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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! L2 c- {# _8 F
globals[& f+ J3 Y: a- n+ m
xmax
+ V$ p# b/ E+ xymax# o5 v. ~: g( Y7 ]1 X* d" }+ d
global-reputation-list' @/ M* n x1 L( s0 _- F5 C
% y: m! d+ ^; s# C, V& g;;每一个turtle的全局声誉都存在此LIST中6 T3 o$ s+ W- Q- k
credibility-list: V" b- ]( K) K+ Y
;;每一个turtle的评价可信度
# C+ I! c+ f! N lhonest-service) _% X7 U# b) Q& s4 |+ _! ]' ~' E
unhonest-service
- l0 n8 T# N5 H! F) H7 Yoscillation
0 ?+ {, M/ j& u/ s1 b% Frand-dynamic3 U. h8 N4 \! R2 d
]
* J" I$ \2 i8 B6 e0 Y3 m
& _) B: g+ K/ D$ kturtles-own[
- X6 r3 y4 ?# }! W$ p! ntrade-record-all$ n# `1 M* q0 h1 m
;;a list of lists,由trade-record-one组成
' Q4 V# [( u: }, Jtrade-record-one
' Q" Y0 B. H- l;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
( `5 Q+ T9 u& s0 g S1 j! r
# i) k6 R; l; l+ }% `7 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]]* o6 u8 m P( e* H% M O) C" h
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 G2 n" H% }2 E3 c
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* r; I1 R* ?8 n8 H& w( ^; f
neighbor-total& U6 J5 N. b9 y, i# h; |3 U( N W
;;记录该turtle的邻居节点的数目2 o/ B% e; m1 n. ~( W8 }8 p0 b6 _
trade-time
. p5 }' o7 }5 l;;当前发生交易的turtle的交易时间
* k" X/ [- [5 d n h. ]appraise-give& [+ J" J5 m3 [" }1 F' Q& q
;;当前发生交易时给出的评价
' t3 h N9 w) h+ k8 V8 ]/ Cappraise-receive
|1 M8 ?. v) t$ W9 E;;当前发生交易时收到的评价3 U, k" F$ U: ~5 n' o* K
appraise-time( g3 p( W% t7 [; T3 X. `: n
;;当前发生交易时的评价时间
2 n6 x: C6 |9 R0 N/ glocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 j2 I( l/ P# Y" o7 O) Otrade-times-total8 a- i) [) E/ J( W9 U9 o
;;与当前turtle的交易总次数" u/ z$ V. S2 j% [' S* k# N! g& {
trade-money-total
0 z* b, g* C( t5 \- N- V;;与当前turtle的交易总金额" W' D3 W) S0 H$ {5 _
local-reputation
# W6 q% O3 `3 |! |( X' gglobal-reputation
4 ~1 P" k+ e; ecredibility
% C& l# e' ]$ U0 e0 ?: N d;;评价可信度,每次交易后都需要更新
' x0 Q7 v8 v8 v6 J0 p7 [: e. x' ], zcredibility-all
/ B' R+ e4 d8 _/ F) A- P;;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 s' p" c0 f+ |4 ] D5 @4 s4 K5 i
; \% Z; N* d7 ^# h2 a* t& g: L$ Q;;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
! _# U7 I& D* G6 s6 y+ C) dcredibility-one4 f0 r1 g" k, S) U" k4 M% }
;;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3 @+ } r' f ~2 q$ q5 @. X5 L
global-proportion
. R( ^5 f, `8 u" c: h" [8 g0 Lcustomer: y @* K7 _& e
customer-no
) Y% C% v% }. W8 s" O) Ltrust-ok4 S4 E, _; `7 M2 d9 }7 `! x
trade-record-one-len;;trade-record-one的长度' W. J8 j! Z6 I) ]3 z, j3 x7 N
]
/ T. M# L% e7 P) F
* y0 G9 R" E) N. v;;setup procedure/ z4 R- P4 u6 ?. X( V9 Y
4 ?3 l( j0 G3 Q3 T3 B
to setup
" v3 z7 k2 R$ k7 l" ~
/ L( {3 z: i) ~) g' tca
) E+ I% L7 n1 ^4 c; A9 k% L, ^; K, w* D1 C5 A# l& f/ l
initialize-settings
5 E ?* b; F8 O& O/ C! Y
2 D) e9 S1 @$ s. j5 acrt people [setup-turtles]
& M% B# w% E: V" [% H+ H/ j+ i8 h
% I1 F, i) m# B5 q1 [reset-timer
2 _' j- c; s7 J, t3 M$ r" }3 k" X) p9 m: ^' n. W, f0 V
poll-class7 y! u3 Q6 _7 v: s
( L! [1 J9 l2 t& w& n5 d) @
setup-plots( m+ m( w, m D1 M6 t
6 D5 s+ W& A2 ?! T* N; edo-plots
' U) I- I/ W- ?) h( ~" R- ~9 Fend, t! l G" A( c& @) f1 x' g# R) u
: @" T- X' Z) ?" o9 nto initialize-settings o+ q6 I: E3 d" K5 E" T
; [5 C9 K" V) V4 f* U2 k$ T
set global-reputation-list []# M1 b' U, f! _) C- [; D6 I, T
# k* N" V4 m# B( u. I& rset credibility-list n-values people [0.5]% H' w+ a, c6 |0 a: t) j9 ?
; F$ I2 l6 E0 J1 p; W: r
set honest-service 0
8 n0 O" b7 Q+ ]. `
5 B( F" l& O. J; Hset unhonest-service 0
6 K. y! O/ ~* T( r% C9 B0 o( M. P) E: r# q7 V4 X
set oscillation 0" V4 D& }9 m+ f" d
; o! P: g$ u" i; x. C( u0 Z$ S& |
set rand-dynamic 0. A8 O# t3 A& r- e2 A! A
end0 E& |( p, `- C5 }% ^- M/ w! c0 s
) l& U) T9 k0 p6 r. [# _to setup-turtles
8 A, g8 h8 I+ ]4 f- }% vset shape "person"
~, U- p* }' f" N- L3 B* Hsetxy random-xcor random-ycor
; n; E) c: C$ T& O" F6 _set trade-record-one []
4 S: b* l; D' M. ]5 u2 ?+ l
, X' d' ?$ g# C8 wset trade-record-all n-values people [(list (? + 1) 0 0)] ; @# m: ] \- A R1 o+ S
3 W; G, g8 a; X p% f( s7 j! _7 r: U
set trade-record-current []* g; a9 W8 V2 t' t
set credibility-receive []9 z2 r% S$ Q5 d
set local-reputation 0.5- W; x& \& J+ } i' @: X: W; O1 Q1 e
set neighbor-total 03 f( F0 Q- ^. c: t1 ?
set trade-times-total 0; U s. L/ e6 G7 T1 u
set trade-money-total 0" j: n; x" \# B- Q
set customer nobody" X- W& ]/ |0 I: N
set credibility-all n-values people [creat-credibility]
2 M: B. ?' i* n5 Z0 z5 G7 aset credibility n-values people [-1]
! Q6 J$ ^# X+ N7 a2 zget-color$ I: N* q7 N/ Z5 S. |
( D0 |7 E# \* ]5 t5 k& Iend# I/ w5 O+ J) K+ a. @* E9 o
! t& v& v) W; M3 Y$ Dto-report creat-credibility D: X K* |. m( ?
report n-values people [0.5]& y B; k8 F' K; o1 F% L2 M. Q* y
end7 e$ ~6 M5 T# p1 t
! R- Y2 f. R: H, z _4 {/ d2 c- p2 bto setup-plots
1 p, Q- d6 N3 ?: X- ~1 X! G
- a8 X3 C8 f# z- ]7 _' N/ W* h; Eset xmax 30' z w$ C5 d3 a% {9 r
" u% |+ J( P; n- P6 @8 T* S; W% d
set ymax 1.0, s) |; P! v0 ]1 [ p2 A
, g1 S! I! J; J
clear-all-plots* x2 u5 `/ x& U! g. D# A" _
+ Q# Y) k+ O3 H2 Y' g9 Q
setup-plot1
" W4 h2 H3 \/ X, g+ Z, ]
0 W8 S# l( d# J1 Tsetup-plot29 h$ E# z; r' Z- I
4 N* g/ [2 O7 l6 \, N8 |
setup-plot3
- w% Q5 {; Q8 R- d; M6 |" send
% v" \$ Q7 m* s6 x7 P2 y( T/ s3 H% [ {5 r; Z
;;run time procedures' X1 a; g! T' `6 Q4 ^- x) o. H& Z
, T/ C9 A2 ?. i# }2 Z; xto go2 f5 M4 o" n9 G n4 ?% Q' _9 p
, @( b8 I% ], z' c% E" V
ask turtles [do-business]8 R8 R- D1 ~+ S
end
; s j m. y, {
6 B* C, Y6 S' @/ Uto do-business # l$ R Z# Z6 ] F* z3 ~
# E# ~7 e% Z% l9 m- X& w. {) N$ C3 h0 s; J6 ]' K- W
rt random 3605 W2 c$ N' u8 U' E. M; f; O
$ ]2 Q) Y. V9 j6 O, z( l
fd 1, e0 R- s) A# w5 V' l- |
" y3 M1 Q8 u0 }1 F
ifelse(other turtles-here != nobody)[
1 L) J! s% j2 i# U! E; [" J4 A) ^' \; N& W
set customer one-of other turtles-here7 ]+ V7 ]1 l0 O. T! X: p
8 D+ z% D8 ~7 L! h8 V8 y" T5 h
;; set [customer] of customer myself
) A) s: @' e* l3 V+ `. x
) J! }& a" K, Y6 v7 K6 Oset [trade-record-one] of self item (([who] of customer) - 1)
) x( [& }% n$ P[trade-record-all]of self
+ s3 G' M" @/ X" G# D;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self8 n9 q X6 n6 _- n* K3 |4 r
/ J* D+ U$ F+ M0 |2 p% aset [trade-record-one] of customer item (([who] of self) - 1)
7 Q# `: ^/ _# f- T4 Z[trade-record-all]of customer. A9 F0 h6 q4 q# ~
, M( \ ?& r X& g+ Z- V
set [trade-record-one-len] of self length [trade-record-one] of self
+ i8 |0 X" C9 H' Q6 a% h! |6 d4 @2 @9 l% q) ~
set trade-record-current( list (timer) (random money-upper-limit))
$ y7 ^' E. h9 s" q' K* D }( g
; t$ V2 i2 o: w2 G, t( T5 t0 h# qask self [do-trust]
! B9 F) E" }1 m: e. [% L;;先求i对j的信任度
- G7 k& n. _5 c) o4 B5 S' A, m9 z$ T" `, w( @9 _- s
if ([trust-ok] of self), `. |# n2 K7 S5 l; [+ f& u
;;根据i对j的信任度来决定是否与j进行交易[
' S5 D5 X4 z( z( d9 G$ ~' pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; D. N4 R9 _: P" U9 L& Q/ U( }5 g1 M+ k6 Z9 A3 o. {4 h
[
; \6 f) Q- R/ r& {- y
3 m; z/ B' [2 ^. b( tdo-trade- K; A, A0 v" F3 a/ D8 D
! y- O$ [# G) X9 Yupdate-credibility-ijl( _' l. v2 L Z4 f
8 l. x- x+ {- x/ Kupdate-credibility-list& ~1 K' U% B( b4 F W; u
; C9 G$ J( [, i( p. e- [8 s
! _$ P1 p$ F' F4 T( K! Fupdate-global-reputation-list0 B- M$ [- t% H( h" L0 _8 n$ B' c
/ a1 K' C* ]2 w: Cpoll-class
+ x2 w$ y& Q" R, \0 |, X* U
9 w) W# G0 W$ F# e5 j! T h/ e2 sget-color
3 x9 \1 ~: k, ~3 }
, t: \" S" [8 ?5 c- Z4 R; J- D]]
! K* m" e. W9 ~. G, D' Z' h
7 M* I6 v/ r0 w( i; z; D+ [;;如果所得的信任度满足条件,则进行交易
. u6 \+ }+ p8 C2 }7 r( M9 L- z7 {. ?" b4 S. s
[
" t" Q1 ^8 ^7 D" K: j# f) J& q" O8 J5 \# a6 e
rt random 360
& }6 o8 o- c h! B. L
, F4 \5 V' ^' D0 o l! [4 X) ]6 ]fd 1
4 @# @9 {) H3 Z; A
2 S& N& R' y/ L1 z3 A( p. p7 F]0 }9 `3 h( |9 L" V) o
0 k# e$ s2 c3 l0 B8 w
end8 x; {* o0 ~ n# S- }* f4 o1 y" R
9 m, }( o/ }5 s* {. m& W0 O5 G, [to do-trust * X7 z) A' p4 i+ B: k5 e: _
set trust-ok False: }/ ?4 w1 _8 w$ e& i5 N
5 I& j, o4 ]7 m% M& j. e; j$ W
( {* v. e. a ~" {% @8 dlet max-trade-times 0; q. r/ f# U t1 X( P. Q
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]. @, w H/ Q) s. s( R: K* c0 A$ t% r
let max-trade-money 0. x! O% z7 j0 c$ q+ S
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 [0 N$ U7 v J4 Q5 v. Ulet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
! P y2 ^) m& J# A/ S% X0 K e* y
+ ~2 g1 T _ f5 r+ t. w" r* W2 `# u, }+ X( ]/ T9 p
get-global-proportion8 V/ P. j- m. ^; ?0 _8 B
let trust-value, x6 n, z$ X) F4 K. j
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)8 H- `9 b" F- W. b, b
if(trust-value > trade-trust-value)
; U) a( s" Y) s8 j+ T3 H2 ~[set trust-ok true]
; j5 u1 V' B! U4 Q' `end& ]' }1 b, Q! r3 v" F! [- {5 v
" }7 `) m4 d3 W6 m3 m0 S: ]
to get-global-proportion' G- `, K: X# ^, Q/ ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" b! X3 }* i T
[set global-proportion 0]" i/ S; C3 o9 e( v
[let i 0( s7 X, P& S" O! o
let sum-money 0
% W6 b2 m* B/ m `' f) `while[ i < people]( X) R0 s; c: M, D
[* ^; H( m0 L: }+ C3 v9 w" _' W
if( length (item i/ N9 ~2 ]$ a( `! S7 X- ^# S$ F
[trade-record-all] of customer) > 3 )7 P. O% V7 b0 X+ `
[
1 ~# B8 c1 }- [% N9 Wset sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ w$ }% }7 c, ^( O, w+ p
]1 m2 D- }( T6 N& x7 v$ F% g
]9 P" l- \8 C8 [ r
let j 0
! l& \: M8 N) _+ N1 r6 d* Plet note 0
$ j4 m o2 }. p% Nwhile[ j < people]+ a, x1 z4 H5 G6 ?
[
5 E$ H4 O& X8 P4 R0 n6 sif( length (item i
0 f/ S* R6 x6 |5 P) U9 W* B, E[trade-record-all] of customer) > 3 ) f: _: x, Z" r! ?9 h: T! _& ~* b& m
[
{4 Q1 \" p# u; A. J! ~+ C) T# R$ Rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). K% Q3 z( o$ Y% \* ^) z
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
3 h1 Q4 A, ^; b9 R( d1 `! h5 E[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 i5 t) {1 b. |) y; {$ J
]
k3 F" c W. d3 w7 }( c]
9 ~0 r8 T; v/ ]& }* r* U1 ~% `% nset global-proportion note
) ]( o% Q# X- z( @1 G( H9 x0 y] S8 A+ {1 W6 |2 t8 K' W2 }
end" D0 ]) `# y+ f* s# z/ m4 q3 _
. y8 S) K5 Z; d% e1 S
to do-trade9 `+ L: N- O+ t) W7 Q9 h4 G
;;这个过程实际上是给双方作出评价的过程
; i! [1 ~% G" Y" h- U8 G! @& h oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ u) L* C$ k: F" @' s+ hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 M" C# q" V3 [set trade-record-current lput(timer) trade-record-current
5 I! Z( N, U x' l;;评价时间
5 _! v5 O+ G9 O# e' Wask myself [5 C8 ^/ I: K5 t" {
update-local-reputation: W9 V( s- u) H; }* B
set trade-record-current lput([local-reputation] of myself) trade-record-current6 Y" `, R% h, Q" d+ \
]
& a" i' _# U r F( jset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' ~' ~; a' U! k; v;;将此次交易的记录加入到trade-record-one中
( w$ X! i% V4 @2 v+ x# Dset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 k+ t$ m# \+ a2 ]+ r
let note (item 2 trade-record-current )
1 L, y1 H s5 |' }2 B' Vset trade-record-current6 t( S- y; r- H& [9 b! b2 {! h; ]
(replace-item 2 trade-record-current (item 3 trade-record-current))/ \# F5 H# n/ F; b
set trade-record-current
+ P% \, R& h8 J& a4 c2 v(replace-item 3 trade-record-current note)
0 I4 x$ w3 v# o! V7 b' C% Z, L, p4 j. x' ]
+ M. i- k' j. i- |
ask customer [0 ]* S/ W3 f# W* j
update-local-reputation
5 t# }- m2 P4 ^- J5 Q! J$ `set trade-record-current+ H7 y- w' c# {9 ~9 x) P0 a
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ z+ b- ]7 k; |; B/ C z
]% k* c9 g, Q- h9 f8 _$ N+ R0 H* ?
" W- j* B# L6 v0 n
/ l" [2 Z) r' X$ ]4 M ^% ^$ L& I- Z% Eset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ k; y- R9 e# t9 n0 g
8 j/ F5 n5 G4 @. j$ D$ }set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
- d8 B/ W: i8 w6 h4 C;;将此次交易的记录加入到customer的trade-record-all中1 I6 A A3 m: f. Z
end
' E0 e* E( V+ `- Q, i ]2 O3 {% Q* ~
/ s8 \' I) ]5 i8 m d6 T! z! Yto update-local-reputation" x$ s+ r8 m, v- }& g5 |
set [trade-record-one-len] of myself length [trade-record-one] of myself% G. v8 T6 z& H1 n3 G, h0 f
; ]" D( r9 z7 _: P
& f& _4 |; `, T0 k3 @ d5 u+ {
;;if [trade-record-one-len] of myself > 3
% A% f8 \; z$ O8 i& yupdate-neighbor-total
& a( k3 |8 g. o) S; o' Y& D3 W;;更新邻居节点的数目,在此进行
6 j2 D! j& W( m6 U$ S8 blet i 3" Q0 W' P8 r+ V0 ~; R7 _
let sum-time 0
2 X0 U/ `- S* q2 G7 s) }while[i < [trade-record-one-len] of myself]
# a. C' j' Z. V# M. m5 k2 C[# w* L6 h+ @1 N* A
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# b) c" w+ u6 h8 Oset i
% a, }* r* j+ {" }' L% f; r( i + 1)) [8 A5 w; Y2 h
]& l! E* e, i2 J+ E# w# C
let j 3
( F, y5 V; q# F( g, a# p4 Qlet sum-money 0! T9 ~$ L) K9 z. r
while[j < [trade-record-one-len] of myself]
9 b4 k- z% ]9 g9 t" o' p. A1 C3 _[3 w! x5 m, ?, @% S n( U- x R
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- x3 z. G( A/ ]8 m/ i! P# @
set j
6 m; n( S, ]2 i, {8 w" H( j + 1)- U: u# G+ q5 a# Z" y
]
( w; ]1 A5 d0 M$ ] L: Zlet k 3* A' N$ ^# D% l! y
let power 0
! |! _ w2 n: i* c$ g9 ylet local 0
7 r3 W; }6 j, D3 w) Z, D3 Fwhile [k <[trade-record-one-len] of myself]3 |* C6 E4 P/ o1 i/ b, I
[
; b4 S$ s3 h# `/ t n7 c+ a2 Iset 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) 2 a; ?1 I( ?9 f4 g+ K" O
set k (k + 1)5 ]" n5 U0 I4 B. l$ E" c
]
: o/ f9 m$ H2 m0 Y3 D- [( Pset [local-reputation] of myself (local)
4 m7 g9 }" _% D3 ?% s5 ?5 \end
4 S3 e7 t. t1 E1 [, ^
8 R/ T) |$ m+ A$ s9 p$ t, @to update-neighbor-total# a- Y+ `7 g1 J) ^/ Y9 \
: c" a5 h3 K! o: ^0 _% Vif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% X! Z4 e. `; V# b
0 o7 Q3 ]8 @9 D: P# a# ?6 ^- D
% s# K- ^& f* t. ~* o$ ~/ Pend
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% K9 R H J$ j- ]9 A tto update-credibility-ijl
. \% R" d$ h7 D+ X7 K0 O
4 g7 ~# W3 u; I+ @;;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。
. f8 c: t; F2 Plet l 0
8 d2 O! ?# ^$ V" s# z$ Z" S! Z, u3 dwhile[ l < people ]* r+ q3 Y3 |* w- F
;;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4 |8 m2 P6 M: K- c2 v) O* Y- W& i$ ^
[: J; i7 M. g% I0 T
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)% Y( w7 M8 A R4 E; F E! l
if (trade-record-one-j-l-len > 3)
8 X( i! a# m; U2 i& ^[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; K/ v! C; y6 U8 w" f7 v& m
let i 3! J. G/ ^; y* k4 [* n% p7 v7 W7 l
let sum-time 02 k( E: J+ K, E+ b& o: q
while[i < trade-record-one-len]/ u/ ], E8 s6 I
[/ |, v3 I* t( d" j/ S# K+ \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- ?- `. m6 g k) J" M7 X4 U
set i
" G: K- E- @2 t5 b# K( i + 1)8 X, i; k8 [$ f2 _, _ p) g
]6 o4 ~2 q9 ~/ X3 |+ p- f
let credibility-i-j-l 0
" d: q# i$ c' J;;i评价(j对jl的评价)
* D6 t" K1 V% V( Elet j 3
7 l# T/ j3 d/ M. _; M" x7 \) ulet k 4
- ?6 N4 D& \8 j; P3 t$ ^2 ^& r( Mwhile[j < trade-record-one-len]
- F. d# v S `' K[
* V6 x: r7 x. ?$ e! H1 Qwhile [((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
# I; }* t1 P! m2 Jset 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)
0 ^4 `" C0 f3 }2 l# Y L4 f' P9 Nset j
7 u) a5 B$ S/ s- C+ M8 Y9 _9 h( j + 1)
0 Q N" @0 l. ?) |; R- u! E], Z4 m3 g9 z* z+ M
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 ))
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8 ]8 |1 L7 t* R: ^' P+ v$ {# k) [$ B' N2 l
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 a. L* e4 w- d. A' |% M; Y;;及时更新i对l的评价质量的评价+ A( C s2 `1 l# G/ k Z8 g# D) A0 u
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 |5 E7 n* J4 a% J( Pset l (l + 1)
6 R7 I M5 G. X9 \/ []
: d1 u: _/ C, C# b' iend
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to update-credibility-list/ r/ l P$ u( C1 k7 ~; |0 [
let i 01 \' P7 v/ G# r% W+ o
while[i < people] {: n2 D0 p3 \; m
[
( s' L0 D: V5 ~let j 0
& b8 ?2 T& x: d# D8 s- }, Ylet note 0, w# [7 \ D& r0 q1 i2 F
let k 0
" D5 l5 J3 M0 I;;计作出过评价的邻居节点的数目. e5 D! S5 b' u1 I% F" F- w
while[j < people]: F- }% Z+ g9 P, G
[9 V N" n5 U) A$ q6 c8 g3 ]5 R! G, ]
if (item j( [credibility] of turtle (i + 1)) != -1)
; ^, u: B( d. r$ L/ ?;;判断是否给本turtle的评价质量做出过评价的节点( X6 z. T* |% d$ a7 m
[set note (note + item j ([credibility]of turtle (i + 1)))
/ \. o1 W- d" L7 S! r' V8 y;;*(exp (-(people - 2)))/(people - 2))], e7 r) a4 r+ \! w' I0 l; w
set k (k + 1)2 Y7 g9 _; Q) Y1 \* ]
]- s2 W- t. b( {- [9 ?" |2 c0 t4 j% [
set j (j + 1)+ E4 d9 _4 [5 Q# ]/ F( V& [/ g- P
]
. k9 \0 L1 E4 K( cset note (note *(exp (- (1 / k)))/ k)4 F) r0 h. E' \6 z
set credibility-list (replace-item i credibility-list note)
/ l# C7 b O' c: `$ P- m9 Vset i (i + 1)
* u. q. y3 s' [# s6 u]
: H* X+ }; y" L/ c9 }- xend; t0 Q* j6 j! O2 s* _" {7 e
- t$ h4 c$ }; T# z# ^0 @6 ]
to update-global-reputation-list' X1 a8 [7 T' W9 c/ l; N
let j 0
' Q. N2 w) @2 ^& u# t' l% Gwhile[j < people]
; l3 s8 ], [9 u! J% f[# l6 C( R1 C- [: g$ G6 d
let new 0
/ O% H: l; y( x! w" d4 `;;暂存新的一个全局声誉0 ~& R$ e. w- p
let i 08 @) J* a- r9 E
let sum-money 0
6 J( X j+ _7 Plet credibility-money 0( G' |9 j6 W: R& l+ F: o
while [i < people]
. Z0 I6 o* w& C, w$ q+ \6 a[
% W3 {7 g+ k# f. a, y! cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))) a+ N( j0 n7 n& m
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 y5 [& j# S0 b% q
set i (i + 1)
5 Q1 e& u% f4 G]
0 \% Z% Q2 e' olet k 0 s5 B! r9 E1 Y) j+ M$ y0 w6 Z
let new1 0
% }' Y+ c/ }. L, D: o: j5 awhile [k < people]2 l$ Y' h' w1 h7 y/ b
[
/ G) z J- W% v2 ~1 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 \% W8 v; D8 x- L% Fset k (k + 1)
+ P" T& U9 h1 m5 J0 C1 f]7 Q5 O3 |4 \- R5 F* w+ r2 D. k
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: z3 w( w3 u8 G! V+ L3 bset global-reputation-list (replace-item j global-reputation-list new)
! S/ g7 `4 n" {7 T( Iset j (j + 1)
( A: E, B+ o Z) e1 Q]0 F7 l& _2 [+ S0 _8 F9 [0 P3 q
end
8 y9 ^- q2 w) Z. @2 z& w% j9 _2 B% U. q6 H# A' U6 D, {
, q, \% a5 [0 z4 T: ?$ f; P f7 Z4 p0 Y& n7 k
to get-color
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set color blue. |% [4 A+ i1 X5 k
end
6 N$ ? L9 C z+ ]. c
$ r2 o2 j- K, E1 Y+ Eto poll-class9 B5 [& Z" _( B
end7 X6 t# w# k2 Z" `
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to setup-plot1- V) M6 P1 V4 B, }9 K4 l
" @* w- N5 `# ~$ z8 ^4 _, j" E/ Wset-current-plot "Trends-of-Local-reputation"
# _! V: ^) K% t( R8 r4 ]0 h1 t- i) M; G' ~
set-plot-x-range 0 xmax
9 Y2 h+ `. E/ ~ {, q, E9 q( E& O% p% m; u6 D4 U+ ~
set-plot-y-range 0.0 ymax, v) X1 s" U' Q( T- z& E
end, x- d* w) `' o! S# J
* V; ]6 N; n+ I3 P: q' ]to setup-plot2; u1 g' M/ ^! _- s% g1 ?
# ~/ Z5 y; z* a" F. v
set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax" o/ e( A8 E6 Z/ b- L
- F7 z$ q( Y! [
set-plot-y-range 0.0 ymax! {& d$ T6 Y N- S6 ~! z/ A! ~& \9 ^
end4 o9 U1 ^) z' ]- U: F _2 S: h
% [! y+ }; n9 Y% h3 |: K
to setup-plot3
3 B/ v4 A- d* P* ~ B3 |# G; Y" {. y+ I* c
set-current-plot "Trends-of-credibility"+ H3 h; Q: ^& F$ r% H6 h* K
+ W1 _# Q; O1 t. l, P
set-plot-x-range 0 xmax
$ Z5 K8 k! t' V* c1 G" b( ?% W3 C! F" \0 c2 A& P0 |# L7 k
set-plot-y-range 0.0 ymax
! D) v- p) i6 ?. Y- }$ Pend0 r* F/ B" _; }% L! m+ p0 w4 N3 F2 T
r; P/ D* ~$ V- w m3 Z" k: y. u1 U3 `
to do-plots' V0 O+ u1 y2 D1 N! h7 H
set-current-plot "Trends-of-Local-reputation"! H, r0 ]# J# V$ i5 m7 M* L
set-current-plot-pen "Honest service"& a, O! {: m6 a3 ?
end3 |* L+ c7 v: r. Y% @' r# t
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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