)' l: L) ]% q' d: ~: [
;;根据i对j的信任度来决定是否与j进行交易[7 b$ c, u0 \1 b- a
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
6 u' x; e4 k! x9 e
0 U) d' {8 U8 F( T2 d* h3 w( Hdo-trade
# i9 I( U* s+ J
4 j" d! x% J" F2 S ]update-credibility-ijl
( P5 m1 g7 y& I& j' t' c) r
, u0 ~! }, A4 {+ hupdate-credibility-list
" R# v% S1 m2 J# y
! n* [* W" _+ X6 ?# E6 [5 r
+ ^* X- H/ D4 r) a; w2 J, }* Qupdate-global-reputation-list
: R/ P0 ^7 x z- v
; k- C1 h3 x! K' bpoll-class3 _+ S0 M2 k' n2 O
1 N2 [# q6 g6 f) R9 Oget-color
. @: N4 f( ]9 r& [3 U- @7 v9 t# N2 @+ k, ]" H) y
]]
1 U/ P3 x1 a2 U, v1 P6 l! m& s! u" }9 ~" L9 Z
;;如果所得的信任度满足条件,则进行交易
9 |: m5 J9 J4 f' U$ F' V; K5 _) ]1 n+ m, ^0 j
[
& k# f8 A x. i" z e. y+ H$ M; h( Z+ ~4 ?* C# W( {0 t
rt random 3600 K" Z9 O; {) m B7 [2 t) v
" O" k; i9 }! a9 q
fd 1* A; |3 ], y( J
9 \, P/ d$ f8 X]
. ^# N6 b% O/ h- x
9 X5 o. k5 l! G/ uend. o" o8 F* ` u) {" w+ o% A: i4 b
4 S1 R+ _& G7 C8 O8 W* ?to do-trust 8 w A" ] y6 A. _" Q3 Q$ E
set trust-ok False' C% y" [1 E( M5 }
. Q* l5 ?& E5 @5 E; I! z9 d/ i! z
6 m5 v+ G6 J( l& Q9 O" J8 n8 n
let max-trade-times 0
/ B* h: ], j/ A9 Y) {7 e- @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 @# w2 e, ?/ B @5 `" }/ n, V# R
let max-trade-money 0
! C2 R m8 ^2 U4 M0 @( Y4 Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] I6 F! \+ ?" k- P1 }
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
]3 h; B0 B4 \1 `! H8 j1 I- U: b2 D
. P; ^8 p+ r; \2 D# a/ ?7 Eget-global-proportion" N" ~8 n7 v/ p
let trust-value
$ _+ t) @8 S/ Q$ s" d e# elocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)' x# G! Q6 R, }+ _6 ?0 u2 Y' C9 M
if(trust-value > trade-trust-value)
8 a# ~4 C' @3 n5 b! A; {[set trust-ok true]
S1 d5 @4 Z# x4 Z9 P' Y4 S2 Uend9 h2 Y8 O4 [3 V3 G& Y
: E& X( I) f5 F8 V
to get-global-proportion9 e5 ~( f( ?1 S/ v; }" @
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# Y. s; X* g$ O. c
[set global-proportion 0]0 T. y: K! v' j, x* v5 ]$ V% C
[let i 0, H7 {! S8 N& N4 j; m6 T9 i
let sum-money 0
3 _9 ?$ L8 }$ K. m- Q, `3 [! ~6 t1 Mwhile[ i < people]
5 O6 j: X! l# T) P! o: g. w# r[1 t. Z% E! ]& W! n1 P2 m
if( length (item i4 ^/ H* D2 b7 W$ M
[trade-record-all] of customer) > 3 )
# z0 D$ s3 h. S. O ^6 m4 Y[
5 Z2 |' P8 M1 sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 z* A, m0 b0 S* A2 ]/ @9 ]/ O
]0 Q0 J! x1 r. v( ~
]* Q# _! F7 D! q( p* ~0 |" p
let j 0
# }% M9 m. d; g+ R( Jlet note 0
3 X0 X2 e$ k% f# Y, S) r- iwhile[ j < people]
# m9 s0 S4 e# O[
8 ^; S" j$ u+ T& pif( length (item i" q1 K1 {2 ?& M- \' V
[trade-record-all] of customer) > 3 )- r/ k" a$ T; A/ t4 ]- @
[9 m& D! v; ]. ?5 t
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 T1 {4 i* F2 Z: y5 {6 n[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]6 C0 O" F# U+ M/ a* `7 ~
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
# g: L! }4 g f3 r" G+ M5 z]7 J8 D: Q; v+ v: K! f
]- E8 E) H3 \! P" r" @, w& O# G
set global-proportion note% x. `9 e7 f7 _* o( L7 W
]
" L- f m- P3 _. T! G: jend
0 a; c; }, G; y9 O( l# w, D3 h+ D% |: r, `4 I# Y4 T5 U' Y
to do-trade# m# A6 ` t7 B1 H. p2 R! t( _
;;这个过程实际上是给双方作出评价的过程 }, r* E9 ?9 O. u2 q2 G( Y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 r4 ]: f$ T1 l2 _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 a, W: L7 h/ |% Iset trade-record-current lput(timer) trade-record-current
( r: X0 u: U5 z& L. r% B7 n o6 Q$ h;;评价时间) R: y* M' ~- i0 x. U" [
ask myself [
# G# m( _# p2 k% [, \ ^8 ]update-local-reputation
4 f" s {7 s( g' V) G& H, uset trade-record-current lput([local-reputation] of myself) trade-record-current
+ V @5 r; i1 F7 [ U) f]
: z% n7 t9 a) O+ K4 e/ ]6 X( Eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 }/ {2 G% O2 A;;将此次交易的记录加入到trade-record-one中
3 c4 W. H, M$ j7 |/ \7 x1 U1 d. Wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& Q( \2 d& v! t0 l2 M, F$ @
let note (item 2 trade-record-current )6 ^ d8 j# K1 B- g
set trade-record-current
+ D! R, s' S7 o' @, w# V(replace-item 2 trade-record-current (item 3 trade-record-current))
0 X) z2 B" B0 E5 Jset trade-record-current7 s& c6 W7 ^9 z
(replace-item 3 trade-record-current note): e$ A+ K2 O9 Q2 ^# h+ \- n9 b
& U. k9 m( e5 z" N! S
# r. q1 q4 i' w( N+ I4 D' Zask customer [
, ] q4 G o7 h9 z( pupdate-local-reputation" L( i2 ~/ @3 \4 M1 [. V& C: ~
set trade-record-current* Q4 F, l6 ^6 G. h. K* J8 C
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 }0 a) r* k5 G0 }: t4 e6 R; Q4 I
]% A* A8 }) G: ~5 T9 B
' K' J! v8 `( u: l+ v
) V7 T6 J; V4 }$ }
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
& V5 `, T" N4 P3 \
% j* T6 ~* }% O/ a e! a: nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
+ `. u7 k' v2 Q* j4 ~;;将此次交易的记录加入到customer的trade-record-all中
; x! D4 @5 F: {end! H: _9 J; k' ? \& l, T; @4 U
y* u3 J; R1 d7 dto update-local-reputation1 U! ] i9 U; \0 o- n; {3 A
set [trade-record-one-len] of myself length [trade-record-one] of myself4 f1 Q! j' F/ n
1 m6 w, d) s7 h
8 {( ^; c% p. c# E% E* s0 p; T
;;if [trade-record-one-len] of myself > 3
) q- J. y( J2 Y* kupdate-neighbor-total
" T/ Z7 Y$ Z9 P9 M1 |0 s;;更新邻居节点的数目,在此进行
5 W D$ K2 T( a- T' _* Z. Olet i 3
' B+ k2 K y, O, c- l; o7 nlet sum-time 0+ B5 N: `8 W. k0 {. H2 O3 E2 a
while[i < [trade-record-one-len] of myself]
3 t, t; Z z, x2 U; I[% f- c7 X( D3 e0 J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
; r( U3 \5 C8 m0 a0 J$ nset i
7 s+ c9 D7 o% r4 t( i + 1)5 ?$ c4 o9 F. A+ t4 v7 A
]
- P6 k7 H) [* r5 z4 S( blet j 3
% X5 y2 X6 c8 n7 \3 ^let sum-money 0
. c! E- e. a0 X! Pwhile[j < [trade-record-one-len] of myself]
( O( L4 O3 B, `9 i, a3 H9 x[# e- ]3 c6 U' J- {
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) C. Z/ Z2 |9 z5 r, ~# x
set j# D' b' k- \6 E& Z1 }/ _
( j + 1)
0 V5 D4 t1 y$ z4 s' c4 }) ]# H]
- V8 J' Y2 d" ^: `) t; t; q0 _( ~let k 3
: R# c5 B6 j, D" Klet power 0* m; v4 w& j* g* a. ?
let local 07 u: [% t, O6 V9 J f) Y8 j( H
while [k <[trade-record-one-len] of myself]$ Y, ~# L. p7 V/ G: }7 X0 I4 u
[
- Z& U) `% k3 P4 N; qset 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 D3 d7 H& P2 k' _1 R& p1 Fset k (k + 1)' i' \1 b- l' R6 w7 H$ _
]. {$ K Y, ` B, H% d
set [local-reputation] of myself (local)
3 ]0 w* h. n( Dend
- I9 L: N) B" k$ w' {6 r/ ^4 d( E$ h! }$ L7 n2 \" J O% }
to update-neighbor-total ]8 S3 _% z! F% f) P* f( f9 W& |
7 w3 [" T2 B1 S. {9 jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ U9 q% z2 D$ `' `6 V# F
3 e+ K: w9 _3 i+ @
; r. u4 Q# B; d' u/ Jend' K* Q& i* e% x" W8 |7 ?
_- h4 w7 Q2 J. E
to update-credibility-ijl ! K$ x! U8 c1 q# K1 O3 @" Z
: K* g( l0 i4 [
;;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。+ _8 n' B5 L5 C& _
let l 0
+ P6 X4 y$ Q4 j$ G# Dwhile[ l < people ]
, E4 a' ]$ H G* Y;;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
0 B6 H( ?! G* C- k2 \[
' b* w8 u d( ^0 Z+ |, ~5 I6 }6 tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)* S) P1 _% {4 e) r
if (trade-record-one-j-l-len > 3)
3 ?' t6 q! G, b0 v( b[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-one8 W" z4 J( n: u: ^5 g* [+ Y% B6 T$ k
let i 3- H! B% Z. p) Z* ?7 v# C$ I; j
let sum-time 0
8 w/ P; P2 r4 h9 o; Nwhile[i < trade-record-one-len]9 X0 ~# X$ v, V: N" l
[
9 y; m* s' |- o/ }) O; E& f5 Bset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 Z" G$ i ]' Q) O" Z2 h1 o; g" O
set i5 V0 H/ e* e4 v& \
( i + 1)1 I# g) ^. _4 l& l% `
]3 T: g/ T E3 L, U, F- Q
let credibility-i-j-l 0) z8 M4 z# P6 d- Q# Y% k
;;i评价(j对jl的评价): T6 k- v6 b+ e8 k% ?) a
let j 37 U. _4 W/ {: x: j1 l2 Q
let k 4
6 P/ _8 E# [. i5 r: m) ?, e4 A3 }4 Bwhile[j < trade-record-one-len]
; n! c0 Q, Q) g' _; J6 s# ][
7 e' T; y& g% W0 B; p' n, U) 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
4 m0 O; E& D) J5 z! S, \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)
S2 i, ^; m* x& x$ ]set j
; W9 o/ q; X7 o( j + 1)
- P% ~! f5 n' y# F4 b9 N]6 B# u* I& P* N7 r$ n2 d
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 ))
, B& t1 Q7 X1 w3 C, ^
% \% a) z$ Z, T* q3 j, s5 ?4 R/ Q
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' v2 N1 S/ j4 k8 O8 @4 N;;及时更新i对l的评价质量的评价
* l* i1 }! ?: T6 U) o, D* dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' r4 r: z' E( d3 m5 m+ Wset l (l + 1)) W& x9 z% u$ }+ z
]- B' E! ?+ z1 |7 j. j' Z
end* f- m: E, e% w
0 ?. R( a e, d. Ito update-credibility-list0 i4 l& M9 T5 H
let i 01 k r- H/ V5 I
while[i < people]# J9 d1 x5 E; D& }! K/ B4 O
[1 ^$ h" J/ z, A% F7 t- {
let j 0
5 k4 k8 I m8 L- [: y0 ylet note 0' j4 x& X& Q5 F: O; n. |* e
let k 0
) f: G3 h+ n+ h# O;;计作出过评价的邻居节点的数目 W0 k D* I6 s8 Q: P8 G l7 E
while[j < people] S2 u8 P: L, p" ^( w- j+ p9 p
[9 X% E/ i6 i$ b7 z
if (item j( [credibility] of turtle (i + 1)) != -1)2 w3 D1 Z7 I' g3 v9 w
;;判断是否给本turtle的评价质量做出过评价的节点
8 J7 C L, h9 G+ o- Q[set note (note + item j ([credibility]of turtle (i + 1)))! b. A ]# e( X# L
;;*(exp (-(people - 2)))/(people - 2))]
; s7 h' d5 S% V9 T0 \. ^# ~set k (k + 1). m) M- Y, Y# R; }& f" b; k
]
& h$ K) {. Q5 I" q, Uset j (j + 1)
; }1 v/ @, g- q/ w# n$ S$ _3 E]1 B9 ^/ \. R" ] G' G- G8 I
set note (note *(exp (- (1 / k)))/ k)3 X' `) `5 T# i3 X
set credibility-list (replace-item i credibility-list note)) z/ I, q& [$ g ^+ N
set i (i + 1)& D [4 e* }( R/ n
]( s7 b" f& M. C1 s7 v d
end
( p8 }2 ^' M8 {* g5 i/ `9 }* v. K+ e9 T7 e
to update-global-reputation-list% h) {0 C- Q9 w1 w
let j 04 j& n' }2 }/ \ Q
while[j < people]
! {) x2 _ q) p4 s0 M/ K3 p* X+ m[
$ ^0 {8 k$ Z+ {; h7 Y# q6 Blet new 0* y% l" m& ?, [- L" S9 X* ]1 c& g
;;暂存新的一个全局声誉$ g+ a( X7 @/ C8 |6 m
let i 0! J7 W; x1 Q5 U0 i8 J) ^# W; J4 b
let sum-money 0
1 l, C6 J: P6 m9 K* Vlet credibility-money 0
9 y* B+ H7 I7 iwhile [i < people]! O4 U1 \0 X. \8 V# Z; F3 h
[& |' r( e& f' D/ i' ]( L$ d2 |
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# k$ V) t w0 e1 p- u" Uset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' B1 e, N1 C5 c- L0 Fset i (i + 1)
; {6 b& ?# M+ ~! k9 u, {9 n]! l1 V% x- ^% `# N* s! d: h4 E8 p
let k 0
+ e) i4 z+ f7 vlet new1 02 ]* A5 a+ S2 r% @8 F( u0 y# f# m
while [k < people]6 d3 J; U1 |' d
[
( O" ]9 F3 ~- {0 oset 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)% b# r7 F, p# w4 I- v8 t
set k (k + 1)0 [; K/ L& J" j6 Q
]
' ]9 a, \4 K+ e7 Y Mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 7 b( l, j: ?0 ^. j. T
set global-reputation-list (replace-item j global-reputation-list new)* G6 f2 s: s2 L9 n4 \6 w2 J' k% n, b1 {
set j (j + 1)0 a% ~9 z+ o- x& T1 @* _0 l2 v& c% Y
]. ?0 v. K" }/ N, b' C1 z" B4 a2 ^
end
: F- _, z4 B3 B# @3 f) I4 n) Y5 Y9 `
. ~* W1 N# w: b( n4 A3 m# A/ T1 `* e* f- a* R2 g4 y
2 |- [5 H/ U9 K8 x9 D1 w% \0 wto get-color
6 G7 S! @- T$ R$ `, [8 A1 g: _9 _# c0 S+ P; y
set color blue/ p( E/ `, Q1 A: M, E
end
# ~% q0 n8 W/ g, B0 W- G% p% V$ C) r! K
to poll-class
* v$ t; z$ C- h5 N3 z6 Nend
1 w l# Z, Y- z1 k% v3 \* P5 P) D( n4 |: C& R8 I% W( m
to setup-plot1, n8 X0 }7 Y; u
2 q& w0 b2 U8 L X2 W7 W: Qset-current-plot "Trends-of-Local-reputation"
6 M$ I5 P V$ C" p1 f, L6 e' n/ p9 v4 F) G6 ]! |% N" U
set-plot-x-range 0 xmax6 E0 Y$ _ Z+ n+ H
$ x- N6 T1 x3 Y; `. e: K/ h
set-plot-y-range 0.0 ymax
, g; i) t" `8 t7 eend7 m; b% |. l; s6 C) m# ~, ?) Q+ e
% q; G) F/ a& f/ V8 ^to setup-plot2
( R" m! ?9 N3 d+ Y" L+ [9 X. v* l
% M2 \5 A% h1 g. h5 R* k ^; ~7 Mset-current-plot "Trends-of-global-reputation"
' w3 M* c3 l; r* Y
* e$ v W5 e+ S9 C; k: K0 j& F0 dset-plot-x-range 0 xmax6 ~4 ~" d( {3 Y# Y3 h3 T
6 F+ o4 @; f, Q4 k+ kset-plot-y-range 0.0 ymax+ }. }* s( U# W) ^. G
end
, h4 h& H$ f) ?! R8 R$ d9 k. w" u3 X6 C% D/ R/ I- |7 @6 T( Q! G; Y4 a
to setup-plot3' K; ?) [. x5 P0 Q/ }4 |
, ~+ G1 Y3 x& N. Dset-current-plot "Trends-of-credibility"
/ t7 t; M" Y* O% r. V* ?
9 _1 F' F* U" |3 W7 ^: nset-plot-x-range 0 xmax
8 H4 ?( J( N4 `( M$ U3 A# O
6 o8 j7 k) o( m" iset-plot-y-range 0.0 ymax
; t4 c4 r) M8 h$ w# dend
! G6 f! R% _2 s+ ?
9 d& l V/ E+ @8 r. lto do-plots7 V: q* `) K0 ?# O( |9 L0 `
set-current-plot "Trends-of-Local-reputation"1 o. f( ^8 b: V
set-current-plot-pen "Honest service"
* r4 b% b0 ], ]; Kend& ~7 q' F [3 c) F3 Z |" i, Y; @
, I$ y3 _( j e' F1 I" i* \" R {[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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